This part is a kind of semiconductor called K3353.
Function of this product has 2SK3353.
Manufacturers : NEC
Image and pinout :

Some of the text within the PDF file :
DATA SHEET MOS FIELD EFFECT TRANSISTOR 2SK3353 SWITCHING N-CHANNEL POWER MOS FET INDUSTRIAL USE ORDERING INFORMATION PART NUMBER 2SK3353 2SK3353-S 2SK3353-Z PACKAGE TO-220AB TO-262 TO-220SMD DESCRIPTION The 2SK3353 is N-channel MOS Field Effect Transistor designed for high current switching applications. FEATURES • Super low on-state resistance: 5 5 RDS(on)1 = 9.5 mΩ MAX. (VGS = 10 V, ID = 41 A) RDS(on)2 = 14 mΩ MAX. (VGS = 4 V, ID = 41 A) • Built-in gate protection diode 5 • Low Ciss: Ciss = 4650 pF TYP. ABSOLUTE MAXIMUM RATINGS (TA = 25°C) Drain to Source Voltage Gate to Source Voltage Drain Current (DC) VDSS VGSS(AC) ID(DC) Note1 60 ±20 ±82 ±328 95 1.5 150 –55 to +150 45 202 V V A A W W °C °C A mJ 5 Drain Current (pulse) ID(pulse) PT PT Tch Tstg Note2 Note2 [ ... ]
K3353 PDF Datasheet Download
