FQA28N50 is an N-Channel power MOSFET from On Semiconductor with 500V drain-source breakdown voltage and 28.4A continuous drain current. It features a low on-resistance of 160mOhm and is housed in a TO-3P package.
The FQA9N90C is a 900V N-Channel MOSFET from On Semiconductor, featuring 9A continuous drain current and 1.4Ω on-resistance. It comes in a TO-3P through-hole package.
The IXTQ82N25P is an N-Channel MOSFET from IXYS, designed for high-power applications. It features a 250V drain-source breakdown voltage and a continuous drain current of 82A.