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Watch this Capacitor Vent Smoke…So Much Smoke!

Absolutely most-definitely don’t even think about trying this at home, but…definitely most-absolutely be sure to watch the video below to know what’s possible. I frankly had no idea a capacitor was capable of so much smoke. The 220µF capacitance rating can be seen on the lid of the component, but I don’t see a voltage rating so it’s unclear what they’re potentially pumping through the component – what appears to be a Nichicon electrolytic capacitor, possibly one of their large can type aluminum caps, maybe the LGL, LGM, or similar capacitor. Either way I’m all ԅ(☉Д☉)╮

(that little flash of electricity near the end is a nice touch too!)


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3 Comments

  1. If the Mythbusters had done it, that cap would have exploded!

  2. …but it’s supposed to be blue!

  3. I’ve seen large electrolytic capacitors fail from generated voltage in e-bike hub motors – they exploded inside the controller housing, filling it with shredded insulating material.

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