This part is a kind of semiconductor called 50N06.

Function of this product has N-CHANNEL POWER MOSFET.

Manufacturers : UTC

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 50N06 50 Amps, 60 Volts N-CHANNEL POWER MOSFET 1 MOSFET DESCRIPTION The UTC 50N06 is three-terminal silicon device with current conduction capability of about 50A, fast switching speed. Low on-state resistance, breakdown voltage rating of 60V, and max threshold voltages of 4 volt. It is mainly suitable electronic ballast, and low power switching mode power appliances. TO-220 1 TO-220F FEATURES * RDS(ON) = 23mΩ@VGS = 10 V * Ultra low gate charge ( typical 30 nC ) * Low reverse transfer Capacitance ( CRSS = typical 80 pF ) * Fast switching capability * 100% avalanche energy specified * Improved dv/dt capability *Pb-free plating product number: 50N06L SYMBOL 2.Drain 1.Gate 3.Source ORDERING INFORMATION Order Number Normal Lead Fr [ ... ]

50N06 PDF Datasheet Download