JANTX4N48 [Optek]

Hermetically sealed TO-78 package optically coupled isolator series featuring an infrared emitting diode and NPN silicon phototransistor. Key features include high current transfer ratio, 1 kV electrical isolation, and base contact for conventional transistor biasing. Devices are processed to MIL-PRF-19500 and are JEDEC registered, DSCC qualified. The suffix 'A' denotes the collector is electrically isolated from the case. Designed for military and harsh environments.