This part is a kind of semiconductor called 70N06.

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 70N06 70 Amps, 60 Volts N-CHANNEL POWER MOSFET 1 MOSFET DESCRIPTION The UTC 70N06 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. TO-220 1 TO-220F FEATURES * RDS(ON) = 15mΩ@VGS = 10 V * Ultra low gate charge ( typical 90 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: 70N06L SYMBOL 2.Drain 1.Gate 3.Source ORDERING INFORMATION Order Number Normal Lead Free Plating 70N06-TA3-T 70N06L-TA3-T 70N06-TF3-T 70N06L-TF3-T Package TO-220 TO-220F Pin Assi [ ... ]

70N06 PDF Datasheet Download