To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding.

DATA SHEETMOS FIELD EFFECT TRANSISTOR2SK4145SWITCHING N-CHANNEL POWER MOS FET DESCRIPTION The 2SK4145 is N-channel MOS Field Effect Transistor designed for high current switching applications. FEATURES Low on-state resistance RDS(on) = 10 m MAX. (VGS = 10 V, ID = 42 A) Low input capacitance Ciss = 5300 pF TYP. ORDERING INFORMATION PART NUMBER LEAD PLATING

To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding.

To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding.

To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding.

Preliminary Data Sheet R07DS0130EJ01002SK4146 Rev.1.00Sep 24, 2010MOS FIELD EFFECT TRANSISTOR Description The 2SK4146 is N-channel MOS Field Effect Transistor designed for high current switching applications. Features Low on-state resistance RDS(on) = 10.1 m MAX. (VGS = 10 V, ID = 40 A) Low input capacitance Ciss = 3500 pF TYP. (VDS = 10 V) Ordering

isc N-Channel MOSFET Transistor 2SK4145FEATURESStatic drain-source on-resistance:RDS(on) 10mFast Switching Speed100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationDESCRITIONIdeal for high-frequency switching.ABSOLUTE MAXIMUM RATINGS(T =25)aSYMBOL PARAMETER VALUE UNITV Drain-Source Voltage 60 V

isc N-Channel MOSFET Transistor 2SK4144-AZFEATURESDrain Current : I = 20A@ T =25D CDrain Source Voltage: V = 60V(Min)DSSStatic Drain-Source On-Resistance: R = 5.8m(Max) @ V = 10VDS(on) GS100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationDESCRIPTIONmotor drive, DC-DC converter, power switchand sole

isc N-Channel MOSFET Transistor 2SK4146FEATURESDrain Current : I = 80A@ T =25D CDrain Source Voltage: V = 75V(Min)DSSStatic Drain-Source On-Resistance: R = 10.1m(Max) @ V = 10VDS(on) GS100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationDESCRIPTIONmotor drive, DC-DC converter, power switchand soleno

isc N-Channel MOSFET Transistor 2SK4143FEATURESDrain Current : I = 20A@ T =25D CDrain Source Voltage: V = 60V(Min)DSSStatic Drain-Source On-Resistance: R = 44m(Max) @ V = 10VDS(on) GS100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationDESCRIPTIONmotor drive, DC-DC converter, power switchand solenoid

isc N-Channel MOSFET Transistor 2SK414DESCRIPTIONDrain Current I = 8A@ T =25D CDrain Source Voltage-: V = 160V(Min)DSSFast Switching Speed100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSHigh speed switching.High Cutoff frequency.No secondary breakdown.Suitable for switching re