This part is a kind of semiconductor called SFP30N06.

Function of this product has N-Channel MOSFET.

Manufacturers : SemiWell Semiconductor

Image and pinout :

Some of the text within the PDF file :

SemiWell Semiconductor SFP30N06 N-Channel MOSFET Features ■ ■ Low RDS(on) (0.04Ω )@VGS=10V Low Gate Charge (Typical 27nC) Low Crss (Typical 75pF) Improved dv/dt Capability 100% Avalanche Tested Maximum Junction Temperature Range (175°C) Symbol ◀ { { 2. Drain ● ■ ■ ■ ■ 1. Gate ▲ ● ● { 3. Source General Description This Power MOSFET is produced using SemiWell’s advanced planar stripe, DMOS technology. This latest technology has been especially designed to minimize on-state resistance, have a low gate charge with superior switching performance, and rugged avalanche characteristics. This Power MOSFET is well suited for synchronous DC-DC Converters and Power Management in portable and battery operated products. TO-220 1 2 3 Absolu [ ... ]

SFP30N06 PDF Datasheet Download