Pa amp part question

Received a cheap PA amp for repair. Analog with mosfets irfp240.
Can't find this part. maybe triac d8d 66 3 legs, and what type of fuse is this?
 

Attachments

  • IMG_20220908_153128.jpg
    IMG_20220908_153128.jpg
    278 KB · Views: 104
  • IMG_20220908_153146.jpg
    IMG_20220908_153146.jpg
    404.5 KB · Views: 110