The TSP840MR is a dual N-channel MOSFET with 500V of breakdown voltage, 9A (Tc) continuous drain current, 4V gate-source voltage, 250uA gate charge, 800mOhm on-state resistance, and 4.5A maximum avalanche current, with a nominal 10V threshold voltage. It is a TO-220 RoHS-compliant component manufactured by Truesemi. This part is suitable for use in switch mode power supplies, motor control, DC-DC converters, UPS systems, DC motor controllers, and other power control applications.