This part is a kind of semiconductor called 2SB1018A.

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 2SB1018A DESCRIPTION ·With TO-220F package ·High collector current ·Low collector saturation voltage ·Complement to type 2SD1411A APPLICATIONS ·Power amplifier applications ·High current switching applications PINNING PIN 1 2 3 DESCRIPTION Emitter Collector Base Fig.1 simplified outline (TO-220F) and symbol Absolute maximum ratings(Ta=25 ) SYMBOL VCBO VCEO VEBO IC IB PARAMETER Collector-base voltage Collector -emitter voltage Emitter-base voltage Collector current Base current TC=25 PC Collector power dissipation Ta=25 Tj Tstg Junction temperature Storage temperature 2 150 -55~150 Open emitter Open base Open collector CONDITIONS VALUE -100 -80 -5 -7 -1 30 W UNIT V V V A A SavantIC Sem [ ... ]

2SB1018A PDF Datasheet Download