This part is a kind of semiconductor called WFF7N60.

Function of this product has N-Channel MOSFET.

Manufacturers : Wisdom technologies

Image and pinout :

Some of the text within the PDF file :

Wisdom Semiconductor WFF7N60 N-Channel MOSFET Features ■ ■ RDS(on) (Max 1.2 Ω )@VGS=10V Gate Charge (Typical 28nC) Improved dv/dt Capability, High Ruggedness 100% Avalanche Tested Maximum Junction Temperature Range (150°C) Symbol ◀ { 2. Drain ● ■ ■ ■ 1. Gate { ▲ ● ● { 3. Source General Description This Power MOSFET is produced using Wisdom’s advanced planar stripe, DMOS technology. This latest technology has been especially designed to minimize on-state resistance, have a high rugged avalanche characteristics. These devices are well suited for high efficiency switch mode power supplies, active power factor correction, electronic lamp ballasts based on half bridge topology. TO-220F 1 2 3 Absolute Maximum Ratings Symbol VDSS ID [ ... ]

WFF7N60 PDF Datasheet Download