This part is a kind of semiconductor called K2642-01MR.

Function of this product has 2SK2642-01MR.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

2SK2642-01MR N-CHANNEL SILICON POWER MOS-FET Features High speed switching Low on-resistance www.datasheet4u.com No secondary breakdown Low driving power High voltage VGS=±35V Guarantee Avalanche-proof FUJI POWER MOS-FET TO-220F15 2.54 Applications Switching regulators UPS DC-DC converters General purpose power amplifier 3. Source Equivalent circuit schematic Drain(D) Maximum ratings and characteristicAbsolute maximum ratings (Tc=25°C unless otherwise specified) Item Drain-source voltage Continuous drain current Pulsed drain current Gate-source voltage Maximum Avalanche Energy Max. power dissipation Operating and storage temperature range Symbol V DS ID ID(puls] VGS EAV *1 PD Tch Tstg Rating 500 ±15 ±60 ±35 88.7 50 +150 -55 to +150 Unit V A A V mJ W °C °C Gate(G) Source(S) *1 [ ... ]

K2642-01MR PDF Datasheet Download