Finding a Mosfet suitable

[5608920]

I am building a high voltage fence controller, it requires a IRF820 Mosfet 500V 4A  N-channel. Apparently they are not manufactured anymore, and I can not find one anywhere, when trying to find out a replacement I am hitting brick walls with most people not knowing.The only Mosfet that keeps coming up is IRF830 500V 4.5A, will this be suitable or will it cause issues? Thank you for reading

[TDK]

You can still buy IRF820 from other manufacturers:

https://www.digikey.com/en/products/detail/vishay-siliconix/IRF820APBF/811790

But IRF830 should be a suitable replacement as well. It's basically the same except with a lower resistance (and therefor higher continuous current rating).

[5608920]

Thank you, I did see that, but it is only a 2.5A on that IRF820, I was concerned about over loading it.

[TDK]

Fair enough. IRF830 seems like the logical replacement choice. Lots of others available if you do a digikey parametric search.

[5608920 · Accepted solution]

Thank you, I appreciate your help.