page . 1 july 20.2010-rev.01 BAT721C / bat721s fig.16 common cathode common cathode fig.17 series .120(3.04) .079(2.00) .070(1.80) .004(0.10) max. .006(0.15)min. .008(0.20) .003(0.08) schottky barrier (double) diodes voltage 40 volts 200 ma current features ? low forward voltage ? guard ring protected ? small plastic smd package ? ultra high-speed switching ? in compliance with eu rohs 2002/95/ec directives mechanical data ? case: sot-23, plastic ? terminals: solderable per mil-std-750, method 2026 ? weight: 0.0003 ounce, 0.0084 gram limiting values thermal characteristics 1. in accordance with the absolute maximum rating system (iec 134). parameter conditions symbol min. max. unit continuous reverse voltage v r -40v continuous forward current i f - 200 ma non repetitive peak forward current tp=8.3ms half sinewave jedec method i fsm -1a storage temperature range t stg -65 +150 o c junction temperature t j - 125 o c parameter symbol BAT721C bat721s unit marking code - 72c 72s - thermal resistance from junction to ambient r ja 556 o c/w circuit fight - common cathode series - 2. refer to sot23 standard mounting conditions. 3. mount on fr-5 1x0.75x0.062 in. pan jit reserves the right to change the specification any time without notice in order to improve the design and supply the best possible product.
page . 2 july 20.2010-rev.01 BAT721C / bat721s electrical characteristics parameter symbol conditions min. max. unit continuous forward voltage v f i f =10ma i f =100ma i f =200ma - 300 420 550 mv continuous reverse current i r v r =30v - 15 p a v r =30v,t j =100 o c-3 diode capacitance c d f=1mhz,v r =0 40 50 p f 4. pulse test : tp <300 p s, g < 0.02. tj=25c unless otherwise specified. fig. 1- reverse leakage current vs. junction temperature fig. 2- typical junction capacitance under bias fig. 3 typical forward voltage junction temperature t , c j reverse bias voltage v , v r forward voltage v , v f 10 100 1000 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 10 100 1000 10000 0 20 40 60 80 100 120 140 vr =40v 0 5 10 15 20 25 0 1020304050 forward current i , ma f junction capacitance c , pf j reverse leakage current i , a r
page . 3 july 20.2010-rev.01 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 2010 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. BAT721C / bat721s
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