The FDS3890 80V 4.7A N-Channel MOSFET has been designed specifically to improve the overall efficiency of DC/DC converters using either synchronous or conventional switching PWM controllers.
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.