Automotive U-MOSVII-H Power MOSFETs Toshiba Automotive U-MOSVII-H Power MOSFETs are AEC-Q101 qualified silicon N-channel MOSFETs. Toshiba Automotive U-MOSVII-H Power MOSFETs offer low drain-source on-resistance and are ideal for use in high-speed switching applications as well as automotive DC-DC converters and power management switches.