The EL2630 and EL2631 consist of an infrared emitting diode optically coupled to an integrated high-speed photodetector logic gate with a stroboscopic output. They are packaged in an 8-pin DIP package and are available in wide-lead spacing and SMD options. https://elecena.pl/product/26559350/el2631-optocoupler-5kv-10mbd-dip-8 2024-07-27 https://elecena.pl/product/26559350/el2631-optocoupler-5kv-10mbd-dip-8 2026-02-12