This part is a kind of semiconductor called 2SK3899.

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 2SK3899 SWITCHING N-CHANNEL POWER MOS FET DESCRIPTION The 2SK3899 is N-channel MOS Field Effect Transistor designed for high current switching applications. ORDERING INFORMATION PART NUMBER 2SK3899-ZK PACKAGE TO-263 (MP-25ZK) FEATURES • Super low on-state resistance RDS(on)1 = 5.3 mΩ MAX. (VGS = 10 V, ID = 42 A) RDS(on)2 = 6.5 mΩ MAX. (VGS = 4.5 V, ID = 42 A) • Low C iss: C iss = 5500 pF TYP. • Built-in gate protection diode (TO-263) 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) Note1 VDSS VGSS ID(DC) ID(pulse) PT1 PT2 Tch Tstg 60 ±20 ±84 ±336 146 1.5 150 −55 to +150 245 49.5 245 V V A A W W °C °C mJ A mJ Tot [ ... ]

2SK3899 PDF Datasheet Download