1. Switching Performance and Losses: The TK290A65Y exhibits significantly higher gate charge (Qg = 25 nC) compared to the IPA60R280P7 (Qg = 18 nC). At the same switching frequency, this results in higher drive power demand and increased switching losses for the former, potentially reducing efficiency, especially in high-frequency applications. 2. Thermal Design Margin and Package: The TK290A65Y has a higher rated maximum power dissipation of 35 W (Tc) versus 24 W (Tc) for the IPA60R280P7, primarily due to its optimized package thermal design (TO-220SIS). Under identical thermal conditions, this may provide additional current margin or improved reliability. 3. On-Resistance Test Conditions: The Rds(on) of the TK290A65Y is specified at 5.8 A, while the IPA60R280P7 is characterized at 3.8 A. This suggests the former may be more relevant for higher current operation, but direct comparison of the values should account for nonlinear effects due to the different test currents. 4. Drive Compatibility: The TK290A65Y’s Vgs(th) is tested at 450 µA (higher than the 190 µA for the IPA60R280P7), and its Vgs(max) rating is ±30 V (versus ±20 V). This indicates potentially greater gate oxide robustness against voltage stress, but also implies possible differences in actual threshold voltage characteristics. Drive circuit compatibility should be verified.