f red ultraf ast soft reco ver y diode, 8 a n-hf a08t b60 n ell high power products fe atures ultrafast recovery ultrasoft recovery v er y low i rrm v er y low q rr specified at operating conditi ons lead ( pb )- free designed and qualified for industrial level benef its reduced rfi and emi reduced power loss in diode and switch ing transistor higher frequency operation reduced snubbing reduced parts count descri p t ion anode 1 3 cathode cathode 2 absol ute maxim um ra tings p arameter symbol test conditions v alues units cathod e to anode voltage v r 600 v maximum continuous forw ard current i f a single pulse forward current i fsm 60 maximum repetitive forward current i frm 24 maximum pow er dissipation p d w operating junct ion and storage tempe rature range t j , t stg - 55 to + 150 r o h s r o h s p a g e 1 o f 6 t o - 2 2 0 a c s e m i c o n d u c t o r r o h s r o h s pro duct sum mar y v r v f at 8 a at 25 o c i f ( av ) 8 a t rr ( typical t j ( maximum ) q rr ( typical ) di ( rec ) m / dt ( typica l ) i rrm 5.0 a 60 0 v tc = 100 oc tc = 100 oc tc = 25 oc 8 36 14 oc a v a i l a b l e r o h s * c o m p l i a n t ) 1.7 v 18 ns 150 o c 65 nc 240 a / s h fa 0 8 t b 6 0 i s a s t a t e o f t h e a r t u l t r a f a s t d i o d e . e m p l o y i n g t h e l a t e s t i n e p i t a x i a l c o n s t r u c t i o n a n d a d v a n c e d p r o c e s s i n g t e c h n i q u e s i t f e a t u r e s a s u p e r b c o m b i n a t i o n o f c h a r a c t e r i s t i c s w h i c h r e s u l t i n p e r f o r m a n c e w h i c h i s u n s u r p a s s e d b y a n y r e c t i f i e r p r e v i o u s l y a v a i l a b l e . w i t h b a s i c r a t i n g s o f 6 0 0 v a n d 8 a c o n t i n u o u s c u r r e n t , t h e h fa 0 8 t b 6 0 i s e s p e c i a l l y w e l l s u i t e d f o r u s e a s t h e c o m p a n i o n d i o d e f o r i g b t s a n d m o s f e t s . i n a d d i t i o n t o u l t r a f a s t r e c o v e r y t i m e , t h e f r e d p r o d u c t l i n e f e a t u r e s e x t r e m e l y l o w v a l u e s o f p e a k r e c o v e r y c u r r e n t ( i ) r r m a n d d o e s n o t e x h i b i t a n y t e n d e n c y t o s n a p - o f f d u r i n g t h e t p o r t i o n o f r e c o v e r y . t h e f r e d f e a t u r e s c o m b i n e b t o o f f e r d e s i g n e r s a r e c t i f i e r w i t h l o w e r n o i s e a n d s i g n i f i c a n t l y l o w e r s w i t c h i n g l o s s e s i n b o t h t h e d i o d e a n d t h e s w i t c h i n g t r a n s i s t o r. t h e s e f r e d a d v a n t a g e s c a n h e l p t o s i g n i f i c a n t l y r e d u c e s n u b b i n g , c o m p o n e n t c o u n t a n d h e a t s i n k s i z e s . t h e f r e d h fa 0 8 t b 6 0 i s i d e a l l y s u i t e d f o r a p p l i c a t i o n s i n p o w e r s u p p l i e s a n d c o n v e r s i o n s y s t e m s ( s u c h a s i n v e r t e r s ) , m o t o r d r i v e s , a n d m a n y o t h e r s i m i l a r a p p l i c a t i o n s w h e r e h i g h s p e e d , h i g h e f f i c i e n c y i s n e e d e d . r e c o v e r y w w w . n e l l s e m i . c o m
therma l - mec han ical spe cif ica tio ns p ara meter symbol test conditions min . typ . max . units lead temperature t lead 0.063" from case (1.6 mm ) for 10 s - - 300 o therma l resistance , junction to case r thjc - - 3.5 k / w therma l resistance , junction to ambie nt r thja typical socket mount - - 80 thermal resistance , case to heatsin k r thcs mounting surface , flat , smooth and greased - 0.5 - weight - 2.0 - g - 0.07 - oz . mounting torque 6.0 (5.0) - 12 (10) kgf . cm ( lbf . in ) marking device case style to -220 ac p a g e 2 o f 6 s e m i c o n d u c t o r r o h s r o h s n ell high power products hfa 08 tb 60 n-hf a08t b60 oc unless otherw ise spec ified ) = 25 p ar ameter symbol tes t condition s v - = 16 a i f - - a - - 600 1.4 5.0 0.3 - 100 pf 10 e lectri cal specif ica t ions ( t j cathode to anode breakdown volta ge v br = 100 a i r maximum forwa rd voltage = 8.0 a i f = 8.0 a , t i = 125 oc f j maximum reverse leakage curre nt i rm junction capacitance 1.4 1.7 - - oc unless otherw ise spec ified ) = 25 p ar ameter symbol tes t conditions ns - - 37 55 dynami c recove r y charac terist ics perleg ( t j reverse recov ery time i f = 1.0 a, di /dt = -200 a/s, v =30 v, t = 25 c f r j 18 - a - 4.5 3.5 - nc - 124 65 - peak recovery c urrent reverse recov ery charge t rr t rr1 t rr2 i rrm1 i rrm2 q rr1 q rr2 t = 125 oc j t = 125 oc j t = 125 oc j t = 25 oc j t = 25 oc j t = 25 oc j i = 8.0 a f di /dt = -200 a/s f v = 200 v r - v fm c t v = 2 0 0 v r t = 1 2 5 c , v = v r a t e d j r r v = v r a t e d r r i = 0 . 5 a , i = 1 . 0 a , i = 2 5 0 m a ( r g # 1 c k t ) f r r r 25 - 1.7 units max . typ . min . units max . typ . min . a/ s - 210 240 - dl /dt2 (rec)m t = 125 oc j t = 25 oc j - - nh 8.0 series inductance l s 2 5 5 0 0 - - measured lead to lead 5 mm from pack age body dl /dt1 (rec)m 90 5.0 55 - 8.0 360 138 1.7 2.1 peak rate of fall of recovery current during t b w w w . n e l l s e m i . c o m
fig .1 maximum forward volta ge drop vs . instantaneous forward current fig .2 typical reverse current vs . reverse voltage fig .3 typi cal junction capacitance vs . reverse voltage 1 1 0 t = 150 j t = 125 j t = 25 j 0.4 3.2 0.8 1.2 v - ( ) forwar d v oltage dr op v fm i f - i n s t a n t a n e o u s f o r w a r d c u r r e n t ( a ) 100 2.0 2.8 0.1 2.4 1.6 0. 01 0. 1 1 1 0 10 0 0 re verse v oltage (v) i r - r e v e r s e c u r r e n t ( a ) t = 125 c j t = 25 o c j 1000 100 600 500 300 0. 00 1 t = 150 j 400 200 10 10 0 1 10 100 1000 1 v r - re verse v oltage ( v ) c t - j u n c t i o n c a p a c i t a n c e ( p f ) t = 25 j 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 1 z t h j c - t h e r m a l r e s p o n s e single pulse ( ther mal response ) p dm t 1 t 2 d = 0.50 d = 0.20 d = 0.10 d = 0.05 d = 0.02 d = 0.01 p a g e 3 o f 6 s e m i c o n d u c t o r r o h s r o h s n o t e s : 1 . d u t y f a c t o r d = t 1 / t 2 2 . p e a k t = p d m x z t h j c + t c fig .4 maximum the rmal impedance z thjc characteris tics n ell high power products n-hf a08t b60 w w w . n e l l s e m i . c o m
fig .5 typical reverse recovery time vs . di / dt f fig .6 typical recove ry current vs . di / dt f fig .7 typical stored charge vs . di i / dt f fig .8 typical di / dt vs . di / dt ( rec ) m f 80 40 0 100 1000 di / ( / ) dt a f s t r r ( n s ) v = 200 v r t = 125 j t = 25 j 60 20 i f = 16 a i f = 8 a i f = 4 a 20 15 0 100 1000 di / ( / ) dt a f s i r r ( a ) i f = 16 a i f = 8 a i f = 4 a v = 200 v r t = 125 j t = 25 j 5 10 500 0 100 1000 di / ( / ) dt a s f q ( n c ) r r i f = 16 a i f = 8 a i f = 4 a v = 200 v r t = 125 j t = 25 j 100 400 200 10 000 1000 100 1000 di / dt ( a / ) f s d i ( r e c ) m / d t ( a / s ) v = 200 v r t = 125 j t = 25 j i f = 16 a i f = 8 a i f = 4 a 100 p a g e 4 o f 6 s e m i c o n d u c t o r r o h s r o h s 300 n ell high power products n-hf a08t b60 w w w . n e l l s e m i . c o m
p a g e 5 o f 6 s e m i c o n d u c t o r r o h s r o h s n ell high power products n-hf a08t b60 fig .9 reverse recovery parameter t est circuit fig .10 reverse recovery w aveform and definition s irfp 250 d . u . t . l = 70 h v r = 200 v 0.01 g d s di f / dt adjust q rr 0.5 i rrm di ( rec ) m / dt 0.75 i rrm i rrm t rr t b t a i f di f / dt 0 (1) (2) (3) (4) (5) (1) di / dt - rate of change of current f through zero crossing (2) i rrm - peak re v erse reco v er y current (3) t - re v erse reco v er y time measured rr from z ero crossing point of negativ e going i to point where a line passing f through 0.75 i rrm and 0.50 i rrm e xtrapolated to zero current . (4) q - area under cur v e defined b y t rr rr and i rrm 2 q = rr (5) di / dt - peak rate of change of ( rec ) m current dur ing t b por tion of t rr t x l r r r r m w w w . n e l l s e m i . c o m
or de ring in forma tion t abl e 1 - fred family 2 - nell semiconductors product 3 - current rating (08 = 8 a ) 4 - package : tb = t o -220 ac 5 - v oltage rating (60 = 600 v ) device code t o -220 ac package outline anode cathode 0.404 [10.26] 0.393 [9.98] ?0.153 [3.89] ?0.149 [3.78] 0.1 14 [2.90] 0.102 [2.59] 0.508 [12.90] 0.492 [12.50] 0.154 [3.91] 0.134 [3.40] 0.531 [13.49] 0.515 [13.08] 0.100 [2.54] typ 0.204 [5.18] 0.196 [4.98] 0.057 [1.45] 0.047 [1.19] 0.034 [0.86] 0.030 [0.76] cathode 0.186 [4.72] 0.174 [4.42] 0.058 [1.47] 0.047 [1.19] 0.362 [9.19] 0.354 [8.99] 0.1 10 [2.79] 0.099 [2.51] 0.018 [0.46] 0.014 [0.36] 3 1 2 h fa 0 8 t b 6 0 n - 4 5 s e m i c o n d u c t o r r o h s r o h s n ell high power products n-hf a08t b60 p a g e 6 o f 6 w w w . n e l l s e m i . c o m
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