This part is a kind of semiconductor called 2SC1402.

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 NPN Power Transistors 2SC1402 DESCRIPTION ·With TO-3 package ·Wide area of safe operation APPLICATIONS ·For audio frequency power amplifier 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 PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation Junction temperature Storage temperature TC=25 Open emitter Open base Open collector CONDITIONS VALUE 140 80 5 8 70 150 -55~150 UNIT V V V A W SavantIC Semiconductor Product Specification Silicon NPN Power Transistors CHARACTERISTICS Tj=25 unl [ ... ]

2SC1402 PDF Datasheet Download