Triac & SCR Output Optocouplers 4N39300 - ON Semiconductor / Fairchild Apr 6, 2021 ON Semiconductor / Fairchildx Buy On ON Semiconductor / Fairchild 4N39300 online at OMO. View 4N39300 datasheets, 4N39300 stock and 4N39300 pricing. 4N34N394N393 Read More