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| 68 dimensions: in. (mm) all temperatures are ambient unless otherwise noted. data subject to change without notice. tel: 559.651.1402 fax: 559.651.0740 www.voltagemultipliers.com www.highvoltagepowersupplies.com 8711 w. roosevelt ave. visalia, ca 93291 usa voltage multipliers inc. voltage multipliers inc. oc 250 electrical characteristics led ? forward voltage (if = 100 ma) 9.0 v ? reverse leakage current 10na vr = 20 v photodiode ? foward voltage (if = 0.6 a) 36 v max ? reverse leakage current vr = 25 kv, i led = 0 ma 250 na typical vr = 25 kv, i led = 100 ma 100 a typical coupled ? dc current transfer ratio 0.068% (i led = 50 ma, vr = 25 kv) ? t on 2 s ? t off 2 s (25c unless otherwise noted) led ? forward dc current 100 ma ? surge current 2.5 a ? reverse voltage 20 v ? power dissipation (25c) 1.0 w photodiode ? reverse voltage 25,000 v ? power dissipation 2.5 w ? storage temperature -40c to +125c ? operating temperature -40c to +100c ? isolation test voltage 25 kv (pins 1 and 2 to - pins 3 and 4) absolute maximum ratings tolerance: .xx .020 .xxx .010 simplified circuit schematic opto coupler ? epoxy molded
69 7 1.0 10.0 100.0 1000.0 25 75 125 0.0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 -40 -30 -20 -10 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 80 90 100 0 200 400 600 800 1000 0 20 40 60 80 100 120 0 20 40 60 80 100 temperature (c) temperature (c) led current (ma) percent gain reverse current (a) diode current (a) percent of initial gain time (hours) photodiode reverse current vs. temperature at vrwm led current vs. diode current OC250 gain degradation over time optocoupler gain vs. temperature |
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