I want to drive the inductive coil (26 ohm) at 48V DC. I have a 4N65 N_MOSFET. I'm giving 9V Vgs @ 150Hz switching square signal. For spike protection I used TVS diode having part number 3.0SMCJ170A.
The TVS diode and the MOSFET both heat up. How can I get rid of this?