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MrBungle · 25th Apr 2019, 2:28 pm

I’d assume that 500V would be required. 400V is too close to half wave rectified mains for my liking. Imagine a 250V supply (average here!) and that only gives you 50V for a transient.

25th Apr 2019, 2:28 pm	#12
MrBungle Dekatron Join Date: Jun 2016 Location: London, UK. Posts: 3,687	Re: HP 6024A power supply FET. I’d assume that 500V would be required. 400V is too close to half wave rectified mains for my liking. Imagine a 250V supply (average here!) and that only gives you 50V for a transient.