This part is a kind of semiconductor called B1186.

Function of this product has 2SB1186.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon PNP Power Transistors 2SB1186 DESCRIPTION ·With TO-220Fa package ·Low collector saturation votlage ·Complement to type 2SD1763 ·High breakdown voltage APPLICATIONS ·For use in low frequency power amplifer applications PINNING PIN 1 2 3 DESCRIPTION Emitter Collector Base Absolute maximum ratings(Ta=25 ) SYMBOL VCBO VCEO VEBO IC ICM PARAMETER Collector-base voltage Collector -emitter voltage Emitter-base voltage Collector current Collector current-peak Ta=25 PC Collector power dissipation TC=25 Tj Tstg Junction temperature Storage temperature 20 150 -55~150 CONDITIONS Open emitter Open base Open collector VALUE -120 -120 -5 -1.5 -3.0 2.0 W UNIT V V V A A Free Datasheet http://www.Datasheet4U.com SavantIC Sem [ ... ]

B1186 PDF Datasheet Download