This part is a kind of semiconductor called 25N06.

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 25N06 Preliminary Power MOSFET N-CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTOR „ DESCRIPTION The UTC 25N06 is an N-channel enhancement mode Power MOSFET, which provides low gate charge, avalanche rugged technology, and so on. The UTC 25N06 is universally applied in DC-DC & DC-AC converters, motor control, high current, high speed switching, solenoid and relay drivers, regulators, audio amplifiers, automotive environment. „ FEATURES * Low Gate Charge * RDS(on) = 0.048 Ω (TYP.) * Avalanche Rugged Technology * 100% Avalanche Tested * Repetitive Avalanche at 100°C * High Current Capability * Operating Temperature: 175°C * Application Oriented Characterization „ SYMBOL 2.Drain 1.Gate 3.Source „ ORDERING INFORMATION Package TO-220 Pin Assignment [ ... ]

25N06 PDF Datasheet Download