This part is a kind of semiconductor called 11N50.

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 11N50 Preliminary Power MOSFET 500V N-CHANNEL MOSFET „ DESCRIPTION The UTC 11N50 is an N-channel enhancement mode Power FET. It uses UTC advanced planar stripe, DMOS technology to provide customers perfect switching performance, minimal on-state resistance. It also can withstand high energy pulse in the avalanche and commutation mode. The UTC 11N50 is universally applied in electronic lamp ballasts based on half bridge topology, high efficiency switched mode power supplies, active power factor correction, etc. 1 TO-220F1 „ FEATURES * Low Gate Charge: 43nC (TYP.) * 11A, 500V, RDS(ON)=0.55Ω @ VGS=10V * Fast Switching * Low CRSS: 25pF (TYP.) * With 100% Avalanche Tested * Improved dv/dt Capability * Fast Recovery Body Diode: 90ns (TYP.) „ SYMBOL D [ ... ]

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