f red ultr afast s oft reco ver y diode, 60 a 2 fe atures fast recovery time charac teristic electrically isolated base plate simplified mechanical d esigns , rapid assem bly compliant to rohs designed and for industrial level descr iptio n a v a i l a b l e r o h s * c o m p l i a n t t h i s s o t - 2 2 7 m o d u l e s w i t h f r e d r e c t i f i e r a r e a v a i l a b l e i n t w o b a s i c c o n f i g u r a t i o n s . t h e y a r e t h e a n t i p a r a l l e l a n d t h e p a r a l l e l c o n f i g u r a t i o n s . t h e a n t i p a r a l l e l c o n f i g u r a t i o n n s t 1 2 0 f 1 2 0 - a i s u s e d f o r s i m p l e s e r i e s r e c t i f i e r a n d h i g h v o l t a g e a p p l i c a t i o n . t h e p a r a l l e l c o n f i g u r a t i o n n s t 1 2 0 f 1 2 0 i s u s e d f o r s i m p l e p a r a l l e l r e c t i f i e r a n d h i g h c u r r e n t a p p l i c a t i o n . t h e s e m i c o n d u c t o r i n t h e s o t- 2 2 7 p a c k a g e i s i s o l a t e d f r o m t h e c o p p e r b a s e p l a t e , a l l o w i n g f o r c o m m o n h e a t s i n k s a n d c o m p a c t a s s e m b l i e s t o b e b u i l t . t h e s e m o d u l e s a r e i n t e n d e d f o r g e n e r a l a p p l i c a t i o n s s u c h a s p o w e r s u p p l i e s , b a t t e r y c h a r g e r s , e l e c t r o n i c w e l d e r s , m o t o r c o n t r o l , d c c h o p p e r, a n d i n v e r t e r s . s e m i c o n d u c t o r n s t 1 2 0 f 1 2 0 / n s t 1 2 0 f 1 2 0 - a r o h s r o h s n e l l h i g h p o w e r p r o d u c t s large creepage distance between term inal 3 2 1 4 3 2 1 4 p a r a l l e l n s t 1 2 0 f 1 2 0 a n t i - p a r a l l e l n s t 1 2 0 f 1 2 0 - a circ uit con figur ation appli catio ns switchin g power su pplies inverters converters snubbe r diodes uninte rrupti ble po wer su pplies (ups) motor controllers induct ion heatin g high s peed r ectifi ers pro duct sum mar y v r v (typical) at 125 oc f 12 00 v 2.0 v 38 ns 53a at 100 o c t (typical) rr i at t per diode f(dc) c absol ute maxim um ra tings p arameter symbol v 53 a 106 350 maximum pow er dissipation 337 w 135 t = 25 oc j t = 100 oc c t = 25 oc c p d i f s m i f v r c a t h o d e t o a n o d e v o l t a g e m a x i m u m c o n t i n u o u s f o r w a r d c u r r e n t s i n g l e p u l s e f o r w a r d c u r r e n t 600 units v alu es operating junct ion and storage tempe rature range t , t j stg - 55 to 150 c v i s o l rms isolation voltag e, any terminal to case t = 1 minute 2500 v test conditions t = 100 oc c per leg per module p a g e 1 o f 6
s e m i c o n d u c t o r r o h s r o h s p a g e 2 o f 6 oc unless otherw ise spec ified ) = 25 p ar ameter symbol tes t condition s v - = 120 a i f - - a - - 1200 1.8 250 2 - 2.5 pf 60 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 = 60 a i f = 60 a , t i = 125 oc f j maximum reverse leakage curre nt i rm junction capacitance 2.0 2.5 - - oc unless otherw ise spec ified ) = 25 p ar ameter symbol tes t conditions ns - - 400 470 dynami c recove r y charac terist ics perleg ( t j reverse recov ery time i f = 1.0 a, di /dt = -100 a/s, v =30 v, t = 25 c f r j 38 - a - 13 6 - nc - 4000 1200 - peak recovery c urrent reverse recov ery charage 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 = 60 a f di /dt = -200 a/s f v =800 v r - v fm c t v = 2 0 0 v r t = 1 5 0 c , v = v r a t e d j r r v = v r a t e d r r n s t 1 2 0 f 1 2 0 / n s t 1 2 0 f 1 2 0 - a i = 0 . 5 a , i = 1 . 0 a , i = 2 5 0 m a ( r g # 1 c k t ) f r r r 70 80 - - - - - - - - 2.3 - units max . typ . min . units max . typ . min . n e l l h i g h p o w e r p r o d u c t s = 25 oc unless otherw ise spec ified ) p ar ameter min . typ . max . units - - 0.25 0.05 therma l - m echani cal spec ifica tions ( t j junction to cas e, single leg co nducting r thjc 0.50 - - - 30 - junction to cas e, both legs cond ucting case to sink, fla t, greased surf ace w e i g h t m o u n t i n g t o r q u e r thcs - - - - 1.1 oc/w k/w g n m symbol ma
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 s t 1 2 0 f 1 2 0 / n s t 1 2 0 f 1 2 0 - a 10 -5 10 -4 10 -3 10 -2 10 -1 1.0 0.60 0.50 0.40 0.30 0.20 0.10 0 0.5 single pulse 0.1 0.3 0.7 0.9 0.05 fig.1b transient thermal impedance model t 2 t 1 p n o t e d m : 0.148 0.238 0.174 0.006 0.0909 0.524 power (watts) junction temp ( c) rc model case temperature ( c) t j = 125 c v r = 800v 600 500 400 300 200 100 0 30a 60a 120a fig.2 forward current vs. forward voltage fig.3 reverse recovery time vs. current rate of change ( a ) ( n s ) 0 0.5 1 1.5 2 2.5 3 3.5 0 200 400 600 800 1000 1200 200 180 160 140 120 100 80 60 40 20 0 f i g . 1 a m a x i m u m e f f e c t i v e t r a n s i e n t t h e r m a l i m p e d a n c e , j u n c t i o n - t o - c a s e v s . p u l s e d u r a t i o n r e c t a n g u l a r p u l s e d u r a t i o n ( s e c o n d s ) t h e r m a l i m p e d a n c e ( c / w ) , z j c a n o d e - t o - c a t h o d e v o l t a g e ( v ) , v f c u r r e n t r a t e o f c h a n g e ( a / s ) , - d i / d t f f o r w a r d c u r r e n t , i f r e v e r s e r e c o v e r y t i m e , t r r d u t y f a c t o r d = t / t 1 2 p e a k t = p x z + t dm j j c c n e l l h i g h p o w e r p r o d u c t s t = 1 5 0 c j t = 1 2 5 c j t = 2 5 c j t = - 5 5 c j
s e m i c o n d u c t o r r o h s r o h s p a g e 4 o f 6 n s t 1 2 0 f 1 2 0 / n s t 1 2 0 f 1 2 0 - a n e l l h i g h p o w e r p r o d u c t s 50 40 30 20 10 0 duty cycle = 0.5 90 80 70 60 50 40 30 20 10 0 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 600 500 400 300 200 100 0 ( p f ) fig.7 maximum average forward current vs. case temperature 120a 30a 60a fig.4 reverse recovery charge vs. current rate of change fig 5. reverse recovery current vs. current rate of change ( n c ) ( a ) 0 200 400 600 800 1000 1200 0 200 400 600 800 1000 1200 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 120a 60a 30a t rr q rr q rr t rr i rrm 0 25 50 75 100 125 150 25 50 75 100 125 150 175 1 10 100 200 c u r r e n t r a t e o f c h a n g e ( a / s ) , - d i / d t f c u r r e n t r a t e o f c h a n g e ( a / s ) , - d i / d t f r e v e r s e r e c o v e r y c h a r g e , q r r r e v e r s e r e c o v e r y c u r r e n t , l r r m f i g 6 . d y n a m i c p a r a m e t e r s v s . j u n c t i o n t e m p e r a t u r e j u n c t i o n t e m p e r a t u r e ( c ) , t j d y n a m i c p a r a m e t e r s , k f ( n o r m a l i z e d t o 1 0 0 0 a / s ) c a s e t e m p e r a t u r e ( c ) l ( a ) f ( a v ) f i g . 8 j u n c t i o n c a p a c i t a n c e v s . r e v e r s e v o l t a g e r e v e r s e v o l t a g e ( v ) , v r j u n c t i o n c a p a c i t a n c e , c j t = 1 2 5 c j v = 8 0 0 v r t = 1 2 5 c j v = 8 0 0 v r t = 1 7 5 c j
fig.9 reverse recovery parameter test circuit fig.10 reverse recovery waveform and definitions 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 i rrm l x rr rrm 2 q = rr (5) di / dt - peak rate of change of ( rec ) m current dur ing t b por tion of t rr s e m i c o n d u c t o r r o h s r o h s p a g e 5 o f 6 and t n s t 1 2 0 f 1 2 0 / n s t 1 2 0 f 1 2 0 - a n e l l h i g h p o w e r p r o d u c t s
s e m i c o n d u c t o r r o h s r o h s p a g e 6 o f 6 or de ring in forma tion t abl e 1 - f = fred family 2 - nell high power products 3 - current rating (120 = 120 a, 60a x 2 ) 4 - package indicator ( sot -227) 5 - v oltage rating (120 = 1200 v ) device code 5 1 3 2 4 6 6 n - st 120 120 n s t 1 2 0 f 1 2 0 / n s t 1 2 0 f 1 2 0 - a c i r c u i t t y p e , a f o r a n t i - p a r a l l e l t y p e - b l a n k f o r p a r a l l e l t y p e . n e l l h i g h p o w e r p r o d u c t s sot -227 all dimension s in millimete rs ( inches ) notes ? dimension ing and toleranc ing per ansi y 14.5 m -1982 ? controlling dime nsion : millimeter 38.30 (1.508) 37.80 (1.488) - a - 4 1 3 12.50 (0.492) 7.50 (0.295) ?4.40 (0.173) ?4.20 (0.165) 30.20 (1.189) 29.80 (1.173) 15.00 (0.590) 6.25 (0.246) 25.70 (1.012) 25.20 (0.992) - b - r full chamf er 2.00 (0.079) x 45 2.10 (0.082) 1.90 (0.075) 8.10 (0.319) 7.70 (0.303) 4 x 2.10 (0.082) 1.90 (0.075) - c - 0.12 (0.005) 12.30 (0.484) 11.80 (0.464) m m m 0.25 (0.010) c a b 4 x m 4 nuts 2
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