This part is a kind of semiconductor called B863.

Function of this product has 2SB863.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Silicon PNP Power Transistors DESCRIPTION ·With TO-3P(I) package ·Complement to type 2SD1148 APPLICATIONS ·Power amplifier applications ·Recommend for 70W high fidelity audio frequency amplifier output stage PINNING PIN 1 2 3 DESCRIPTION Emitter Collector;connected to mounting base Base Product Specification 2SB863 Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER VCBO VCEO VEBO IC IB PC Tj Tstg Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature CONDITIONS Open emitter Open base Open collector TC=25 VALUE -140 -140 -5 -10 -1 100 150 -55~150 UNIT V V V A A W SavantIC Semiconductor Silicon PNP Power Transistors www [ ... ]

B863 PDF Datasheet Download