This part is a kind of semiconductor called SW10N65K.

Function of this product has MOSFET.

Manufacturers : SEMIPOWER

Image and pinout :

Some of the text within the PDF file :

SAMWIN SW10N65K N-channel TO-220F/TO251N /TO-220 MOSFET Features ■ High ruggedness ■ RDS(ON) (Max 0.4Ω)@VGS=10V ■ Gate Charge (Typical 29nC) ■ Improved dv/dt Capability ■ 100% Avalanche Tested TO-220F TO-251N TO-220 1 2 3 1 2 3 1 2 3 General Description 1. Gate 2. Drain 3. Source This power MOSFET is produced with advanced super-junction technology of SAMWIN. This technology enable power MOSFET to have better characteristics, such as fast switching time, excellent avalanche characteristics, low gate charge and especially in low on resistance. This power MOSFET is usually used at high efficient DC to DC converter block and switch mode power supply. Order Codes BVDSS : 650V ID : 10A RDS(ON) : 0.4Ω 2 1 3 Item Sales Type 1 SW F 10N65 2 SW I 10N65 3 SW P 10N65 Ma [ ... ]

SW10N65K PDF Datasheet Download