4 PIN DIP PHOTOTRANSISTOR
AC INPUT PHOTOCOUPLER
Everlight Electronics Co., Ltd. 3 http://www.everlight.com
Document No:DPC-814-032 Rev. 2 August , 14 2008
EL814 Series
Electrical Characteristics (Ta=25°C unless specified otherwise)
Input Parameter Symbol Min. Typ.* Max. Unit Condition
Forward voltage VF - 1.2 1.4 V
IF = ± 20mA
Input capacitance Cin - 50 250 pF V = 0, f = 1KHz
Output Parameter Symbol Min. Typ.* Max. Unit Condition
Collector-Emitter dark
current ICEO - - 100 nA
VCE = 20V, IF = 0mA
Collector-Emitter
breakdown voltage BVCEO 80 - - V IC = 0.1mA
Emitter-Collector
breakdown voltage BVECO 6 - - V
IE = 0.1mA
Transfer Characteristics (Ta=25°C unless specified otherwise)
Parameter Symbol Min. Typ.* Max. Unit Condition
EL814 20 - 300
Current Transfer
ratio EL814A CTR 50 - 150
% IF = ±1mA ,VCE = 5V
CTR Symmetry 0.7 1.3 IF = ±1mA ,VCE = 5V
Collector-emitter saturation
voltage VCE(sat) - 0.05 0.2 V IF = ±20mA ,Ic = 1mA
Isolation resistance RIO 5×1010 1011 - Ω VIO = 500Vdc, 40~60%R.H
Cut-off frequency fc - 80 - kHz
VCE=5V, IC=2 mA,
RL=100Ω, -3dB
Floating capacitance CIO - 0.6 1.0 pF
VIO = 0, f = 1MHz
Rise time Tr - 7 18
µs
Fall time Tf - 11 18
µs VCE=2V, IC=2mA,RL=100Ω
* Typical values at Ta = 25°C