This part is a kind of semiconductor called K3324.

Function of this product has 2SK3324.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET MOS FIELD EFFECT TRANSISTOR 2SK3324 SWITCHING N-CHANNEL POWER MOS FET INDUSTRIAL USE DESCRIPTION The 2SK3324 is N-Channel MOS FET device that features a Low gate charge and excellent switching characteristics, and Designed for high voltage applications such as switching power supply, AC adapter. ORDERING INFORMATION PART NUMBER 2SK3324 PACKAGE TO-3P FEATURES • Low gate charge : QG = 32 nC TYP. (VDD = 450 V, VGS = 10 V, ID = 6.0 A) • Gate voltage rating : ±30 V • Low on-state resistance : RDS(on) = 2.8 Ω MAX. (VGS = 10 V, ID = 3.0 A) • Avalanche capability ratings (TO-3P) ABSOLUTE MAXIMUM RATINGS (TA = 25 °C) Drain to Source Voltage Gate to Source Voltage Drain Current (DC) Drain Current (Pulse) Note1 VDSS VGSS(AC) ID(DC) ID(pulse) PT PT Tstg Note2 Note2 900 [ ... ]

K3324 PDF Datasheet Download