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IXYS Corporation (NASDAQ: IXYS), a manufacturer of power semiconductors and integrated circuits for energy efficiency, power management, and motor control applications, today announced the release of the highest voltage Power MOSFET product line in the industry – 4500V N-Channel Power MOSFETs in international standard size packages. The current ratings range from 200mA to 2A. They are specifically designed to address demanding, fast-switching power conversion applications requiring very high blocking voltages up to 4.5kV.
Thanks to the positive temperature coefficient of their on-state resistance, these very high voltage MOSFETs are ideally suited for parallel device operation, which provides cost-effective solutions compared to series-connected, lower-voltage MOSFET ones. This also results in reduction in the associated gate drive circuitry, further simplifying the design, saving PCB board space, and improving the reliability of the overall system.
“We all know from Physics 101, that it is more efficient to provide electrical energy efficiently with higher voltage than with higher current. Thus, we developed this technology, to enable power conversion or energy tapping from the electrical grid closer to the grid voltage,” commented Dr. Nathan Zommer, Founder and CEO of IXYS Corporation. “Numerous other industrial, transportation and medical applications require also high voltage control capabilities that these MOSFETs enable.”
Moreover, a ceramic isolation of up to 4.5kV is achieved with the Direct Copper Bond (DCB) substrate technology – an electrically isolated tab is provided for heat sinking. The DCB provides low thermal impedance and best-in-class power and temperature cycling capabilities. And the molding epoxies meet the UL 94 V-0 flammability classification.
These new Power MOSFETs can provide an optimal solution for applications such as tapping power from the high voltage grid, capacitor discharge circuits, high-voltage automated test equipment, laser and x-ray generation systems, high-voltage power supplies, and pulse circuits.
The 4500V Power MOSFETs are available in IXYS’ proprietary high-voltage versions of the international standard packages: TO-263, TO-268, ISOPLUS i4-Pak™, ISOPLUS i5-Pak™. The part numbers include IXTT02N450HV, IXTA02N450HV, IXTF02N450, IXTF1N450, IXTT1N450HV, IXTL2N450, with collector current ratings of 200mA, 200mA, 200mA, 900mA, 1A, and 2A, respectively.