4N25 Pinout Datasheet – Phototransistor – Fairchild

Part Number : 4N25


Package : DIP 6 Pin type

Manufacturers : Fairchild Semiconductor


4N25 optocoupler

Description :

The 4N25, 4N26, 4N27 and 4N28 devices consist of a gallium arsenide infrared emitting diode optically coupled to a monolithic silicon phototransistor detector.

1. Most Economical Optoisolator Choice for Medium Speed, Switching Applications

2. Meets or Exceeds All JEDEC Registered Specifications



4N25 pinout


Features :

1. Also available in white package by specifying -M suffix, eg. 4N25-M

2. UL recognized (File # E90700)

3. VDE recognized (File # 94766)

(1) Add option V for white package (e.g., 4N25V-M)

(2) Add option 300 for black package (e.g., 4N25.300)


Applications :

1. General Purpose Switching Circuits

2. Interfacing and coupling systems of different potentials and impedances

3. I/O Interfacing

4. Solid State Relays


4N25 Pinout Datasheet

4N25 pdf


Other data sheets within the file : 4N26, 4N27, 4N28, 4N35

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