s e m i c o n d u c t o r n k f d 3 0 0 s e r i e s r o h s r o h s ultraf ast soft reco ver y diode, 3 00 a fe atures very low q and t rr rr lead (pb )-fre e designed and qualified for industrial level benef its reduced rfi and emi reduced snubbing descr iptio n fred diodes are optimiz ed to reduce losses and emi / rfi in high frequency po w er conditioning systems . an extensive pro duct sum mar y i f ( av ) v r 30 0 a 200 to 600 v n ell high power products fred character ization of the recovery behavior for dif ferent values of curr ent. te mperature and dl/ dt simp lifies the cal culations of losses in the operating condition s. the sof tness o f the recovery eliminate s the need fo r a s nubber in most applicati ons. these d evices are ide ally su ited fo r power converter s, moto rs driv es and other a pplicatio ns wher e switching losses are sig nificant portion of the total l osses. a l l d i m e n s i o n s i n m i l l i m e t e r s 800 .5 920.5 350.5 600.3 2 7 0 . 5 14 0.5 2 5 0 . 5 1 2 m6 dp10 .5 o 6.4 0.2 mounting hole nkfd300 n e l l 9 . 3 0 . 2 1 7 0 . 3 3 0 . 2 1 3 0 . 2 1 7 . 3 m a x n o n - i s o l a t i o n baseplate common anode with suffix " a " for common anodes to baseplate lug 1 2 1 2 absol ute maxim um ra tings p aramet er cathod e to anode voltage 200 to 600 continuous forwa rd current a single pulse forward current maximum power dissipati on operating junct ion and storage tempe ratures range - 40 to 150 c i a t t f ( d c ) c 3 0 0 a a t 8 5 o c n o n - r e p e t i t i v e a v a l a n c h e e n e r g y units v alues test conditio symbol v p a g e 1 o f 4 v r i f i f s m e a s p d t , t j s t g t = 2 5 o c c t = 8 5 o c c t = 1 0 0 o c c 3 6 0 3 0 0 1 5 0 1 2 0 0 1 . 4 6 2 5 2 5 0 w m j t = 2 5 o c c t = 1 0 0 o c c l i m i t e d b y j u n c t i o n t e m p e r a t u r e l = 1 0 0 h , d u t y c y c l e l i m i t e d b y m a x i m u m t j baseplate common cathode
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 4 dynam ic recov er y chara cteri sti cs ( t j = 25 unle ss otherwis e spec ifie d ) oc p aramet er symbol test conditi ons min . typ . max . units reverse recovery time t rr i = 0.5a, i = 1a, i = 0.25a f r rr 30 ns t j = 25 oc i f = 60 a di f / dt = 200 a / s v r = 200 v t j = 125 oc peak recovery current l rrm t j = 25 oc a t j = 125 - oc rev erse recovery charge q rr t j = 25 - oc nc t j = 125 oc therma l - mec han ical spe cif ica tio ns p ar ameter thermal r esistance, junction to case - k / w typical thermal resistance, case to h eatsink weight mounting torque (baseplate), m6 (1) n ? m terminal torqu e (terminal), m6 7 5 4 4 0 - 9 0 - - 1 8 - - 7000 1100 20 n ell high power products 2 9 0 8 . 7 n k f d 3 0 0 s e r i e s elect rical speci fica tions ( t j = 25 unles s otherwis e specifie d ) oc p ara meter cathode to anode breakdown voltage v br i = 100 a r v maximum forward voltage = 150 a i f i f = 320 a maximum reverse leakage current junction capacitan ce v = 200 v r p f a - - - 2 0 0 t o 6 0 0 - - - i f = 150 a , t = 100 oc j v f l r t = 125 oc, v = v j r rrm c t units max . typ . min . test condi tions symbo l 1 . 1 1 . 3 5 1 . 3 1 . 5 4 1 1 . 2 0 . 9 3 3 7 0 5 0 0 5 - series inductance l s f r o m t o p o f t e r m i n a l h o l e t o m o u n t i n g p l a n e t j = 25 - oc a/ s t j = 125 oc - - - 1 4 0 420 2600 300 280 p e a k r a t e o f r e c o v e r y c u r r e n t d l ( r e c ) / d t units max . typ . min . symbo l m a x i m u m j u n c t i o n a n d s t o r a g e t e m p e r a t u r e r a n g e p e r l e g p e r m o d u l e t , t j s t g r t h j c r t h c s 4 3 oz . g c / w c 1 5 0 0 . 2 3 0 . 1 1 5 - - - - 4 0 - - - 0 . 1 2 9 5 3 . 4 - - - - - - - n o t e ( 1 ) m o u n t i n g s u r f a c e m u s t b e s m o o t h , f l a t , f r e e o f b u r r s o f o t h e r p r o t r u s i o n s . a p p l y a t h i n e v e n f i l m o r t h e r m a l g r e a s e t o m o u n t i n g s u r f a c e . . g r a d u a l l y t i g h t e n e a c h m o u n t i n g b o l t i n 5 t o 1 0 l b f i n s t e p s u n t i l d e s i r e d o r m a x i m u m t o r q u e l i m i t s a r e r e a c h e d .
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 3 o f 4 n ell high power products n k f d 3 0 0 s e r i e s 3 1 n k f d 3 0 0 - 4 0 a 1 fred family , to -244 package 2 - 3 - average current rating 4 - blank for common cathode , " a " for common anode v o l t a g e c o d e x 1 0 = v r r m - ordering information t abel device code 2 4
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 4 n ell high power products n k f d 3 0 0 s e r i e s 0 0 100 4 8 2 6 10 20 60 80 40 1 5 0 2 0 0 0 . 1 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 2 0 0 3 0 0 4 0 0 3 0 6 0 9 0 1 2 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 trr test 4.55ms 30us 20us 450us i f = + 0 . 5 a 9 0 % i f t r r 9 0 % i r t f < 1 2 n s i r = - 1 a 4 0 v 5 0 v d . u . t t o s c o p e b n c 3 0 2 0 5 0 1 0 4 0 5 0 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 1 0 1 0 0 1 0 0 0 0 . 4 0 . 8 1 . 2 1 . 6 2 . 0 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 m p s ( p e r l e g ) f i g . 1 t y p i c a l f o r w a r d c h a r a c t e r i s t i c s a v e r a g e f o r w a r d r e c t i f i e d c u r r e n t a m p s ( p e r l e g ) f i g . 2 f o r w a r d d e r a t i n g c u r v e c c a s e t e m p e r a t u r e - c i n s t a n t a n e o u s f o r w a r d v o l t a g e - v v a m p s ( p e r l e g ) p e a k f o r w a r d s u r g e c u r r e n t f i g . 3 p e a k f o r w a r d s u r g e c u r r e n t c y c l e s n u m b e r o f c y c l e s a t 6 0 h z - c y c l e s i n s t a n t a n e o u s r e v e r s e l e a k a g e c u r r e n t m a ( p e r l e g ) f i g . 4 t y p i c a l r e v e r s e c h a r a c t e r i s t i c s t j = 2 5 c s i n g l e p h a s e , h a l f w a v e 6 0 h z r e s i s t i v e o r i n d u c t i v e l o a d t j = 1 5 0 c t j = 1 2 5 c t j = 2 5 c f i g . 5 r g # 1 t e s t c i r c u i t r e v e r s e v o l t a g e - v v 0
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