This part is a kind of semiconductor called 75N75.

Function of this product has N-CHANNEL POWER MOSTFET.

Manufacturers : UTC

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 75N75 75Amps, 75Volts N-CHANNEL POWER MOSTFET DESCRIPTION The UTC 75N75 is n-channel enhancement mode power field effect transistors with stable off-state characteristics, fast switching speed, low thermal resistance, usually used at telecom and computer application. 1 Power MOSFET TO- 251 1 TO-252 1 TO-220 FEATURES * RDS(ON) = 12.5mΩ @VGS = 10 V * Ultra low gate charge ( typical 90 nC ) * Fast switching capability * Avalanche energy Specified * Improved dv/dt capability, high ruggedness 1 TO-220F *Pb-free plating product number: 75N75L SYMBOL 2.Drain 1.Gate 3.Source ORDERING INFORMATION Order Number Package Normal Lead Free Plating 75N75-TA3-T 75N75L-TA3-T TO-220 75N75-TF3-T 75N75L-TF3-T TO-220F 75N75-TM3-T 75N75L-TM3-T TO [ ... ]

75N75 PDF Datasheet Download