Quote:
Originally Posted by Chris55000
"Capacitor droppers" - *DON'T!!!* I don't believe there's any type of paper/polyester capacitor on the market that will withstand a 150mA-250mA sustained current flow to run heaters in an old radio.
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A modern metallised film capacitor will be well within its ratings at 50Hz. Indeed many are designed to be stuck across 230V ac supplies for suppression or power factor correction purposes. Such components are available up to several μF.
Edward