This part is a kind of semiconductor called 2SB337.

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 2SB337 DESCRIPTION ·With TO-3 package ·Low collector saturation voltage APPLICATIONS ·For audio frequency power output applications PINNING(see Fig.2) PIN 1 2 3 Base Emitter Collector Fig.1 simplified outline (TO-3) and symbol DESCRIPTION Absolute maximum ratings(Ta= ) SYMBOL VCBO VCEO VEBO IC IE IB PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Emitter current Base current Collector power dissipation Junction temperature Storage temperature TC-55 CONDITIONS Open emitter Open base Open collector VALUE -40 -30 -10 -7 7 -1 30 100 -55~100 UNIT V V V A A A W SavantIC Semiconductor Product Specification Silico [ ... ]

2SB337 PDF Datasheet Download