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To all our customersRegarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog and discrete devices, and memory chips other than DRAM

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.

INCHANGE Semiconductorisc N-Channel MOSFET Transistor 2SK1649DESCRIPTIONDrain Current I =6A@ T =25D CDrain Source Voltage-: V =900 (Min)DSSMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONShigh speed high current switching applicationsDC-DC converter and motor driver applicationsABSOLUTE MAXIMUM RATINGS(T =25

isc N-Channel MOSFET Transistor 2SK1643DESCRIPTIONDrain Current I =5A@ T =25D CDrain Source Voltage-: V =900 (Min)DSSFast Switching SpeedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONShigh speed high current switching applicationsDC-DC converter and motor driver applicationsABSOLUTE MAXIMUM RATINGS(T =25