This part is a kind of semiconductor called 11N80.

Function of this product has 11A 812V N-CHANNEL POWER MOSFET.

Manufacturers : UNISONIC TECHNOLOGIES

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 11N80 Preliminary Power MOSFET 11A, 812V N-CHANNEL POWER MOSFET  DESCRIPTION 1 TO-3P The UTC 11N80 is an N-C hannel power MOSFET, it uses UTC’s advanced technology to pr ovide customers with a mi nimum on-state resistance, low gate charge and high switching speed. The UTC 11N8 0 is su itable for high speed switching applications in po wer supp lies, PW M mo tor controls, high efficient D C to DC converters and bridge circuits. 1  FEATURES TO-230 * RDS(ON) <0.9Ω@VGS=10V * Low gate charge ( typical 60 nC) * High switching speed  ORDERING INFORMATION Package TO-3P TO-230 Pin Assignment 1 2 3 G D S G D S Packing Tube Tube Ordering Number Lead Free Halogen Free 11N80L-T3P-T 11N80G-T3P-T 11N80L-TC3-T 11N80G-TC3-T Note: Pin Assignment: G: Gate [ ... ]

11N80 PDF Datasheet Download