This part is a kind of semiconductor called 2SC1440.

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 2SC1440 DESCRIPTION ·With TO-3 package ·High power dissipation APPLICATIONS ·Power amplifier applications ·Power switching applications ·DC-DC converters 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 IB PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature TC=25 CONDITIONS Open emitter Open base Open collector VALUE 150 150 5 15 4 150 150 -55~200 UNIT V V V A A W SavantIC Semiconductor Product Specification Silicon [ ... ]

2SC1440 PDF Datasheet Download