dl 957b thru dl 982b 0.5w silicon planar zener diodes features x zener voltage 6.8v to 75 x silicon planar power zener diodes x v z C tolerance 5% maximum ratings symbol value units zener current see table 1 power dissipation @ t a =25 : p tot 500 mw junction temperature t j 200 : storage temperature range t stg -65 to 200 : electrical characteristics @ 25 q c unless otherwise specified symbol maximum unit thermal resistance r ja 300 o c/w forward voltage @ i f =200ma v f 1.5 v note: valid provided that a distance of 8mm from case are kept at ambient temperature mechanical data
omp onents 20736 marilla street chatsworth
mcc tm micro commercial components www. mccsemi .com 1 of 3 a b c cat h ode m a rk 0.030 0.105 0.075 suggested solder pad layout minimelf dimensions inches mm dim min max min max note a .134 .142 3.40 3.60 b .008 .016 .20 .40 c .055 .059 1.40 1.50 ? 0.075 suggested solder pad layout minimelf dimensions inches mm dim min max min max note a .134 .142 3.40 3.60 b .008 .016 .20 .40 c .055 .059 1.40 1.50 ? ? glass package x marking : cathode band denotes polarity ? operating temperature: -65 c to +175 c revision: a 2011/01/01 moisture sensitivity level 1 this datasheet has been downloaded from http://www.digchip.com at this page free datasheet http:///
zener voltage 3) @test current maximum zener impedance 1) maximum reverse leakage current test-voltage maximum zener current v z i zt z zt z zk i zk i r 2) v r i zm 2) mcc part number v ma
ma a v ma dl 957b 6.8 18.5 4.5 700 1.0 150 5.2 47 dl 958b 7.5 16.5 5.5 700 0.5 75 5.7 42 dl 959b 8.2 15 5.5 700 0.5 50 6.2 38 dl 960b 9.1 14 5.5 700 0.5 10 6.9 35 dl 961b 10 12.5 5.5 700 0.25 5 7.6 32 dl 962b 11 11.5 5 700 0.25 5 8.4 28 dl 963b 12 10.5 11.5 700 0.25 5 9.1 26 dl 964b 13 9.5 13 700 0.25 5 9.9 24 dl 965b 15 8.5 16 700 0.25 5 11.4 21 dl 966b 16 7.8 17 700 0.25 5 12.2 19 dl 967b 18 7.0 21 750 0.25 5 13.7 17 dl 968b 20 6.2 25 750 0.25 5 15.2 15 dl 969b 22 5.6 29 750 0.25 5 16.7 14 dl 970b 24 5.2 33 750 0.25 5 18.2 13 dl 971b 27 4.6 41 750 0.25 5 20.6 11 dl 972b 30 4.2 49 1000 0.25 5 22.8 10 dl 973b 33 3.8 58 1000 0.25 5 25.1 9.0 dl 974b 36 3.4 70 1000 0.25 5 27.4 8.5 dl 975b 39 3.2 80 1000 0.25 5 29.7 7.8 dl 978b 51 2.5 125 1500 0.25 5 38.8 5.9 dl 979b 56 2.2 150 2000 0.25 5 42.6 5.4 dl 982b 75 1.7 270 2000 0.25 5 56 4.1 note: 1) the zener impedance is derived from the 1khz ac voltage which results when an ac current having an rms value equal to 10% of the zener current (i zt ) is superimposed on i zt zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) valid provided that leads are kept at ambient temperature at a distance of 8mm from case. 3) measured with device junction in thermal equilibrium. DL957B thru dl982b mcc tm micro commercial components www. mccsemi .com 2 of 3 revision: a 2011/01/01 free datasheet http:///
mcc tm micro commercial components www. mccsemi .com 3 of 3 revision: a 2011/01/01 device packing part number-tp tape&reel: 2.5kpcs/reel ordering information : *** i m p o r t a n t n o t ic e * ** m i c r o c o m m e r c i a l c o m p on e n ts c o r p . r e s e rve s t h e r i g h t t o m a k e c h a n g e s w i t ho u t f u r t h e r no t i c e t o a n y p r o d u c t h e r e i n t o m a k e c o rr e c t i o n s , m o d i f i c a t i o n s , e n h a n c e m e n t s , i m pr o v e m e n t s , o r o t h e r ch a n g e s . m i c r o c o m m e r c i a l c o mp o n e n ts c o r p . d o e s n o t a s s u m e a n y l i a b i l i t y a r i s i n g ou t o f t h e a p p l i c a t i on o r u s e o f a n y p r o d uc t d e sc r i be d h e r e i n ; n e i t h e r d o e s i t c o n v e y a n y li c e n s e un der i t s p a t e n t r i g h t s , n o r t h e r i g h t s o f o t h e r s . t h e u s e r o f pr o d uc t s i n s u c h a p p l i c a t i o n s sh a l l a ss u m e a l l r i s k s o f su c h u s e a n d w ill a g r ee t o h o l d m i c r o c o mm er c i a l c o m p o n e n t s c o r p . a n d a ll t h e c o m p a n i e s w ho s e p r o d u c t s a r e r e p r e s e n t ed o n ou r w e b s i t e , h a r m l e s s a g a i n s t a l l d a m a g e s. * * * l i f e s u p p o r t *** m c c ' s pr o d uc t s a r e n o t a u t h o r iz ed f o r u s e a s c r i t i c a l c o m p o n e n t s i n l i f e s u pp o r t d e v i c e s o r s y s t e m s w i t h ou t t h e e x pre ss wr i tt e n a p p r o v a l o f m i c r o c o mm e r c i a l c o m p o n e n t s c o rp o r a t i o n. * * * c u s t o m e r a w a r e n e ss*** c o un t e r f e i t i n g o f s e m i c o n d u c t o r p a r t s i s a gr o w i n g p r o b l e m i n t h e i n d u s t ry . m i c r o c o mm e r c i a l c o m p o n e n t s ( m cc ) i s t a k i n g s t r o n g m e a su r e s t o p r o t e c t ou r s e l v e s a n d o u r cu s t o m e r s f r o m t h e pr o l i f e r a t i on o f c o u n t e r f e i t p a r t s . m c c s t r o n g l y e nc o u r a g e s c u s t o m e r s t o p u r c h a s e m c c p a r t s e i t h e r d i r e c t l y f r o m m c c o r f r o m a u t ho r i z e d m c c d i s t r i b u t o r s w ho a r e l i s t e d b y c o u n t r y o n o u r w e b p a g e c i t ed below . p r o d uc t s c us t o m e r s b u y e i t h e r f r o m m c c d i r e c t l y o r f r o m a u t ho r i z e d m cc d i s t r i b u t o r s a r e g e n u i n e p a r t s , h a v e f ul l t r a c e a b il i t y , m e e t m c c ' s q u a l i t y s t a n d a r d s f o r h a n d li n g a n d s t o r a g e . m c c wi l l n o t p r o v i d e a n y w a rr a n ty c o v e r a g e o r o t h e r a s s i s t a n c e f o r p a r ts b o u g h t f r o m u n a u t h o r i z e d s o u r c e s. m c c i s c o m m i t t e d t o c o m b a t t h i s g l o b a l pr o b l e m a n d e n c ou r a g e o u r c u s t o m e r s t o d o t h e i r p a r t in s t o p p i n g t h i s p r a c t i c e b y b u y i n g d i r e c t o r f r o m a u t h o r i z ed d i s t r i b u t o r s. free datasheet http:///
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