Description The EL817 device consist of the infrared emitting diode, optically coupled to a phototransistor detector. Its packaged in a 4-pin DIP package and is available in wide-lead spacing. 2...
Description PC817 Photocoupler IC has a transistor that is controlled based on light (photon). So this IC basically has an IR (infrared) LED and a photo-transistor inside it. When the...
