This part is a kind of semiconductor called 12N60.

Function of this product has N-Channel Power MOSFET.

Manufacturers : nELL

Image and pinout :

Some of the text within the PDF file :

SEMICONDUCTOR I2N60 Series RRooHHSS Nell High Power Products N-Channel Power MOSFET 12A, 600Volts DESCRIPTION The Nell 12N60 is a three-terminal silicon device with current conduction capability of 12A, fast switching speed, low on-state resistance, breakdown voltage rating of 600V, and max. threshold voltage of 4 volts. They are designed for use in applications such as switched mode power supplies. DC to DC converters, PWM motor controls, bridge circuits and general purpose switching applications. FEATURES RDS(ON) = 0.8Ω @ VGS = 10V Ultra low gate charge(54nC max.) Low reverse transfer capacitance (CRSS = 25pF typical) Fast switching capability 100% avalanche energy specified Improved dv/dt capability 150°C operation temperature PRODUCT SUMMARY ID (A) VDSS (V) RDS(ON) (Ω) QG(nC) [ ... ]

12N60 PDF Datasheet Download