PhotocouplerLTV-8X7 Series4.2ELECTRICAL OPTICAL CHARACTERISTICS at Ta=25°CParameterSymbolMin.Typ.Max.UnitTest Condition Forward Voltage VF — 1.2 1.4 V IF=20mA Input Reverse Current IR — — 10 µA VR=4V Terminal Capacitance Ct — 30 250 pF V=0, f=1KHz Collector Dark Current ICEO — — 100 nA VCE=20V, IF=0 Collector-Emitter Output BVCEO 35 — — V IC=0.1mA, IF=0 Breakdown Voltage Emitter-Collector BVECO 6 — — V IE=10µA, IF=0 Breakdown Voltage Collector Current IC 2.5 — 30 mA IF=5mA, VCE=5V 1. Current Transfer Ratio CTR 50 — 600 % Collector-Emitter VCE(sat) — 0.1 0.2 V IF=20mA, IC=1mA Saturation Voltage DC500V, Isolation Resistance R TRANSFER iso 5×1010 1×1011 — Ω 40 ~ 60% R.H. CHARACTERISTICS Floating Capacitance Cf — 0.6 1 pF V=0, f=1MHz VCE=5V, IC=2mA Cut-off Frequency fc — 80 — kHz RL=100Ω,-3dB Response Time (Rise) tr — 4 18 µs VCE=2V, IC=2mA RL=100Ω, Response Time (Fall) tf — 3 18 µs I C 1. CTR = × 100% I F 9/17 P art N o. : L TV-8 X7 s eries BNC-OD-FC002/A4 Rev.: Q