cdsw19-g/20-g/21-g page 1 qw -b0018 smd switching diode high speed rohs device maximum rating (at t a=25c unless otherwise noted) rev :c electrical characteristics (at t a=25c unless otherwise noted) c ma c/w mw ma ma v v v -65 ~ +150 625 500 250 200 141 200 250 t stg i frm p d io v r(r ms ) v rrm v r wm v r v rm i fm @1.0ms @1.0s storage temperature repetitive peak forward current power dissipation peak forward surge current a verage rectified output current peak repetitive peak reverse voltage w orking peak reverse voltage dc blocking voltage non-repetitive peak reverse voltage forward continuous current parameter symbol cdsw19-g CDSW20-G cds w21 -g unit ns p f ua v 50 5 0.1 0.1 0.1 1.0 1.25 c t i r v f t rr capacitance between terminals reverse current forward voltage reverse recovery time parameter conditions symbol min t yp max unit f = 1 mh z , v r =0v v r =100 v v r =150 v v r =200 v i f = 0.1 a i f = 0.2 a i f = i r= 30 ma, r l =100 , irr = 0.1 x i r r ja rms reverse voltage thermal resistance (junction to ambient) i fsm 400 2.5 0.5 a 120 200 100 150 71 106 cdsw19-g CDSW20-G cdsw21-g 0 . 1 5 2 ( 3 . 8 5 ) 0 . 1 4 0 ( 3 . 5 5 ) 0 . 0 4 9 ( 1 . 2 5 ) 0 . 0 4 1 ( 1 . 0 5 ) d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r ) s o d - 1 2 3 0 . 0 2 0 ( 0 . 5 0 ) r e f 0 . 0 0 4 ( 0 . 1 0 ) m a x . 0 . 11 0 ( 2 . 8 0 ) 0 . 1 0 2 ( 2 . 6 0 ) 0 . 0 6 7 ( 1 . 7 0 ) 0 . 0 5 9 ( 1 . 5 0 ) 0 . 0 2 6 ( 0 . 6 5 ) 0 . 0 1 8 ( 0 . 4 5 ) 0 . 0 0 6 ( 0 . 1 5 ) 0 . 0 0 3 ( 0 . 0 8 ) features -fast switching speed -surface mount package ideally suited for automatic insertion -for general purpose switching applications mechanical data -case: sod-123, molded plastic -t erminals: solderable per mil-std-202, method 208 -w eight: 0.01 gram(approx.).
t ypical characteristics (cdsw19-g/20-g/21-g) page 2 smd switching diode qw -b0018 fig.1 - forward characteristics fig.2 - t ypical reverse characteristics rev :c v f , instantaneous forward v oltage (v) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.001 0.01 0.1 1 i f i a w c ) , n s t n t a n e o u s f o r a r d u r r e n t ( a o t a =150 c o t a =125 c o t a =75 c o t a =25 c o t a =0 c o t a =75 c v r , instantaneous reverse v oltage (v) 0 0.0001 i r n s t a n t e v e s e r e n t a , i a n e o u s r r c u r ( ) 50 100 150 200 250 0.001 0.01 0.1 1 10 100 o t a =75 c o t a =25 c o t a =0 c o t a =-40 c o t a =75 c o t a =25 c o t a =0 c o t a =75 c o t a =75 c o t a =25 c o t a =0 c o t a =-40 c o t a =125 c o t a =150 c fig.3 - power derating curve t a , ambient t emperature (c) 0 0 p d , p o w e r d i s s i p a t i o n , ( m w ) 25 50 75 100 125 150 50 100 150 200 250 300 fig.4 - t ypical capacitance v .s. reverse v oltage v r , reverse v oltage (v) 0 0 c t , t a l c a p a c i a ( o t t n c e p f ) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 10 20 30 40
qw -b0018 page 3 rev : c comchip t echnology co., l td. reel t aping specification b c d d d 2 d 1 s y m b o l a ( m m ) ( i n c h ) 1 . 8 5 0 . 0 5 3 . 9 4 0 . 0 5 1 . 5 5 0 . 1 0 1 . 5 7 0 . 0 5 o 1 2 0 d 1 d 2 d w 1 4 . 0 0 0 . 1 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 1 0 s y m b o l ( m m ) ( i n c h ) 0 . 0 . 0 0 4 1 5 7 0 . 1 5 7 0 . 0 0 4 0 . 0 7 9 0 . 0 0 4 e f p p 0 p 1 w w 1 1 . 7 5 0 . 1 0 0 . 0 6 9 0 . 0 0 4 3 . 5 0 0 . 1 0 0 . 1 3 8 0 . 0 0 4 s o d - 1 2 3 1 2 . 3 0 1 . 0 0 . 4 8 4 0 . 0 3 9 8 . 0 0 0 . 3 0 / + C 0 . 1 0 0 . 3 1 5 0 . 0 1 2 / + C 0 . 0 0 4 t c x x 0 . 0 6 2 0 . 0 0 2 0 . 1 5 5 0 . 0 0 2 0 . 0 7 3 0 . 0 0 2 0 . 0 6 1 0 . 0 0 4 7 . 0 0 8 0 . 0 7 9 1 7 8 2 . 0 0 5 4 . 4 0 1 . 0 0 2 . 1 4 2 0 . 0 3 9 1 3 . 0 0 1 . 0 0 0 . 5 1 2 0 . 0 3 9 s o d - 1 2 3 company reserves the right to improve product design , functions and reliability without notice. smd switching diode
page 4 rev :c qw -b0018 comchip t echnology co., l td. part number cdsw19-g marking code a8 marking code suggested p ad layout size (inch) 0.128 (mm) 3.24 0.80 1.00 0.031 0.039 sod-123 4.04 0.159 e 2.44 0.096 a b c d a c b e d xx standard packaging c a s e t y p e s o d - 1 2 3 3 , 0 0 0 r e e l ( p c s ) reel size (inch) 7 r e e l p a c k c o m p a n y r e s e r v e s t h e r i g h t t o i m p r o v e p r o d u c t d e s i g n , f u n c t i o n s a n d r e l i a b i l i t y w i t h o u t n o t i c e . CDSW20-G t2 cdsw21-g t3 smd switching diode
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