This part is a kind of semiconductor called C2331.
Function of this product has 2SC2331.
Manufacturers : JMnic
Image and pinout :

Some of the text within the PDF file :
Product Specification www.jmnic.com Silicon Power Transistors 2SC2331 DESCRIPTION ¡¤ With TO-220 package ¡¤ Complement to type 2SA1008 ¡¤ Low collector saturation voltage ¡¤ Fast switching speed APPLICATIONS ¡¤ Switching regulators ¡¤ DC/DC converters ¡¤ High frequency power amplifiers 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 ICM IB PT PT Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current-Peak Base current Total power dissipation Total power dissipation Junction temperature Storage temperature Ta=25¡æ TC=25¡æ CONDITIONS Open emitter Open base Open coll [ ... ]
C2331 PDF Datasheet Download
