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 KINGBRIGHT
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3 page 
PHOTOCOUPLER KB814 SPEC NO: DSAD1533 REV NO: V.3 DATE: JUN/19/2003 PAGE: 3 OF 8 APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: Y.H.LI Transfer charact- eristics Response time Rise time Fall time t VCE=2V, IC=2mA RL=100 Ω 3 18 4 18 μ μ Forward voltage * Electro-optical Characteristics Current transfer ratio Peak forward voltage Collector dark current Collector-emitter saturation voltage Input Output IFM=± 0.5A 3.0 VFM VCE(sat) CTR ICEO IF=± 20mA, IC=1mA IF=± 1mA, VCE=5V 0.1 0.2 20 300 VCE=20V,IF=0mA -7 10 Parameter VF Symbol IF=± 20mA Conditions 1.2 1.4 Typ. Min. Max. V V % A V Unit t f r Classification table of current transfer ratio is shown below. X 100% CTR= Ic F I Model NO. Rank mark CTR(%) KB814L L 20~60 KB814A A 50~150 KB814B B 120~300 KB814LA L or A 20~150 KB814AB A or B 50~300 KB814 L,A,B or No mark 20~300 (Ta=25 C) ° |
