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How hot should a transformer get?
On Jul 29, 6:50*pm, "Dave Plowman (News)"
wrote: In article , * *Steve Lupton wrote: Dave Plowman (News) wrote: In article et, * *Dave Liquorice wrote: I'd be surprised if a SMPSU would run down to 12v though most have a lower voltage limit somewhere above 50v. Eh? Both my current phone and the last one had SMPS. The current one tiny and weighs less than a normal plugtop. Input not output  Most that I have come across seem to stop working ataround 80V Ah. But there's no reason why an SMPS can't work from any voltage - I've got a handy little circuit that produces 12 volts with an input of 3 - 30 volts. Germanium switchers can run off a single solar cell NT |
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