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Message: <blockquote data-quote="Matador" data-source="post: 1153123" data-attributes="member: 44464">True, but it seems odd to go to all the effort, and add $10 worth of components and complexity in order to protect a $2 capacitor. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />In my tube supplies, I have a similar soft-start as what I posted above, and the RC on the gate keeps the B+ under 68% of it's max until about 10 seconds after the heaters are energized.  Heater inrush is controlled with an NTC on the primary (which tends to help all of the secondary rails simultaneously).</blockquote>