This part is a kind of semiconductor called 2SC1827.

Function of this product has Silicon NPN Power Transistors.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC1827 DESCRIPTION ¡¤ With TO-220 package ¡¤ Complement to type 2SA769 ¡¤ Collector current :IC=4A ¡¤ Collector dissipation :PC=30W@TC=25¡æ APPLICATIONS For use in low frequency power amplifier applications ¡¤ PINNING PIN 1 2 3 Base Collector;connected to mounting base Emitter Fig.1 simplified outline (TO-220) and symbol DESCRIPTION Absolute maximum ratings (Ta=25¡æ ) SYMBOL VCBO VCEO VEBO IC PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current (DC) Collector power dissipation Junction temperature Storage temperature TC=25¡æ CONDITIONS Open emitter Open base Open collector VALUE 80 80 5 4 30 150 -55~150 ¡æ ¡æ UNIT V [ ... ]

2SC1827 PDF Datasheet Download