This part is a kind of semiconductor called 8N65.

Function of this product has N-CHANNEL POWER MOSFET.

Manufacturers : Unisonic Technologies

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 8N65 8A, 650V N-CHANNEL POWER MOSFET  DESCRIPTION The UTC 8N65 is a high voltage and high current power MOSFET designed to have better characteristics, such as fast switching time, low gate charge, low on-state resistance and high rugged avalanche characteristics. This power MOSFET is usually used in high speed switching applications at power supplies, PWM motor controls, high efficient DC to DC converters and bridge circuits.  FEATURES * RDS(ON) < 1.4Ω@VGS = 10 V * Fast switching capability * Avalanche energy specified * Improved dv/dt capability, high ruggedness  SYMBOL Power MOSFET  ORDERING INFORMATION Ordering Number Lead Free Halogen Free 8N65L-TA3-T 8N65G-TA3-T 8N65L-TF3-T 8N65G-TF3-T 8N65L-TF1-T 8N65G-TF1-T 8N65L-TF3T-T 8N65 [ ... ]

8N65 PDF Datasheet Download