N-channel IRFP260, IRFP450, IRFP240, IRF840 Mosfet Series with high quality power amp circuits have all the details (in English), especially in the picture :) I liked TO220 and TO247 Cases have two different PCBs PCB Files ready printable PDF... Electronics Projects, N-Channel MOSFET Amplifier circuits "audio amplifier circuits, transistor amplifier, " Date 2019/08/01