The 2SK2610 is an N-channel power MOSFET transistor, designed primarily for high-voltage and high-speed switching applications, such as in switch-mode power supplies (SMPS), DC-DC converters and motor control circuits.
The 2SK2917 is an N-channel power MOSFET transistor designed for high-speed switching applications, such as switched-mode power supplies, DC-DC converters and motor drivers.