This part is a kind of semiconductor called K3326.
Function of this product has 2SK3326.
Manufacturers : NEC
Image and pinout :
Some of the text within the PDF file :
DATA SHEET MOS FIELD EFFECT TRANSISTOR 2SK3326 SWITCHING N-CHANNEL POWER MOS FET INDUSTRIAL USE ORDERING INFORMATION PART NUMBER 2SK3326 PACKAGE Isolated TO-220 DESCRIPTION The 2SK3326 is N-Channel DMOS 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. FEATURES • Low gate charge : QG = 22 nC TYP. (VDD = 400 V, VGS = 10 V, ID = 10 A) • Gate voltage rating : ±30 V • Low on-state resistance : RDS(on) = 0.85 Ω MAX. (VGS = 10 V, ID = 5.0 A) • Avalanche capability ratings • Isolated TO-220(MP-45F) package (Isolated TO-220) ABSOLUTE MAXIMUM RATINGS (TA = 25°C) Drain to Source Voltage (VGS = 0 V) Gate to Source Voltage (VDS = 0 V) Drain Cu [ ... ]