BUY TCST1000 https://www.utsource.net/itm/p/1908625.html

Description: TCST1000 is an optically coupled isolator containing a GaAs infrared emitting diode and a NPN silicon phototransistor. Features: - High isolation voltage (5000Vrms) - Low input current (1mA) - Low output saturation voltage (0.2V) - High common mode transient immunity (CMH > 30kV/μs) - Low coupling capacitance (0.2pF) Applications: - Isolation of digital signals - Isolation of analog signals - Isolation of power supplies - Isolation of motor control circuits - Isolation of audio signals (For reference only)