This part is a kind of semiconductor called BD240.

Function of this product has PNP SILICON POWER TRANSISTORS.

Manufacturers : Power Innovations Limited

Image and pinout :

Some of the text within the PDF file :

BD240, BD240A, BD240B, BD240C PNP SILICON POWER TRANSISTORS Copyright © 1997, Power Innovations Limited, UK JUNE 1973 - REVISED MARCH 1997 q Designed for Complementary Use with the BD241 Series 30 W at 25°C Case Temperature 2 A Continuous Collector Current 4 A Peak Collector Current Customer-Specified Selections Available B C E q q q q TO-220 PACKAGE (TOP VIEW) 1 2 3 Pin 2 is in electrical contact with the mounting base. MDTRACA absolute maximum ratings at 25°C case temperature (unless otherwise noted) RATING BD240 Collector-emitter voltage (RBE = 100 Ω) BD240A BD240B BD240C BD240 Collector-emitter voltage (IC = -30 mA) BD240A BD240B BD240C Emitter-base voltage Continuous collector current Peak collector current (see Note 1) Continuous base current Continuous device dissipation [ ... ]

BD240 PDF Datasheet Download