The 2SK2508, 2SK-2508, K2508, 2508 is a 250V 13A 45W TO-220NIS Package, This is a shortly to be discontinued. For new designs, the following product(s) should be used instead of this product.
The IRFP064N is a 60V 70A Third generation Power MOSFETs from Vishay provide the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness
The IRFZ44N is a 55V 49A TO-220 Package MOSFET family of power MOSFETs utilizes proven silicon processes a wide portfolio of devices to support various applications as well as battery powered applications.