BUY GI751-E3/54 https://www.utsource.net/itm/p/11671149.html

The GI751-E3/54 is a dual-channel optocoupler from Vishay. It is a DIP2 package and features a high isolation voltage of 5.2 kVrms. This optocoupler is designed for use in power supply, motor control, and industrial automation applications. It features a low propagation delay of 0.5 μs and a high common mode transient immunity of 15 kV/μs. The optocoupler is also RoHS compliant and UL recognized. (For reference only)