page . 1 rev.0.1-feb.11.2009 data sheet bas21a/c/s .083(2.10) .020(.50) .006(.15) .119(3.00) .056(1.40) .103(2.60) .044(1.10) .007(.20)min .066(1.70) .006(.15)max .013(.35) .002(.05) .110(2.80) .047(1.20) .086(2.20) .035(0.90) sot- 23 unit: inch (mm) surface mount, high voltage, dual switching diodes voltage 250 volts 250mwatts features ? high reverse bearkdown voltage. ? fast switching speed. ? low reverse leakage current. ? surface mount package ideally suited for automatic insertion. ? galvanically isolated dual configurations to save board space. ? 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 : bas21a:21a, bas21c:21c, bas21s:21s power absolute ratings common anode 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 m u m i x a m 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 5 2 = p m e t t a t n e r r u c d e i f i t c e r e g a r e v a o ci o 2 . 0a m s 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 e p e r - n o n i fsm a 4.0 thermal characteristics r e t e m a r a pl o b m y se u l a vs t i n u n o i t a p i s s i d r e w o p p tot 0 5 2w m 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 r ja 7 5 3 o w / c e r u t a r e p m e t n o i t c n u j t j 0 5 1 o c e r u t a r e p m e t e g a r o t s t stg 0 5 1 o t 5 5 - o c series common cathode bas21a bas21c bas21s 1 3 2 2 3 1 3 2 1
page . 2 rev.0.1-feb.11.2009 100 1000 01.0 2.0 10 1.0 0.1 0.01 6.0 0 4.5 3.0 1.5 0 246 8 t=25c j o 0 200 300 400 500 100 50 100 150 200 p power dissipation (mw) d , diode capacitance, pf ambient temperature( c) o forward voltage, volts reverse voltage, volts forward current, ma 0 t , junction temperature, c j o i , leakage current, ua r 0.01 0.1 1.0 10 100 100 200 fig.2 leakage current vs junction temperature fig. 1-typical forward characteristic fig. 4 power derating curve fig. 3 typical junction capacitance electrical characteristics 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 (br) i r 0 0 1 =ua - -- -0 5 2v t n e r r u c e s r e v e ri r v r 0 0 2 =v v r 0 0 2 =, vt j =0 5 1 o c - -- - 1 . 0 0 0 1 a u e g a t l o v d r a w r o fv f i f 0 . 1 =ma i f 0 0 1 =ma - -- - 0 7 . 0 0 0 . 1 v e c n a t i c a p a c n o i t c n u j m u m i x a mc j v r , v 0 =f h m 0 . 1 = z - -- -0 . 5f p e m i t y r e v o c e r e s r e v e rr r ti f i = r 0 3 =m, ar l 0 0 1 = - -- -0 5s n electrical characteristics curves
page . 3 rev.0.1-feb.11.2009 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.
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