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 Forum index » DIY Hardware and Software
Capacitor discharge time
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Kosmo Mishka



Joined: Apr 18, 2013
Posts: 45
Location: Moscow

PostPosted: Sat Mar 22, 2014 5:06 am    Post subject: Capacitor discharge time Reply with quote  Mark this post and the followings unread

I am just starting in DIY. Sometimes I see about that you need to discharge capacitor with resistor or bulb. Usually it is about huge capacitors. How long small capacitors like 1000uF 50V discharge on their own? Do you need to discharge them?
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elmegil



Joined: Mar 20, 2012
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Location: Chicago
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PostPosted: Sat Mar 22, 2014 12:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

It will depend on the load of what you're discharging through.

This might help: http://www.learnabout-electronics.org/ac_theory/dc_ccts43.php
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Blue Hell
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Joined: Apr 03, 2004
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PostPosted: Sat Mar 22, 2014 1:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

For 1000 µF 50 V I never bothered ... I did get some respect though for higher voltages on even smaller caps ... and how long it takes ... well they never get empty!

Anyway, those smaller things it is fine to just short 'm if you want to be safe .. afte rall the voltge may not hurt you, but when you put it into a circuit the circuit may not like it very much.

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