This part is a kind of semiconductor called 2SK2504.

Function of this product has Transistor.

Manufacturers : TY Semiconductor

Image and pinout :

Some of the text within the PDF file :

SMD Type IC MOSFET Product specification 2SK2504 Features Low on-resistance. Fast switching speed. Wide SOA (safe operating area). +0.2 9.70-0.2 +0.15 6.50-0.15 +0.2 5.30-0.2 TO-252 +0.15 1.50-0.15 +0.1 2.30-0.1 +0.8 0.50-0.7 Unit: mm Easy to parallel. +0.1 0.80-0.1 +0.15 0.50-0.15 0.127 max +0.28 1.50-0.1 +0.25 2.65-0.1 +0.15 5.55-0.15 2.3 +0.15 4.60-0.15 +0.1 0.60-0.1 1 Gate 2 Drain 3 Source Absolute Maximum Ratings Ta = 25 Parameter Drain to source voltage Gate to source voltage Drain current Power dissipation Channel temperature Storage temperature * PW 10 s,Duty Cycle 1% Symbol VDSS VGSS ID Idp * PD Tch Tstg Rating 100 20 5 20 20 150 -55 to +150 Unit V V A A W Electrical Characteristics Ta = 25 Parameter Drain source breakdown voltage Drain cut-off current Gate leakag [ ... ]

2SK2504 PDF Datasheet Download