page . 1 rev.0.1-feb.23.2009 data sheet mmbd770w surface mount schottky diodes voltage 70 volts 2 00ma features ? extremely low minority carrier lifetime ? low capacitance ( 0.4pf @ 20v typical ) ? low reverse leakage ( 30na @ 35v typical ) mechanical data case: so t-323, plastic terminals: solderable per mil-std-202 g, method 208 approx. weight: 0.0048 gram maximum ratings ratings at 25 o c ambient temperature unless otherwise specified. power . in compliance with eu rohs 2002/95/ec directives ? surface mount package ideally suited for automatic insertion marking : 770 .087(2.2) .054(1.35) .056(1.40) .006(.15) .016(.40) .087(2.2) .044(1.1) .004(.10)min. .070(1.8) .045(1.15) .047(1.20) .004(.10)max. .002(.05) .0 08(.20) .078(2.0) .035(0.9) sot-323 unit: inch (mm) parameter symbol value unit maximum reverse voltage v r 70 v peak reverse voltage v rrm 70 v continuous forward current i f 0.25 a power dissipation (1) p tot 180 mw thermal resistance , junction to ambient (1) r qj a 556 o c/w junction temperature t j -50 to 125 o c storage temperature t stg -50 to 150 o c notes : 1. fr-5 board = 1.0 0.75 0.062 in. electrical characteristics (t a =25 o c, unless otherwise noted) parameter symbol test condition min. typ. max. unit reverse breakdown voltage v (br) i r =10ua 70 - - v reverse current i r v f =35v - - 0.2 ua forward voltage v f i f =1ma i f =10ma - - - - 0.5 1.0 v total capacitance c t v r =20v, f =1mhz - - 1.0 pf
page . 2 characteristic curves 0.01 0.1 1 10 100 0 20 40 60 80 reverse voltage, v r (v) reverse leakage, i r (ua) t j = 75 c t j = 125 c t j = 25 c 0.1 1 10 100 0 0.2 0.4 0.6 0.8 1 forward voltage, v f (v) forward current, i f (ma) t j = 75 c t j = 25 c t j = 125 c t j = -25 c fig. 1. typical reverse leakage fig. 2. typical forward voltage 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 10 20 30 40 50 60 v r , reverse voltage (v) total capacitance, c t (pf) fig. 3. typical total capacitance rev.0.1-feb.23.2009
page . 3 rev.0.1-feb.23.2009 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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