This part is a kind of semiconductor called BD712.

Function of this product has (BD708 - BD712) SILICON POWER TRANSISTOR.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon PNP Power Transistors DESCRIPTION ·With TO-220C package ·Complement to type BD707/709/711 APPLICATIONS ·Intented for use in power linear and switching applications. PINNING PIN 1 2 3 Emitter Collector;connected to mounting base Base DESCRIPTION BD708 BD710 BD712 Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER BD708 VCBO Collector-base voltage BD710 BD712 BD708 VCEO Collector-emitter voltage BD710 BD712 VEBO IC ICM IB PT Tj Tstg Emitter-base voltage Collector current-DC Collector current-Pulse Base current Total dissipation Junction temperature Storage temperature TC=25 Open collector Open base Open emitter CONDITIONS VALUE -60 -80 -100 -60 -80 -100 -5 -12 -18 -5 75 150 -65~150 V A A A W V V UNIT THERMAL CHAR [ ... ]

BD712 PDF Datasheet Download