I put in BUK9529 on my Metallica and its working fine now.
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Quoted from Snailman:Thanks. But aren’t the Metallica flipper coils different design when what Stern used for Whitestar-era LOTR? There are no diodes on the flipper could themselves for my LOTR LE coils.
I think the diodes are on the power driver board for Metallica.
Quoted from herg:For the purposes of choosing a flipper transistor, all Whitestar and SAM are essentially the same, but the BUK9529 has been obsoleted. It may still be available if you look around, but if you're wanting to replace with a part with higher specs, I would be tempted to try a IRLB4030PBF.
I was able to easily buy it and it actually works. I can confirm P40N10L does not work. Caused a flipper stuttering issue with the flippers. I called stern on this and they said BUK9529 was fine and they used it on boards. BUK9529 were the originals that were installed by Stern on my MET power driver board.
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