This part is a kind of semiconductor called C1448.

Function of this product has 2SC1448.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors 2SC1448 DESCRIPTION ·With TO-220 package ·High collector-emitter breakdown voltage : VCEO=150V(min) APPLICATIONS ·Power amplifier applications ·Vertical output applications PINNING PIN 1 2 3 Base Collector;connected to mounting base Emitter DESCRIPTION Absolute maximum ratings (Ta=25 ) SYMBOL VCBO VCEO VEBO IC IB PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Ta=25 PC Collector power dissipation TC=25 Tj Tstg Junction temperature Storage temperature 25 150 -55~150 Open emitter Open base Open collector CONDITIONS VALUE 150 150 5 1.5 0.5 1.5 W UNIT V V V A A Free Datasheet http://www.datasheet4u.com/ SavantIC Semiconductor w [ ... ]

C1448 PDF Datasheet Download