TLP5701 (TP,E) is an opto-coupler photocoupler manufactured by Toshiba. It is a single channel logic output type photo IC. It has an I/O isolation voltage of 5,000 VRMS and a CTR range of 502~5,000%. This component has a peak current transfer ratio of 1 A and a typical current transfer ratio of 0.5 A. It has a 4-pin DIP (dual in-line package). The power consumption of the TLP5701(TP,E) is 0.5 W. The TLP5701(TP,E) is used for coupling, isolated switch, line transmitter/receiver, logic circuit isolation, and pulse transformer isolation circuits. It is ideal for applications such as medical equipment, home appliances, office automation, and telecommunications.