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| ?all specifications are subject to change without notice. mtw 15 - 5 12 12 features worldwide-applicable input, triple-output type compact, slim and lightweight contributing to energy-saving and environmental protection approved by safety standards (ul, c-ul, t v), complying with electrical appliance and material safety law, ce marking applicable emi: complying with fcc class b, vcci-b, en55011-b, -b immunity : complying with en61000-4-2,-3,-4,-5, -6,-8,-11 peak load accommodatable mtw series product line up multiple outputs/for general use 15-60w applications : & " 3 4 x b s s b o u z 3 model naming logic variation -v: with output voltage trim-mer nominal output voltage(output 3) 12: 12v 15: 15v nominal output voltage(output 2) 12: 12v 15: 15v nominal output voltage(output 1) 5: 5v rated capacity 15: 15w 30: 30w 60: 60w series name output voltage 15w 30w 60w output current (peak current)/model output current (peak current)/model output current (peak current)/model +5v 2.0a3.0a mtw15-51212 3.0a4.5a mtw30-51212 5.0a7.0a mtw60-51212 +12v 0.3a0.6a 1.2a2.0a 2.5a3.5a -12v 0.2a0.3a 0.3a0.45a 0.5a0.7a this means that, in conformity with eu directive 2002/95/ ec, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, pbb and pbde, have not been used, except for exempted applications. conformity to rohs directive output voltage 15w 30w 60w output current (peak current)/model output current (peak current)/model output current (peak current)/model +5v 2.0a3.0a mtw15-51515 3.0a4.5a mtw30-51515 5.0a7.0a mtw60-51515 +15v 0.3a0.6a 0.8a2.0a 2.0a3.5a -15v 0.2a0.3a 0.3a0.45a 0.5a0.7a variation symbol function none fixed output voltage type -v output voltage adjustable type output voltage adjustable type: indicated by "-v" added at the end of model 6 - $ 4 " $ / p - p x 7 p m u b h f % j s f d u j w f & / & / & m f d u s j d b m " q q m j b o d f b o e . b u f s j b m 4 b g f u z - b x * o q v u 7 p m u b h f 7 " $ % & / " / # v j m u u p n f f u 00-0/20080522/etl_mtw ?all specifications are subject to change without notice. 2 mtw15w items/units mtw15-51212 mtw15-51515 1 2 3 1 2 3 i n p u t v o l t a g e r a n g e ( n o m i n a l : 1 0 0 - 2 4 0 v a c ) v a c 8 5 - 2 6 5 f r e q u e n c y ( n o m i n a l : 5 0 - 6 0 s i n g l e p h a s e ) h z 4 7 - 4 4 0 p o w e r f a c t o r ( 1 0 0 / 2 4 0 v a c ) ( t y p ) 0 . 5 5 / 0 . 4 5 e f f i c i e n c y ( 1 0 0 / 2 4 0 v a c ) ( t y p ) 7 1 / 7 0 6 8 / 7 0 c u r r e n t ( 1 0 0 / 2 4 0 v a c ) ( t y p ) a 0 . 4 2 / 0 . 2 5 i n r u s h c u r r e n t ( 1 0 0 / 2 4 0 v a c ) ( t y p ) ( * 1 ) a 2 5 / 5 0 l e a k a g e c u r r e n t ( m a x ) m a 0 . 7 5 ( 1 0 0 v a c ( e l e c t r i c a l a p p l i a n c e a n d m a t e r i a l s a f e t y l a w ) / 2 4 0 v a c ( u l , i e c ) ) o u t p u t n o m i n a l v o l t a g e ( * 2 ) v d c + 5 [ v 1 ] + 1 2 [ v 2 ] - 1 2 [ v 3 ] + 5 [ v 1 ] + 1 5 [ v 2 ] - 1 5 [ v 3 ] m a x i m u m c u r r e n t ( * 3 ) a 2 0 . 3 0 . 2 2 0 . 3 0 . 2 m a x i m u m p e a k c u r r e n t ( * 4 ) a 3 0 . 6 0 . 3 3 0 . 6 0 . 3 m a x i m u m p o w e r ( p 0 [ v 1 ] + p 0 [ v 2 ] + p 0 [ v 3 ] ) w 1 6 1 7 . 5 v o l t a g e s e t t i n g a c c u r a c y ( 1 0 0 / 2 4 0 v a c , 1 0 0 % l o a d ) + 5 ? 0 . 2 5 + 1 2 ? 0 . 6 - 1 2 ? 0 . 6 + 5 ? 0 . 2 5 + 1 5 ? 0 . 6 - 1 5 ? 0 . 6 m a x i m u m l i n e r e g u l a t i o n ( w i t h i n i n p u t v o l t a g e r a n g e ) ( m a x ) 0 . 4 % m a x i m u m l o a d r e g u l a t i o n ( 1 0 - 1 0 0 % l o a d ) ( m a x ) 2 . 0 % 1 . 0 % 2 . 0 % 1 . 0 % t e m p e r a t u r e c o e f f i c i e n t ( a m b i e n t t e m p e r a t u r e - 1 0 c t o + 5 0 c ) ( m a x ) 1 . 0 w a r m u p d r i f t ( m a x ) ( * 5 ) 2 . 0 1 . 0 2 . 0 1 . 0 2 . 0 m a x p o w e r t o t a l r e g u l a t i o n ( m a x ) ( * 2 ) ? 2 . 0 m a x i m u m r i p p l e v o l t a g e ( m a x ) ( * 6 ) m v p - p 1 0 0 1 2 0 1 0 0 1 2 0 m a x i m u m r i p p l e & n o i s e ( m a x ) ( * 6 ) m v p - p 1 2 0 1 5 0 1 2 0 1 5 0 s t a r t u p t i m e ( 1 0 0 v a c ) ( m a x ) m s 1 0 0 h o l d - u p t i m e ( 1 0 0 / 2 4 0 v a c ) ( t y p ) m s 2 0 / 1 5 0 v o l t a g e a d j u s t a b l e r a n g e ( * 7 ) v d c f i x e d / v a r i a b l e ( c h 1 ) f u n c t i o n o v e r c u r r e n t p r o t e c t i o n ( m i n ) ( * 8 ) a 3 . 1 5 0 . 6 3 0 . 3 2 3 . 1 5 0 . 6 3 0 . 3 2 o v e r v o l t a g e p r o t e c t i o n ( m i n ) ( * 9 ) v d c 5 . 7 n o t a v a i l a b l e 5 . 7 n o t a v a i l a b l e o v e r t e m p e r a t u r e p r o t e c t i o n n o t a v a i l a b l e r e m o t e s e n s i n g n o t a v a i l a b l e r e m o t e o n / o f f c o n t r o l n o t a v a i l a b l e p a r a l l e l o p e r a t i o n n o t a v a i l a b l e s e r i e s o p e r a t i o n n o t a v a i l a b l e o p e r a t i o n i n d i c a t o r n o t a v a i l a b l e m o n i t o r i n g s i g n a l n o t a v a i l a b l e e n v i r o n m e n t o p e r a t i n g t e m p e r a t u r e - 1 0 t o + 6 0 s t o r a g e t e m p e r a t u r e - 3 0 t o + 7 5 o p e r a t i n g h u m i d i t y r h 1 0 - 9 0 ( t h e c o n d i t i o n s o f m a x i m u m 3 5 c i n w e t b u l b t e m p e r a t u r e a n d n o n - c o n d e n s a t i o n s h o u l d b e e n s u r e d . ) s t o r a g e h u m i d i t y r h 1 0 - 9 0 ( t h e c o n d i t i o n s o f m a x i m u m 3 5 c i n w e t b u l b t e m p e r a t u r e a n d n o n - c o n d e n s a t i o n s h o u l d b e e n s u r e d . ) v i b r a t i o n 5 - 1 0 h z , 1 0 m i n u t e s s w e e p , 1 0 m m p - p t o t a l a m p l i t u d e , 3 d i r e c t i o n s , 1 h f o r e a c h , i n n o n - o p e r a t i o n 1 0 - 2 0 0 h z , 1 0 m i n u t e s s w e e p , 1 9 . 6 m / s 2 ( 2 g ) a c c e l e r a t i o n , 3 d i r e c t i o n s , 1 h f o r e a c h , i n n o n - o p e r a t i o n s h o c k 5 8 8 m / s 2 ( 6 0 g ) , 1 1 ? 5 m s , 3 d i r e c t i o n s , 3 t i m e s f o r e a c h , i n n o n - o p e r a t i o n i s o l a t i o n w i t h s t a n d v o l t a g e f o r 1 m i n u t e a t o r d i n a r y t e m p e r a t u r e a n d h u m i d i t y b e t w e e n i n p u t t e r m i n a l a n d g r o u n d t e r m i n a l : 2 . 0 k v a c , 1 0 m a c u t o u t c u r r e n t b e t w e e n i n p u t t e r m i n a l a n d o u t p u t t e r m i n a l : 3 . 0 k v a c , 1 0 m a c u t o u t c u r r e n t b e t w e e n o u t p u t t e r m i n a l a n d g r o u n d ( g ) : 5 0 0 v a c , 2 0 m a c u t o u t c u r r e n t i s o l a t i o n r e s i s t a n c e i n 5 0 0 v d c a n d 1 0 0 m ? o r o v e r a t o r d i n a r y t e m p e r a t u r e a n d h u m i d i t y b e t w e e n i n p u t t e r m i n a l a n d g r o u n d t e r m i n a l , b e t w e e n i n p u t t e r m i n a l a n d o u t p u t t e r m i n a l , a n d b e t w e e n o u t p u t t e r m i n a l a n d g r o u n d t e r m i n a l s t a n d a r d s s a f e t y s t a n d a r d s a p p r o v e d b y u l 6 0 9 5 0 - 1 , c s a c 2 2 . 2 n o . 6 0 9 5 0 - 1 ( c - u l ) , e n 6 0 9 5 0 - 1 ( t v ) , c o m p l y i n g w i t h e l e c t r i c a l a p p l i a n c e a n d m a t e r i a l s a f e t y l a w ( m e e t i n g t h e r e g u l a t i o n s o f c r e e p a g e s u r f a c e a n d s p a c i a l d i s t a n c e i n i t e m 8 o f t h e a p p e n d i x t a b l e ) e m i c o m p l y i n g w i t h f c c - c l a s s b / v c c i - c l a s s b / e n 5 5 0 1 1 - b / e n 5 5 0 2 2 - b i m m u n i t y c o m p l y i n g w i t h e n 6 1 0 0 0 - 4 - 2 l e v e l 4 , - 3 l e v e l 3 , - 4 l e v e l 3 , - 5 l e v e l 4 , - 6 l e v e l 3 , - 8 l e v e l 4 , - 1 1 m e c h a n i c a l w e i g h t ( m a x ) g 1 5 0 s i z e ( w x h x d ) m m 2 6 x 5 0 x 1 2 7 w i t h n o m i n a l i n p u t / o u t p u t v o l t a g e , m a x i m u m o u t p u t c u r r e n t , a n d t a = 2 5 c , i f n o t s p e c i f i e d s e p a r a t e l y . ( * 1 ) i n p r i m a r y s u r g e c u r r e n t , 2 5 c , a n d c o l d s t a r t i n g . ( * 2 ) o v e r s h o o t i n s t a r t i n g i n p u t i s 4 % t y p . f l o a t i n g s y s t e m i s u s e d f o r v 1 - v 2 a n d v 1 - v 3 . ( * 3 ) t h e m a x i m u m o u t p u t c u r r e n t v a l u e i s b e t w e e n - 1 0 c a n d + 5 0 c . f o r u s e i n o u t s i d e t h i s t e m p e r a t u r e r a n g e , d e r a t i n g i s n e e d e d . ( * 4 ) f l o w i n g t i m e s h o u l d b e w i t h i n 1 0 s e c o n d s a n d t h e e f f e c t i v e c u r r e n t / p o w e r s h o u l d b e t h e s a m e a s o r l e s s t h a n t h e m a x i m u m c u r r e n t / p o w e r . ( * 5 ) 3 0 m i n t o 8 h a f t e r t h e s t a r t o f i n p u t v o l t a g e a p p l i c a t i o n . ( * 6 ) i n 1 0 0 m h z , - 1 0 c - 0 c . r i p p l e : v 1 - 1 4 0 m v p - p m a x , v 2 , v 3 - 1 6 0 m v p - p m a x . r i p p l e n o i s e : v 1 - 1 6 0 m v p - p m a x , v 2 / v 3 - 1 8 0 m v p - p m a x . ( * 7 ) f o r o u t p u t v o l t a g e a d j u s t a b l e t y p e s ( v a r i a t i o n ) , o u t p u t v o l t a g e c a n b e v a r i e d i n t h e r a n g e o f + 5 v t h r o u g h + 5 . 2 5 v f o r c h 1 ( + 5 v ) o n l y , b y t h e o u t p u t v o l t a g e t r i m m e r . ( * 8 ) w h e n t h e o t h e r c h a n n e l s a r e i n 0 a . f o l d - b a c k t y p e d r o o p i n g s y s t e m a n d a u t o m a t i c a l l y r e s u m e s w h e n t h e c a u s e s a r e r e m o v e d . ( * 9 ) f o r v 1 o n l y : z e n e r c l a m p s y s t e m mtw15w specifications mtw 15w recommended emc filter rsel-2001w model ch please refer to "tdk-lambda emc filters" catalog. ?all specifications are subject to change without notice. 6 1 6 1 . " 9 . " 9 . " 9 . " 9 ? ? # # # . " 9 . " 9 . " 9 . " 9 $ / * o q v u d p o o f d u p s t t / b n f q m b u f / b n f q m b u f " $ / 0 v u q v u w p m u b h f u s j n n f s p q u j p o " s f b g p s n p v o u j o h d p n q p o f o u t 0 v u q v u d p o o f d u p s . p v o u j o h i p m f . " 9 ( s p v o e q b u u f s o 4 q b d f s b s f b 4 p m e f s t j e f m p d b u j p o q p j o u " s f b g p s n p v o u j o h t d s f x 4 j e f x j u i d p n q p o f o u t m p d b u j p o q p j o u 4 q b d f s b s f b 4 p m e f s t j e f m p d b u j p o q p j o u t " s f b g p s n p v o u j o h t d s f x 4 j e f x j u i d p n q p o f o u t m p d b u j p o q p j o u t " # mtw15w ?? ? $ 4 q f d j p d b u j p o t p g u f s n j o b m t 127 1200.5 3.5 ( 3. 5 ) 7max. ( 17.6 ) 430. 5 3.5 ( 3.5 ) 50 4-?3.5 7max. ( 4 ) ( 4. 5 ) ? 6max. 3 ? 6max . 1 output connector input connecto r cn1 cn51 5 3 1 8 1 ( 12.2 ) 3max . ( 1. 6 ) 23 6 o j u n n " m m p x b c m f e j$? f s f o d f j t ? n n j g o p u t q f d j p f e t f q b s b u f m z $ / 0 v u q v u t j e f 0 v u q v u ( s p v o e 0 v u q v u ( s p v o e 0 v u q v u 5 3 1 8 7 6 5 4 3 2 1 - vh series b3p5-vh-b by j.s.t. mfg. co., ltd . - xh series b8b-xh-2 by j.s.t. mfg. co., ltd. $ / * o q v u t j e f ( s p v o e / f v u s b m - j w f p5 p3 n l p1 p1 p2 p3 p4 p5 p6 p7 p8 v1 v2 g1 v3 g2 cn 1 cn51 outline drawing output power - ambient temperature ( derating curve ) . b y j n v n p v u q v u q p x f s " n c j f o u u f n q f s b u v s f ? $ * o u i f s b o h f j o e j d b u f e c z p q f s b u j p o j t q p t t j c m f c v u u i f d i b s b d u f s j t u j d t b s f o p u h v b s b o u f f e mtw 15w shows derating for products without covers. for (a)-(f), refer to the item regarding ?all specifications are subject to change without notice. mtw30w items/units mtw30-51212 mtw30-51515 1 2 3 1 2 3 i n p u t v o l t a g e r a n g e ( n o m i n a l : 1 0 0 - 2 4 0 v a c ) v a c 8 5 - 2 6 5 f r e q u e n c y ( n o m i n a l : 5 0 - 6 0 s i n g l e p h a s e ) h z 4 7 - 4 4 0 p o w e r f a c t o r ( 1 0 0 / 2 4 0 v a c ) ( t y p ) 0 . 5 5 / 0 . 4 5 e f f i c i e n c y ( 1 0 0 / 2 4 0 v a c ) ( t y p ) 7 6 / 7 7 c u r r e n t ( 1 0 0 / 2 4 0 v a c ) ( t y p ) a 0 . 8 / 0 . 4 i n r u s h c u r r e n t ( 1 0 0 / 2 4 0 v a c ) ( t y p ) ( * 1 ) a 2 0 / 4 0 l e a k a g e c u r r e n t ( m a x ) m a 0 . 5 5 / 0 . 7 5 ( 1 0 0 v a c ( e l e c t r i c a l a p p l i a n c e a n d m a t e r i a l s a f e t y l a w ) / 2 4 0 v a c ( u l , i e c ) ) o u t p u t n o m i n a l v o l t a g e ( * 2 ) v d c + 5 [ v 1 ] 1 2 [ v 2 ] - 1 2 [ v 3 ] + 5 [ v 1 ] + 1 5 [ v 2 ] - 1 5 [ v 3 ] m a x i m u m c u r r e n t ( * 3 ) a 3 1 . 2 0 . 3 3 0 . 8 0 . 3 m a x i m u m p e a k c u r r e n t ( * 4 ) a 4 . 5 2 0 . 4 5 4 . 5 2 0 . 4 5 m a x i m u m p o w e r ( p 0 [ v 1 ] + p 0 [ v 2 ] + p 0 [ v 3 ] ) w 3 0 3 3 v o l t a g e s e t t i n g a c c u r a c y ( 1 0 0 / 2 4 0 v a c , 1 0 0 % l o a d ) + 5 + 0 . 3 , - 0 . 1 + 1 2 ? 0 . 6 - 1 2 ? 0 . 6 + 5 + 0 . 3 , - 0 . 1 + 1 5 ? 0 . 7 5 - 1 5 ? 0 . 7 5 m a x i m u m l i n e r e g u l a t i o n ( w i t h i n i n p u t v o l t a g e r a n g e ) ( m a x ) 1 . 0 % 0 . 4 % 1 . 0 % 0 . 4 % m a x i m u m l o a d r e g u l a t i o n ( 1 0 - 1 0 0 % l o a d ) ( m a x ) 2 . 0 % 1 . 0 % 2 . 0 % 1 . 0 % t e m p e r a t u r e c o e f f i c i e n t ( a m b i e n t t e m p e r a t u r e - 1 0 c t o + 5 0 c ) ( m a x ) 2 . 0 1 . 0 2 . 0 1 . 0 w a r m u p d r i f t ( m a x ) ( * 5 ) 1 . 0 m a x p o w e r t o t a l r e g u l a t i o n ( m a x ) ( * 2 ) ? 3 . 0 ? 2 . 0 ? 3 . 0 ? 2 . 0 m a x i m u m r i p p l e v o l t a g e ( m a x ) ( * 6 ) m v p - p 8 0 1 0 0 8 0 1 0 0 m a x i m u m r i p p l e & n o i s e ( m a x ) ( * 6 ) m v p - p 1 2 0 1 5 0 1 2 0 1 5 0 s t a r t u p t i m e ( 1 0 0 v a c ) ( m a x ) m s 3 0 0 h o l d - u p t i m e ( 1 0 0 / 2 4 0 v a c ) ( t y p ) m s 2 0 / 1 4 0 v o l t a g e a d j u s t a b l e r a n g e ( * 7 ) v d c f i x e d / v a r i a b l e ( c h 1 ) f u n c t i o n o v e r c u r r e n t p r o t e c t i o n ( m i n ) ( * 8 ) a 4 . 7 2 . 1 0 . 4 8 4 . 7 2 . 1 0 . 4 8 o v e r v o l t a g e p r o t e c t i o n ( m i n ) ( * 9 ) v d c 5 . 8 n o t a v a i l a b l e 5 . 8 n o t a v a i l a b l e o v e r t e m p e r a t u r e p r o t e c t i o n n o t a v a i l a b l e r e m o t e s e n s i n g n o t a v a i l a b l e r e m o t e o n / o f f c o n t r o l n o t a v a i l a b l e p a r a l l e l o p e r a t i o n n o t a v a i l a b l e s e r i e s o p e r a t i o n n o t a v a i l a b l e o p e r a t i o n i n d i c a t o r n o t a v a i l a b l e m o n i t o r i n g s i g n a l n o t a v a i l a b l e e n v i r o n m e n t o p e r a t i n g t e m p e r a t u r e - 1 0 t o + 6 0 s t o r a g e t e m p e r a t u r e - 3 0 t o + 7 5 o p e r a t i n g h u m i d i t y r h 1 0 - 9 0 ( t h e c o n d i t i o n s o f m a x i m u m 3 5 c i n w e t b u l b t e m p e r a t u r e a n d n o n - c o n d e n s a t i o n s h o u l d b e e n s u r e d . ) s t o r a g e h u m i d i t y r h 1 0 - 9 0 ( t h e c o n d i t i o n s o f m a x i m u m 3 5 c i n w e t b u l b t e m p e r a t u r e a n d n o n - c o n d e n s a t i o n s h o u l d b e e n s u r e d . ) v i b r a t i o n 5 - 1 0 h z , 1 0 m i n u t e s s w e e p , 1 0 m m p - p t o t a l a m p l i t u d e , 3 d i r e c t i o n s , 1 h f o r e a c h , i n n o n - o p e r a t i o n 1 0 - 2 0 0 h z , 1 0 m i n u t e s s w e e p , 1 9 . 6 m / s 2 ( 2 g ) a c c e l e r a t i o n , 3 d i r e c t i o n s , 1 h f o r e a c h , i n n o n - o p e r a t i o n s h o c k 5 8 8 m / s 2 ( 6 0 g ) , 1 1 ? 5 m s , 3 d i r e c t i o n s , 3 t i m e s f o r e a c h , i n n o n - o p e r a t i o n i s o l a t i o n w i t h s t a n d v o l t a g e f o r 1 m i n u t e a t o r d i n a r y t e m p e r a t u r e a n d h u m i d i t y b e t w e e n i n p u t t e r m i n a l a n d g r o u n d t e r m i n a l : 2 . 0 k v a c , 1 0 m a c u t o u t c u r r e n t b e t w e e n i n p u t t e r m i n a l a n d o u t p u t t e r m i n a l : 3 . 0 k v a c , 1 0 m a c u t o u t c u r r e n t b e t w e e n o u t p u t t e r m i n a l a n d g r o u n d ( g ) : 5 0 0 v a c , 2 0 m a c u t o u t c u r r e n t i s o l a t i o n r e s i s t a n c e i n 5 0 0 v d c a n d 1 0 0 m ? o r o v e r a t o r d i n a r y t e m p e r a t u r e a n d h u m i d i t y b e t w e e n i n p u t t e r m i n a l a n d g r o u n d t e r m i n a l , b e t w e e n i n p u t t e r m i n a l a n d o u t p u t t e r m i n a l , a n d b e t w e e n o u t p u t t e r m i n a l a n d g r o u n d t e r m i n a l s t a n d a r d s s a f e t y s t a n d a r d s a p p r o v e d b y u l 6 0 9 5 0 - 1 , c s a c 2 2 . 2 n o . 6 0 9 5 0 - 1 ( c - u l ) , e n 6 0 9 5 0 - 1 ( t v ) , c o m p l y i n g w i t h e l e c t r i c a l a p p l i a n c e a n d m a t e r i a l s a f e t y l a w ( m e e t i n g t h e r e g u l a t i o n s o f c r e e p a g e s u r f a c e a n d s p a c i a l d i s t a n c e i n i t e m 8 o f t h e a p p e n d i x t a b l e ) e m i c o m p l y i n g w i t h f c c - c l a s s b / v c c i - c l a s s b / e n 5 5 0 1 1 - b / e n 5 5 0 2 2 - b i m m u n i t y c o m p l y i n g w i t h e n 6 1 0 0 0 - 4 - 2 l e v e l 4 , - 3 l e v e l 3 , - 4 l e v e l 3 , - 5 l e v e l 4 , - 6 l e v e l 3 , - 8 l e v e l 4 , - 1 1 m e c h a n i c a l w e i g h t m a x g 2 1 0 s i z e ( w x h x d ) m m 2 6 x 6 5 x 1 4 0 w i t h n o m i n a l i n p u t / o u t p u t v o l t a g e , m a x i m u m o u t p u t c u r r e n t , a n d t a = 2 5 c , i f n o t s p e c i f i e d s e p a r a t e l y . ( * 1 ) i n p r i m a r y s u r g e c u r r e n t , 2 5 c , a n d c o l d s t a r t i n g . ( * 2 ) o v e r s h o o t i n s t a r t i n g i n p u t i s 4 % t y p . f l o a t i n g s y s t e m i s u s e d f o r v 1 - v 2 a n d v 1 - v 3 . ( * 3 ) t h e m a x i m u m o u t p u t c u r r e n t v a l u e i s b e t w e e n - 1 0 c a n d + 5 0 c . f o r u s e i n o u t s i d e t h i s t e m p e r a t u r e r a n g e , d e r a t i n g i s n e e d e d . ( * 4 ) f l o w i n g t i m e s h o u l d b e w i t h i n 1 0 s e c o n d s a n d t h e e f f e c t i v e c u r r e n t / p o w e r s h o u l d b e t h e s a m e a s o r l e s s t h a n t h e m a x i m u m c u r r e n t / p o w e r . ( * 5 ) 3 0 m i n t o 8 h a f t e r t h e s t a r t o f i n p u t v o l t a g e a p p l i c a t i o n . ( * 6 ) i n 1 0 0 m h z , - 1 0 c - 0 c . r i p p l e : v 1 - 1 4 0 m v p - p m a x , v 2 , v 3 - 1 6 0 m v p - p m a x . r i p p l e n o i s e : v 1 - 1 6 0 m v p - p , v 2 / v 3 - 1 8 0 m v p - p m a x . ( * 7 ) f o r o u t p u t v o l t a g e a d j u s t a b l e t y p e s ( v a r i a t i o n v ) , o u t p u t v o l t a g e c a n b e v a r i e d i n t h e r a n g e o f + 5 v t h r o u g h + 5 . 2 v f o r c h 1 ( + 5 v ) o n l y , b y t h e o u t p u t v o l t a g e t r i m m e r . ( * 8 ) w h e n t h e o t h e r c h a n n e l s a r e i n 0 a . f o l d - b a c k t y p e d r o o p i n g s y s t e m a n d a u t o m a t i c a l l y r e s u m e s w h e n t h e c a u s e s a r e r e m o v e d . ( * 9 ) f o r v 1 o n l y : z e n e r c l a m p s y s t e m mtw30w specifications mtw 30w recommended emc filter rsel-2001e model ch please refer to "tdk-lambda emc filters" catalog. ?all specifications are subject to change without notice. 5 " / b n f q m b u f 6 1 ? ? . " 9 . " 9 * o q v u d p o o f d u p s . " 9 . " 9 . " 9 . " 9 . " 9 . " 9 . p v o u j o h i p m f . " 9 0 v u q v u d p o o f d u p s # $ / # " s f b g p s n p v o u j o h d p n q p o f o u t 6 1 / b n f q m b u f 0 v u q v u w p m u b h f u s j n n f s p q u j p o # $ / t ( s p v o e q b u u f s o 4 q b d f s b s f b 4 p m e f s t j e f m p d b u j p o q p j o u " s f b g p s n p v o u j o h t d s f x 4 j e f x j u i d p n q p o f o u t m p d b u j p o q p j o u 4 q b d f s b s f b 4 p m e f s t j e f m p d b u j p o q p j o u t " s f b g p s n p v o u j o h t d s f x 4 j e f x j u i d p n q p o f o u t m p d b u j p o q p j o u t " # outline drawing mtw30w ?? ? $ 4 q f d j p d b u j p o t p g u f s n j o b m t 3max . ( 1.6 ) 23 7max . ( 14.1 ) 7max. ( 4.5 ) ( 4 ) ( 45.9 ) 14 0 1320.5 4 ( 4 ) 570.5 4 ( 4 ) 65 4-?3. 5 output connector 1 6 5 3 1 cn 1 cn2 inpu t connector ? 6max . 3 ? 6max . 1 6 o j u n n " m m p x b c m f e j$? f s f o d f j t ? n n j g o p u t q f d j p f e t f q b s b u f m z - vh series b3p5-vh-b by j.s.t. mfg. co., ltd. - vh series b6p-vh-b by j.s.t. mfg. co., ltd. 5 3 1 1 2 3 4 5 6 cn1 cn2 p5 p3 n p1 p1 p2 p3 p4 p5 p6 v3 g1 v2 g2 v1 l $ / 0 v u q v u t j e f 0 v u q v u ( s p v o e 0 v u q v u 0 v u q v u ( s p v o e $ / * o q v u t j e f ( s p v o e / f v u s b m - j w f output power - ambient temperature ( derating curve ) . b y j n v n p v u q v u q p x f s " n c j f o u u f n q f s b u v s f ? $ * o u i f s b o h f j o e j d b u f e c z p q f s b u j p o j t q p t t j c m f c v u u i f d i b s b d u f s j t u j d t b s f o p u h v b s b o u f f e shows derating for products without covers. for (a)-(f), refer to the item regarding mtw 30w ?all specifications are subject to change without notice. mtw60w items/units mtw60-51212 mtw60-51515 1 2 3 1 2 3 i n p u t v o l t a g e r a n g e ( n o m i n a l : 1 0 0 - 2 4 0 v a c ) v a c 8 5 - 2 6 5 f r e q u e n c y ( n o m i n a l : 5 0 - 6 0 s i n g l e p h a s e ) h z 4 7 - 4 4 0 p o w e r f a c t o r ( 1 0 0 / 2 4 0 v a c ) ( t y p ) 0 . 5 5 / 0 . 4 5 e f f i c i e n c y ( 1 0 0 / 2 4 0 v a c ) ( t y p ) 7 6 c u r r e n t ( 1 0 0 / 2 4 0 v a c ) ( t y p ) a 1 . 4 / 0 . 8 i n r u s h c u r r e n t ( 1 0 0 / 2 4 0 v a c ) ( t y p ) ( * 1 ) a 2 0 / 4 0 l e a k a g e c u r r e n t ( m a x ) m a 0 . 6 / 0 . 7 5 ( 1 0 0 v a c ( e l e c t r i c a l a p p l i a n c e a n d m a t e r i a l s a f e t y l a w ) / 2 4 0 v a c ( u l , i e c ) ) o u t p u t n o m i n a l v o l t a g e ( * 2 ) v d c + 5 [ v 1 ] 1 2 [ v 2 ] - 1 2 [ v 3 ] + 5 [ v 1 ] + 1 5 [ v 2 ] - 1 5 [ v 3 ] m a x i m u m c u r r e n t ( * 3 ) a 5 2 . 5 0 . 5 5 2 0 . 5 m a x i m u m p e a k c u r r e n t ( * 4 ) a 7 3 . 5 0 . 7 7 3 . 5 0 . 7 m a x i m u m p o w e r ( p 0 [ v 1 ] + p 0 [ v 2 ] + p 0 [ v 3 ] ) w 6 0 6 2 . 5 v o l t a g e s e t t i n g a c c u r a c y ( 1 0 0 / 2 4 0 v a c , 1 0 0 % l o a d ) + 5 + 0 . 3 , - 0 . 1 + 1 2 ? 0 . 6 - 1 2 ? 0 . 6 + 5 + 0 . 3 , - 0 . 1 + 1 5 ? 0 . 6 - 1 5 ? 0 . 7 5 m a x i m u m l i n e r e g u l a t i o n ( w i t h i n i n p u t v o l t a g e r a n g e ) ( m a x ) 1 . 0 % 0 . 4 % 1 . 0 % 0 . 4 % m a x i m u m l o a d r e g u l a t i o n ( 1 0 - 1 0 0 % l o a d ) ( m a x ) 2 . 0 % 1 . 0 % 2 . 0 % 1 . 0 % t e m p e r a t u r e c o e f f i c i e n t ( a m b i e n t t e m p e r a t u r e - 1 0 c t o + 5 0 c ) ( m a x ) 2 . 0 1 . 0 2 . 0 1 . 0 w a r m u p d r i f t ( m a x ) ( * 5 ) 1 . 0 m a x p o w e r t o t a l r e g u l a t i o n ( m a x ) ( * 2 ) ? 2 . 5 ? 2 . 0 ? 2 . 5 ? 2 . 0 m a x i m u m r i p p l e v o l t a g e ( m a x ) ( * 6 ) m v p - p 8 0 1 0 0 8 0 1 0 0 m a x i m u m r i p p l e & n o i s e ( m a x ) ( * 6 ) m v p - p 1 2 0 1 5 0 1 2 0 1 5 0 s t a r t u p t i m e ( 1 0 0 v a c ) ( m a x ) m s 3 5 0 5 5 0 h o l d - u p t i m e ( 1 0 0 / 2 4 0 v a c ) ( t y p ) m s 2 0 / 1 8 0 v o l t a g e a d j u s t a b l e r a n g e ( * 7 ) v d c f i x e d / v a r i a b l e ( c h 1 ) f u n c t i o n o v e r c u r r e n t p r o t e c t i o n ( m i n ) ( * 8 ) a 7 . 4 3 . 7 0 . 7 5 7 . 4 3 . 7 0 . 7 5 o v e r v o l t a g e p r o t e c t i o n ( m i n ) ( * 9 ) v d c 5 . 8 1 3 . 8 n o t a v a i l a b l e 5 . 8 1 6 . 5 n o t a v a i l a b l e o v e r t e m p e r a t u r e p r o t e c t i o n n o t a v a i l a b l e r e m o t e s e n s i n g n o t a v a i l a b l e r e m o t e o n / o f f c o n t r o l n o t a v a i l a b l e p a r a l l e l o p e r a t i o n n o t a v a i l a b l e s e r i e s o p e r a t i o n n o t a v a i l a b l e o p e r a t i o n i n d i c a t o r n o t a v a i l a b l e m o n i t o r i n g s i g n a l n o t a v a i l a b l e e n v i r o n m e n t o p e r a t i n g t e m p e r a t u r e - 1 0 t o + 6 0 s t o r a g e t e m p e r a t u r e - 3 0 t o + 7 5 o p e r a t i n g h u m i d i t y r h 1 0 - 9 0 ( t h e c o n d i t i o n s o f m a x i m u m 3 5 c i n w e t b u l b t e m p e r a t u r e a n d n o n - c o n d e n s a t i o n s h o u l d b e e n s u r e d . ) s t o r a g e h u m i d i t y r h 1 0 - 9 0 ( t h e c o n d i t i o n s o f m a x i m u m 3 5 c i n w e t b u l b t e m p e r a t u r e a n d n o n - c o n d e n s a t i o n s h o u l d b e e n s u r e d . ) v i b r a t i o n 5 - 1 0 h z , 1 0 m i n u t e s s w e e p , 1 0 m m p - p t o t a l a m p l i t u d e , 3 d i r e c t i o n s , 1 h f o r e a c h , i n n o n - o p e r a t i o n 1 0 - 2 0 0 h z , 1 0 m i n u t e s s w e e p , 1 9 . 6 m / s 2 ( 2 g ) a c c e l e r a t i o n , 3 d i r e c t i o n s , 1 h f o r e a c h , i n n o n - o p e r a t i o n s h o c k 5 8 8 m / s 2 ( 6 0 g ) , 1 1 ? 5 m s , 3 d i r e c t i o n s , 3 t i m e s f o r e a c h , i n n o n - o p e r a t i o n i s o l a t i o n w i t h s t a n d v o l t a g e f o r 1 m i n u t e a t o r d i n a r y t e m p e r a t u r e a n d h u m i d i t y b e t w e e n i n p u t t e r m i n a l a n d g r o u n d t e r m i n a l : 2 . 0 k v a c , 1 0 m a c u t o u t c u r r e n t b e t w e e n i n p u t t e r m i n a l a n d o u t p u t t e r m i n a l : 3 . 0 k v a c , 1 0 m a c u t o u t c u r r e n t b e t w e e n o u t p u t t e r m i n a l a n d g r o u n d ( g ) : 5 0 0 v a c , 2 0 m a c u t o u t c u r r e n t i s o l a t i o n r e s i s t a n c e i n 5 0 0 v d c a n d 1 0 0 m ? o r o v e r a t o r d i n a r y t e m p e r a t u r e a n d h u m i d i t y b e t w e e n i n p u t t e r m i n a l a n d g r o u n d t e r m i n a l , b e t w e e n i n p u t t e r m i n a l a n d o u t p u t t e r m i n a l , a n d b e t w e e n o u t p u t t e r m i n a l a n d g r o u n d t e r m i n a l s t a n d a r d s s a f e t y s t a n d a r d s a p p r o v e d b y u l 6 0 9 5 0 - 1 , c s a c 2 2 . 2 n o . 6 0 9 5 0 - 1 ( c - u l ) , e n 6 0 9 5 0 - 1 ( t v ) , c o m p l y i n g w i t h e l e c t r i c a l a p p l i a n c e a n d m a t e r i a l s a f e t y l a w ( m e e t i n g t h e r e g u l a t i o n s o f c r e e p a g e s u r f a c e a n d s p a c i a l d i s t a n c e i n i t e m 8 o f t h e a p p e n d i x t a b l e ) e m i c o m p l y i n g w i t h f c c - c l a s s b / v c c i - c l a s s b / e n 5 5 0 1 1 - b / e n 5 5 0 2 2 - b i m m u n i t y c o m p l y i n g w i t h e n 6 1 0 0 0 - 4 - 2 l e v e l 4 , - 3 l e v e l 3 , - 4 l e v e l 3 , - 5 l e v e l 4 , - 6 l e v e l 3 , - 8 l e v e l 4 , - 1 1 m e c h a n i c a l w e i g h t m a x g 3 3 0 s i z e ( w x h x d ) m m 2 6 x 8 3 x 1 8 5 w i t h n o m i n a l i n p u t / o u t p u t v o l t a g e , m a x i m u m o u t p u t c u r r e n t , a n d t a = 2 5 c , i f n o t s p e c i f i e d s e p a r a t e l y . ( * 1 ) i n p r i m a r y s u r g e c u r r e n t , 2 5 c , a n d c o l d s t a r t i n g . ( * 2 ) o v e r s h o o t i n s t a r t i n g i n p u t i s 4 % t y p . f l o a t i n g s y s t e m i s u s e d f o r v 1 - v 2 a n d v 1 - v 3 . ( * 3 ) t h e m a x i m u m o u t p u t c u r r e n t v a l u e i s b e t w e e n - 1 0 c a n d + 5 0 c . f o r u s e i n o u t s i d e t h i s t e m p e r a t u r e r a n g e , d e r a t i n g i s n e e d e d . ( * 4 ) f l o w i n g t i m e s h o u l d b e w i t h i n 1 0 s e c o n d s a n d t h e e f f e c t i v e c u r r e n t / p o w e r s h o u l d b e t h e s a m e a s o r l e s s t h a n t h e m a x i m u m c u r r e n t / p o w e r . ( * 5 ) 3 0 m i n t o 8 h a f t e r t h e s t a r t o f i n p u t v o l t a g e a p p l i c a t i o n . ( * 6 ) i n 1 0 0 m h z , - 1 0 c - 0 c . r i p p l e : v 1 - 1 4 0 m v p - p m a x , v 2 / v 3 - 1 6 0 m v p - p . r i p p l e n o i s e : v 1 - 1 6 0 m v p - p m a x , v 2 / v 3 - 1 8 0 m v p - p m a x . ( * 7 ) f o r o u t p u t v o l t a g e a d j u s t a b l e t y p e s ( v a r i a t i o n v ) , o u t p u t v o l t a g e c a n b e v a r i e d i n t h e r a n g e o f 4 . 5 v t h r o u g h 5 . 5 v f o r c h 1 ( + 5 v ) o n l y , b y t h e o u t p u t v o l t a g e t r i m m e r . ( * 8 ) w h e n t h e o t h e r c h a n n e l s a r e i n 0 a . f o l d - b a c k t y p e d r o o p i n g s y s t e m a n d a u t o m a t i c a l l y r e s u m e s w h e n t h e c a u s e s a r e r e m o v e d . ( * 9 ) f o r v 1 o n l y : z e n e r c l a m p s y s t e m mtw60w specifications mtw 60w model ch recommended emc filter rsel-2003w please refer to "tdk-lambda emc filters" catalog. ?all specifications are subject to change without notice. . b y j n v n p v u q v u q p x f s " n c j f o u u f n q f s b u v s f ? $ * o u i f s b o h f j o e j d b u f e c z p q f s b u j p o j t q p t t j c m f c v u u i f d i b s b d u f s j t u j d t b s f o p u h v b s b o u f f e . 5 8 8 ?? ? $ 4 q f d j p d b u j p o t p g u f s n j o b m t ? ? n b y ? ? $ / $ / ? 0 6 5 1 6 5 $ 0 / / & $ 5 0 3 * / 1 6 5 $ 0 / / & $ 5 0 3 n b y ? n b y ? n b y n b y n b y n b y 6 o j u n n " m m p x b c m f e j$? f s f o d f j t ? n n j g o p u t q f d j p f e t f q b s b u f m z 7 ) t f s j f t # 1 7 ) # c z + 4 5 . g h $ p - u e 7 ) t f s j f t # 1 7 ) # c z + 4 5 . g h $ p - u e $ / $ / $ / $ / 1 1 / 1 1 1 1 1 1 1 1 1 7 7 ( 7 ( - outline drawing output power - ambient temperature ( derating curve ) mtw 60w shows derating for products without covers. for (a)-(f), refer to the item regarding 6 1 6 1 ? ? ? ? # # # . " 9 # " . " 9 . " 9 . " 9 $ / $ / / b n f q m b u f / b n f q m b u f . " 9 . " 9 . " 9 . " 9 . " 9 . " 9 . " 9 0 v u q v u w p m u b h f u s j n n f s p q u j p o " s f b g p s n p v o u j o h d p n q p o f o u t 0 v u q v u d p o o f d u p s * o q v u d p o o f d u p s . p v o u j o h i p m f ( s p v o e q b u u f s o 4 q b d f s b s f b 4 p m e f s t j e f m p d b u j p o q p j o u " s f b g p s n p v o u j o h t d s f x 4 j e f x j u i d p n q p o f o u t m p d b u j p o q p j o u 4 q b d f s b s f b 4 p m e f s t j e f m p d b u j p o q p j o u t " s f b g p s n p v o u j o h t d s f x 4 j e f x j u i d p n q p o f o u t m p d b u j p o q p j o u t " # ?all specifications are subject to change without notice. 8 block diagram $ p o u s p m d j s d v j u * o q v u p m u f s d j s d v j " $ j o q v u ! / * o s v t i d v s s f o u q s f w f o u j p o j o q v u p m u f s d j s d v j u $ p o u s p m d j s d v j u mosfet switch 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u v output v output v output ( / % gn d ? mtw15w * o s v t i d v s s f o u q s f w f o u j p o j o q v u p m u f s d j s d v j u " $ j o q v u ! / * o q v u s f d u j p d b u j p o d j s d v j u $ v s s f o u e f u f d u j p o $ p o u s p m d j s d v j u " v y j m j b s z q p x f s t v q q m z 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u v output v output v output ( / % ( gn d ( ? 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u $ p o u s p m d j s d v j u mosfet switch 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u mtw30w " $ j o q v u ! / * o s v t i d v s s f o u q s f w f o u j p o j o q v u p m u f s d j s d v j u * o q v u s f d u j p d b u j p o d j s d v j u v1:output v2:output v3:output $ p o u s p m d j s d v j u 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 v u q v u d v s s f o u t n p p u i j o h d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u 0 w f s w p m u b h f q s p u f d u j p o d j s d v j u ( / % ( ( / % ( ? $ p o u s p m d j s d v j u $ v s s f o u e f u f d u j p o $ p o u s p m d j s d v j u mosfet switch " v y j m j b s z q p x f s t v q q m z $ v s s f o u e f u f d u j p o $ p o u s p m d j s d v j u mosfet switch " v y j m j b s z q p x f s t v q q m z mtw60w mtw series mtw series ?all specifications are subject to change without notice. mtw series instruction manual 1 emi and esd measurement method metal plate max. 8mm y 6mm ' j m m f s q j f d f 2 ripple and ripple noise measurement 3 maximum peak current peak current flow can be allowed. however, observe the conditions shown below for a peak current over the nominal value. * t t 1 * 2 d = t ? t (1) condition of time t Q 10 seconds (2) condition of peak current i 1 Q maximum peak current (3) condition of efective current di 1 2 + (1-d) x i 2 2 Q maximum current (4) condition of efective power p Q maximum power 4 minimum output current 15w/60w type there is no restriction in minimum output current value. 30w type the ch1 (+5v) output current should be 0.5a or over when in use. if it is 0.5a or lower, the regulations for the other channels cannot be satisfed. 5 ce marking mtw series meets the en60950-1 standards and the ce marking is applicable to this series, based on 73/23/eec and 93/68/eec. the custom-made power supply units (variation models) modified from this dc power supply device are not basically ce-marking applicable, except when "ce-marking applicable" is specifcally declared in their specifcation documents. 6 operation of over current protection note that if nonlinear loading such as by lamp or motor, and constant current load is connected, output voltage may not be generated when starting up. also, there is a restriction in the connectable load capacity. check it in the specifcation document. 7 over voltage protection a protection circuit which clamps the output voltage with the zener diode is incorporated, in order to prevent the over voltage output when in an unusual current condition. when this circuit is activated, restart is impossible. 8 other points to be noted this product has surface-mount components on the bottom panel (solder side). vibration, impact, and distortion, etc. in the board can cause failure due to chip crack. be careful in handling. 1. explanation of functions and notes 1 p x f s t v q q m z g p s u f t u 0 v u q v u d p o o f d u p s 150mm load c1: 100 electrolytic capacitor mesurement point c1 + c2 c2: 0.1f film capacitor mtw series ?all specifications are subject to change without notice. 10 2 mounting method use spacers (filler pieces: ?6mm max) in the mounting holes on the board. keep a space of 8mm or over. also keep a spacial distance (4mm or over) in order to satisfy the insulation regulations/withstand voltage. if a spacial distance (4mm or over) cannot be kept, insert an insulating plate, etc. it is also recommended to keep a distance of 10mm or over from adjacent devices, in order to generate thermal convection. . . f u b m q m b u f . 5 8 8 ' s b n f max. 4mm min. 10mm 4mm min. 10mm 4mm min. 10mm 4mm min. 10mm 4mm min. 10mm 8mm min. y 6mm ' j m m f s q j f d f 2.mounting 1 mounting direction * o q v u d p o o f d u p s " 4 u b o e b s e n p v o u j o h b e f c % * o q v u d p o o f d u p s * o q v u d p o o f d u p s * o q v u d p o o f d u p s * o q v u d p o o f d u p s * o q v u d p o o f d u p s 0 v u q v u d p o o f d u p s 0 v u q v u d p o o f d u p s 5 i f t u b o e b s e n p v o u j o h n f u i p e p g u i f q p x f s t v q q m z v o j u u p b e f w j d f j t " 5 i f n f u i p e t $ u i s p v h i ' b s f b m t p b w b j m b c m f t 5 i f n f u i p e # t i p v m e o p u c f v t f e 5 i j t d b o d b v t f p w f s i f b u j o h 8 i f o v t j o h g p s n p v o u j o h n f u i p e t " b o e $ u i s p v h i ' p q f s b u f u i f v o j u x j u i j o u i f e f s b u j o h d v s w f t i p x o j o ' j h when this product is in use, confirm that the power supply's ambient temperature is within the range of operating temperatures. the power supply's ambient temperature means the temperature around the power supply unit, causing a temperature rise inside the device. for use with natural air cooling, locate the unit so as to generate thermal convection. also keep a distance of 10mm or over from adjacent devices, from each side of the unit. select input/output wire materials and noise flters, etc. which have enough allowance in their respective current capacity. if the power supply unit is not in use for a long period of time, it is recommended to apply input voltage for approximately 1 hour, every 2 years, to maintain the quality of the electrolytic capacitor. when the power supply units are in a series operation, the nominal current is restricted according to the lowest nominal current value of the units in use. in addition, in order to prevent damage to internal elements and other parts due to reverse voltage applied to the unit, connect a diode (reverse withstand voltage: twice or over the value of total output voltage, forward current: twice or over the value of output current, forward voltage drop: possibly minimum) to prevent reverse voltage, to the output terminal of the unit. no materials used in this product contain the bromine fre retardant (pbdpes, pbbs). no ods are used in the production of this product. 3. precautions in use is the specifed input voltage being applied to the input terminal? are the connections of input/output terminals correct? check that the connecting wires are not too thin. 4. troubleshooting 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