1 of 2 surface mount schottky barrier diode SDM03U40 features maximum ratings @ t a = 25 c unless otherwise specified low forward voltage drop guard ring die construction for transient protection ideal for low logic level applications low capacitance mechanical data characteristic symbol value unit peak reverse voltage v rm 40 v dc reverse voltage v r 30 v rms reverse voltage v r(rms) 21 v average rectified current i o 30 ma non-repetitive peak forward surge current @8.3ms single half sine-wave superimposed on rated load (jededc method) i fsm 200 ma power dissipation (note 2) p d 150 mw thermal resistance, junction to ambient (note 2) r ja 667 c/w operating and storage temperature range t j, t stg -40 to +125 c electrical characteristics characteristic symbol min typ max unit test conditions reverse breakdown voltage (note 3) v (br)r 40 v i r = 10ua forward voltage drop v f 290 370 mv i f = 1ma peak reverse current (note 3) i r 0.5 a v r = 30v total capacitance c j 2 pf v r = 1v, f = 1.0 mhz @ t a = 25 c unless otherwise specified case: sod-523, molded plastic marking code: lk weight: 0.002 grams (approx.) b a c d g e sod-523 dim min max a 1.50 1.70 b 1.10 1.30 c 0.25 0.35 d 0.70 0.90 e 0.10 0.20 g 0.50 0.70 all dimensions in mm note: 1. if lead-bearing terminal plating is required, please contact your diodes inc. sales representative for availability an d minimum order details. 3. short duration pulse test used so as to minimize self-heating effect. 2. part mounted on fr-4 board with recommended pad layout www.sunmate.tw ! ! ! ! ! ! ! !
2 of 2 0.1 0.2 0.5 1 5 2 10 0 4 8 12 16 20 24 28 t , reverse recovery time (ns) rr i , forward current (ma) f fi g .5 t y pical reverse recover y time characteristics 0.1 1 10 100 0 5 10 15 20 25 c , total capacitance (pf) t v , reverse voltage (v) r fi g . 4 total capacitance vs. dc volta g e f = 1mhz 0 5 10 15 20 25 30 35 i , instantaneous reverse current (a) r v , instantaneous reverse voltage (v) r fi g .3 t y pical reverse characteristics t = +125oc a t = 75oc a t = 25oc a t = -25oc a 100n 10n 1n 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 i , instantaneous forward current (a ) f v , instantaneous forward voltage (v) f fi g .2 t y pical forward characteristics t = +125oc a t = +75oc a t = +25oc a 100m 1m 10m 1 0 50 025 50 75 100 125 p , power dissipation (mw) d t , ambient temperature ( c) a fi g . 1 deratin g curve 100 200 150 www.sunmate.tw
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