4N28M - Phototransistor Optocoupler
The general purpose optocouplers consist of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 6-pin dual in-line package.
Functional Block Diagram 1 6 2 5 3 NC 4 PIN 1.
ANODE 2.
CATHODE 3.
NO CONNECTION 4.
EMITTER 5.
COLLECTOR 6.
BASE 6 1 6 1 6 1 ©2005
