ElectronicsThe OR-3H4B-TP-G is a type of optocoupler manufactured by Orient Electronics. It is an RoHS compliant component, which features a phototransistor output. It is equipped with a threshold voltage of 0.1V@1mA, a breakdown voltage of 3750V, a forward current of 50mA, and a peak forward surge current of 20mA. Additionally, it operates on a power supply of 80V, with a collector-emitter saturation voltage of 1.2V and a collector-emitter voltage of 1 6V. This optocoupler is especially designed to be soldered onto the SOP-4 package.