Optocoupler circuit, optocoupler as a switch, high speed optocoupler - tatanh1983/conchodom GitHub Wiki PS2501 Series Single Channel 80 Vce 5000 Vrms SMT Photocoupler - DIP-4 https://www.futureelectronics.com/p/semiconductors--optoelectronics--isolation-components-optocouplers/ps2501l-1-f3-a-renesas-1397785