This part is a kind of semiconductor called 2SC3866.

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 DESCRIPTION ¡¤With TO-220Fa package ¡¤High speed switching ¡¤High voltage ¡¤High reliability APPLICATIONS ¡¤Switching regulators ¡¤Ultrasonic generators ¡¤High frequency inverters ¡¤General purpose power amplifiers PINNING PIN 1 2 3 DESCRIPTION Base Collector Emitter 2SC3866 ¡¤ Fig.1 simplified outline (TO-220Fa) and symbol Absolute maximum ratings (Ta=25¡æ ) 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¡æ CONDITIONS Open emitter Open base Open collector VALUE 900 800 10 3 1 40 150 -55~150 ¡æ ¡æ UNIT V V V A A [ ... ]

2SC3866 PDF Datasheet Download