The thermal resistance of the WHE1K0FET is not explicitly stated in the datasheet, but according to Ohmite's application notes, the thermal resistance (RθJA) is approximately 10°C/W for the TO-220 package.
While the WHE1K0FET is a power MOSFET, it's not optimized for high-frequency switching applications. The datasheet doesn't provide information on the device's high-frequency performance, and Ohmite recommends using their specialized high-frequency MOSFETs for such applications.
To ensure proper cooling, follow Ohmite's recommended thermal design guidelines, including using a heat sink with a thermal interface material, maintaining a minimum clearance around the device, and ensuring good airflow. You can also consult Ohmite's application notes for more detailed guidance.
The WHE1K0FET is not AEC-Q101 qualified, which is a common requirement for automotive applications. If you need a MOSFET for an automotive application, consider using an AEC-Q101 qualified device from Ohmite or another manufacturer.
The WHE1K0FET is rated for a maximum drain-source voltage (VDS) of 100V. While it may be possible to use it in a high-voltage application with proper design and protection, Ohmite does not recommend exceeding the rated voltage. Consider using a MOSFET with a higher voltage rating for such applications.
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