4N25 Datasheet, Vishay

A C NC 1 2 3 6 B 5 C 4 E
* Isolation test voltage 5000 VRMS
* Interfaces with common logic families
* Input-output coupling capacitance < 0.5 pF
* Indust.

* AC mains detection
* Reed relay driving DESCRIPTION The 4N25 family is an industry standard single channel ph.

The 4N25 family is an industry standard single channel phototransistor coupler. This family includes the 4N25, 4N26, 4N27, 4N28. Each optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor.
* Switch mode power su.