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TLP542G is a 7-pin optocoupler manufactured by Toshiba. It is a photocoupler consisting of an infrared LED and a phototransistor. It is used to isolate two circuits electrically and optically. Description: The TLP542G is an optocoupler with a 7-pin DIP package. It consists of an infrared LED and a phototransistor. The LED is driven by a current of 5mA and the phototransistor has a collector-emitter voltage of 80V. The optocoupler has a high common mode transient immunity of 15kV/us and a CTR of 50-400%. Features: 7-pin DIP package High common mode transient immunity of 15kV/us CTR of 50-400% Collector-emitter voltage of 80V LED driven by a current of 5mA Application: The TLP542G optocoupler is used in applications such as motor control, power supplies, and industrial automation. It is also used to isolate two circuits electrically and optically. (For reference only)