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RE: specifing a power transformer for pre PSU

>> Would a 250-0-250v @ 500ma work?

Yes it will be fine.
About 330V before the regulator.

>> how do you know what the upper limit
>> of input voltage is for the regulator

See datasheet linked below.
Limit of 650V across the transistor
so the 110V you have is no problem.

DanL




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  • RE: specifing a power transformer for pre PSU - danlaudionut 22:39:00 04/01/14 (0)

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