This part is a kind of semiconductor called 2SK3113.

Function of this product has SWITCHING N-CHANNEL POWER MOSFET.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET MOS FIELD EFFECT TRANSISTOR 2SK3113 SWITCHING N-CHANNEL POWER MOS FET DESCRIPTION The 2SK3113 is N-channel DMOS FET device that features a low gate charge and excellent switching characteristic, and designed for high voltage applications such as switching power supply, AC adapter. ORDERING INFORMATION PART NUMBER 2SK3113 2SK3113-Z PACKAGE TO-251 (MP-3) TO-252 (MP-3Z) FEATURES • Low on-state resistance RDS(on) = 4.4 Ω MAX. (VGS = 10 V, ID = 1.0 A) • Low gate charge QG = 9 nC TYP. (VDD = 450 V, VGS = 10 V, ID = 2.0 A) • Gate voltage rating ±30 V • Avalanche capability ratings (TO-251) ABSOLUTE MAXIMUM RATINGS (TA = 25°C) Drain to Source Voltage (VGS = 0 V) Gate to Source Voltage (VDS = 0 V) Drain Current (DC) (TC = 25°C) Drain Current (pulse) [ ... ]

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