Single Channel, DC Sensing Input, Phototransistor Optocoupler In Half-Pitch Mini-Flat 4-Pin Package Features: Current Transfer Ratio Ranges from 80 to 600% at IF = 5 mA, VCE = 5 V, TA = 25C -FODM217A - 80 to 160% - FODM217B - 130 to 260% - FODM217C - 200 to 400% - FODM217D - 300 to 600%; Safety and Regulatory Approvals: - UL1577, 3750 VACRMS for 1 min - DIN EN/IEC60747-5-5, 565 V Peak Working Insulation Voltage; Applicable to Infrared Ray Reflow, 260C