This part is a kind of semiconductor called 2N6054.

Function of this product has (2N6053 / 2N6054) Silicon Power Transistor.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon PNP Power Transistors DESCRIPTION ·With TO-3 package ·Low collector saturation voltage ·DARLINGTON ·Complement to type 2N6055;2N6056 APPLICATIONS ·General-purpose power amplifier and low frequency swithing applications PINNING (See Fig.2) PIN 1 2 3 Base Emitter Collector DESCRIPTION 2N6053 2N6054 Fig.1 simplified outline (TO-3) and symbol ABSOLUTE MAXIMUM RATINGS(TC=25 ) SYMBOL VCBO PARAMETER Collector-base voltage 2N6053 2N6054 2N6053 2N6054 CONDITIONS Open emitter VALUE -60 -80 -60 -80 -5 -8 -16 -120 TC=25 100 200 -65~200 UNIT V VCEO VEBO IC ICM IB PD Tj Tstg Collector-emitter voltage Emitter-base voltage Collector current Collector current-peak Base current Total Power Dissipation Junction temperature S [ ... ]

2N6054 PDF Datasheet Download