The LTV-357T-B with Transistor Output Optocouplers P/C LTV-357T BIN B (2.0) STD. TYPE is manufactured by Lite-On. It is an optocoupler with a transistor output. It has an input current of 7 mA and an output current rating of 10 mA. It is a single channel, open collector optocoupler featuring high isolation capacity and low coupling capacitance. It also features LED indicator, an automatically resetting isolator safety circuit and a zero cross detection with delay circuit. It comes with a built-in high gain open-collector transistor and is powered by an external 5V supply. It is UL approved and designed for use in data communications, signal transmission, industrial control and power supplies.