This part is a kind of semiconductor called 7NM60.

Function of this product has 600V N-CHANNEL POWER MOSFET.

Manufacturers : UNISONIC TECHNOLOGIES

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 7NM60 Preliminary 7.4A, 600V N-CHANNEL POWER MOSFET  DESCRIPTION The UTC 7NM60 is a high voltage super junction MOSFET and is designed to have better characteristics, such as fast switching time, low gate charge, low on-state resistance and have a high rugged avalanche characteristics. This power MOSFET is usually used at high speed switching applications in switching power supplies and adaptors.  FEATURES * RDS(ON) < 0.9Ω @ VGS = 10V, ID = 3.7A * Fast Switching Capability * Avalanche Energy Tested * Improved dv/dt Capability, High Ruggedness  SYMBOL Power MOSFET  ORDERING INFORMATION Ordering Number Lead Free Halogen Free 7NM60L-TF1-T 7NM60G-TF1-T 7NM60L-TN3-R 7NM60G-TN3-R Note: Pin Assignment: G: Gate D: Drain S: Source Package [ ... ]

7NM60 PDF Datasheet Download