This part is a kind of semiconductor called 2SC4600.

Function of this product has NPN Triple Diffused Planar Silicon Transistor.

Manufacturers : Kexin

Image and pinout :

Some of the text within the PDF file :

SMD Type Transistors NPN Triple Diffused Planar Silicon Transistor 2SC4600 TO-263 + 0 .1 1 .2 7 -0 .1 Unit: mm +0.1 1.27-0.1 +0.2 4.57-0.2 Features Surface mount type device making the following possible. Reduction in the number of manufacturing processes Small size of 2SC4600-applied equipment. High breakdown voltage, high reliability. Fast switching speed. Wide ASO. Adoption of MBIT process. +0.1 1.27-0.1 0.1max +0.1 0.81-0.1 + 0 .2 5 .2 8 -0 .2 2.54 5.08 +0.1 -0.1 + 0 .2 2 .5 4 -0 .2 + 0 .2 1 5 .2 5 -0 .2 High density surface mount applications. + 0 .2 8 .7 -0 .2 +0.2 2.54-0.2 +0.2 0.4-0.2 Absolute Maximum Ratings Ta = 25 Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current ( DC) Collector current (Pulse) * Base current Colle [ ... ]

2SC4600 PDF Datasheet Download