MJ4035 Datasheet PDF - Comset Semiconductors

MEDIUM POWER COMPLEMENTARY SILICON TRANSISTORS

They are silicon epitaxial-base NPN power transistors in monolithic Darlington configuration and are mounted in Jedec TO-3 metal case.
They are intented for use as output devices in complementary general purpose amplifier applications.
The complementary PNP types are the MJ4030, MJ4031, MJ4032.
Compliance to RoHS