page . 1 rev.0.1-feb.4.2009 BAS121/a/c/s surface mount high voltage, low leakage switching diode voltage 250 volts 250 mw features ? high reverse blocking voltage ? extremely low reverse leakage current ? surface mount package ideally suited for automatic insertion ? in compliance with eu rohs 2002/95/ec directives mechanical data case : sot-23, plastic terminals : solderable per mil-std-750, method 2026 approx weight : 0.008 gram marking : p8 power absolute ratings thermal characteristics r e t e m a r a pl o b m y se u l a vs t i n u t n e i b m a o t n o i t c n u j , e c n a t s i s e r l a m r e h t ) 1 ( r ja 0 0 5 o w / c note 1. fr-5 board = 1.0 x 0.75 x 0.062 in single r e t e m a r a pl o b m y se u l a vs t i n u e g a t l o v e s r e v e r v r 0 5 2v e g a t l o v e s r e v e r k a e p v rrm 0 5 2v t n e r r u c d r a w r o f s u o u n i t n o c i f 2 . 0a 0 . 1 = t t a t n e r r u c e g r u s d r a w r o f k a e p e v i t i t c e p e r - n o n si fsm 0 . 4a n o i t a p i s s i d r e w o p ) 1 ( p tot 0 5 2w m e r u t a r e p m e t e g a r o t s d n a n o i t c n u j t j ,t stg 0 5 1 o t 5 5 - o c common anode common cathode series BAS121 BAS121a BAS121c BAS121s
page . 2 rev.0.1-feb.4.2009 BAS121/a/c/s electrical characteristics (t a =25 o c , unless otherwise noted) electrical characteristics curve 0 50 100 150 200 250 300 10 1 0.1 0.01 0.001 reverse voltage, v (v) r reverse voltage, v (v) r reverse current,i (na) r reverse current,i (na) r 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1000 100 10 1 0.1 forward voltage,v (v) f forward voltage,v (v) f forward current,i (ma) f forward current,i (ma) f 0 10 20 30 40 50 60 70 80 90 100 3 2.5 2 1.5 1 0.5 0 reverse voltage,v (v) r reverse voltage,v (v) r capacitance, c(pf) capacitance, c(pf) t=75c j o t=75c j o t=25c j o f=1mhz t=25c j o t =125 c j o t =125 c j o fig. 1-reverse characterististics fig. 3-capacitance fig. 2-forward characteristics electrical characteristics curves r e t e m a r a pl o b m y sn o i t i d n o c t s e t. n i m. p y t. x a ms t i n u e g a t l o v n w o d k a e r b e s r e v e rv ) r b ( i r 0 0 1 = a0 5 2--v e g a t l o v d r a w r o fv f i f a m 1 = i f a m 0 0 1 = i f a m 0 5 = i f a m 0 5 1 = - - - - 0 9 . 0 0 0 . 1 0 1 . 1 5 2 . 1 v v d e t a r t a t n e r r u c e s r e v e r r i r t j 5 2 = o c t j 0 5 1 = o c - - - - 5 0 0 . 0 0 1 a e c n a t i c a p a c l a t o tc t v ; z h m 0 . 1 = f r v 0 =--0 . 5f p e m i t y r e v o c e r e s r e v e rt r r i f i = r r , a m 3 = r r i , a m 0 3 = l 0 0 1 = ? -- 0 0 0 3s n
page . 3 rev.0.1-feb.4.2009 mounting pad layout ? packing information t/r - 12k per 13" plastic reel t/r - 3k per 7? plastic reel order information legal statement copyright panjit international, inc 2009 the information presented in this document is believed to be accurate and reliable. the specifications and information herein are subject to change without notice. pan jit makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. pan jit products are not authorized for use in life support devices or systems. pan jit does not convey any license under its patent rights or rights of others. BAS121/a/c/s
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