2SK1521, 2SK1522 Silicon N-Channel MOS FETApplicationHigh speed power switchingFeatures· Low on-resistance· High speed switching· Low drive current· Built-in fast recovery diode (trr = 120 ns)· Suitable for motor control, switching regulator, DC-DC converter1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,copyright, trademark, or other intellectual property rights for information contained in this document.Hitachi bears no responsibility for problems that may arise with third party’s rights, includingintellectual property rights, in connection with use of the information contained in this document.2. Products and product specifications may be subject to change without notice. Confirm that you havereceived the latest product standards or specifications before final design, purchase or use.3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,contact Hitachi’s sales office before using the product in an application that demands especially highquality and reliability or where its failure or malfunction may directly threaten human life or cause riskof bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,traffic, safety equipment or medical equipment for life support.4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularlyfor maximum rating, operating supply voltage range, heat radiation characteristics, installationconditions and other characteristics. Hitachi bears no responsibility for failure or damage when usedbeyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeablefailure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes,so that the equipment incorporating Hitachi product does not cause bodily injury, fire or otherconsequential damage due to operation of the Hitachi product.5. This product is not designed to be radiation resistant.6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document withoutwritten approval from Hitachi.7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor