This part is a kind of semiconductor called B772.
Function of this product has MEDIUM POWER LOW VOLTAGE TRANSISTOR.
Manufacturers : Unisonic Technologies
Image and pinout :

Some of the text within the PDF file :
UTC 2SB772 PNP EPITAXIAL SILICON TRANSISTOR MEDIUM POWER LOW VOLTAGE TRANSISTOR DESCRIPTION The UTC 2SB772 is a medium power low voltage transistor, designed for audio power amplifier, DC-DC converter and voltage regulator. FEATURES *High current output up to 3A *Low saturation voltage *Complement to 2SD882 1 TO-126 1:EMITTER 2:COLLECTOR 3:BASE ABSOLUTE MAXIMUM RATINGS ( Ta=25°C ,unless otherwise specified ) PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Dissipation( Tc=25°C) Collector Dissipation( Ta=25°C) Collector Current(DC) Collector Current(PULSE) Base Current Junction Temperature Storage Temperature SYMBOL VCBO VCEO VEBO Pc Pc Ic Ic IB Tj TSTG VALUE -40 -30 -5 10 1 -3 -7 -0.6 150 -55 ~ +150 UNIT V V V W W A A A °C °C ELECT [ ... ]
B772 PDF Datasheet Download
