DESCRIPTION

The 4N39 and 4N40 have a gallium-arsenide infrared emitting diode optically coupled with a light activated silicon controlled rectifier in a dual in-line package.

FEATURES

• 10 A, T2L compatible, solid state relay

• 25 W logic indicator lamp driver

• 400 V symmetrical transistor coupler

• Underwriters Laboratory (UL) recognized - File #E90700

APPLICATIONS

• Low power logic circuits

• Telecommunications equipment

• Portable electronics

• Solid state relays

• Interfacing coupling systems

of different potentials and impedances.