This part is a kind of semiconductor called 2SB744A.

Function of this product has SILICON POWER TRANSISTOR.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon PNP Power Transistors 2SB744 2SB744A · DESCRIPTION With TO-126 package ·Complement to type 2SD794/794A ·Excellent hFE linearity APPLICATIONS ·For audio frequency power amplifier and general purpose applications PINNING PIN 1 2 3 DESCRIPTION Emitter Collector;connected to mounting base Base Absolute maximum ratings(Ta=25 ) SYMBOL VCBO PARAMETER Collector-base voltage 2SB744 VCEO Collector-emitter voltage 2SB744A VEBO IC ICM IB Emitter-base voltage Collector current (DC) Collector current-Peak Base current Ta=25 PC Collector power dissipation TC=25 Tj Tstg Junction temperature Storage temperature 10 150 -55~150 Open collector Open base -60 -5 -3 -5 -0.6 1 W V A A A CONDITIONS Open emitter VALUE -70 -45 V UNIT V [ ... ]

2SB744A PDF Datasheet Download