This part is a kind of semiconductor called 10N60.
Function of this product has 600/650 Volts N-CHANNEL POWER MOSFET.
Manufacturers : Unisonic Technologies
Image and pinout :

Some of the text within the PDF file :
UNISONIC TECHNOLOGIES CO., LTD Power MOSFET 10N60 10 Amps, 600/650 Volts N-CHANNEL POWER MOSFET DESCRIPTION The UTC 10N60 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 have a high rugged avalanche characteristics. This power MOSFET is usually used at high speed switching applications in power supplies, PWM motor controls, high efficient DC to DC converters and bridge circuits. FEATURES *Pb-free plating product number: 10N60L * 10A, 600V, RDS(ON) =0.73Ω@VGS =10V * Low gate charge ( typical 44 nC) * Low Crss ( typical 18 pF) * Fast switching * 100% avalanche tested * Improved dv/dt capability SYMBOL 2.Drain 1.Gate 3.Source ORDERIN [ ... ]
10N60 PDF Datasheet Download
