BUY HCPL7800A-000 https://www.utsource.net/itm/p/6252124.html

Description: The HCPL7800A is a side-brazed, single channel optically coupled logic gate with a GaAsP LED. Features: - Phototransistor output - Low LED turn-on current (2.0 mA) - High sensitivity (150 μA) - Blocking voltage up to - 5300 Vrms - Input-output isolation voltage (Viso) 5300 Vrms Applications: - Sensor interface - Photointerrupter applications - Isolated signal interface - Switching power supply control - Logic buffer interface (For reference only)