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Forums
4hv.org :: Forums :: Electromagnetic Projectile Accelerators
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Quick diode question

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Killa-X
Sat Aug 30 2008, 05:44PM Print
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
If im using 4 caps, Do i need 4 diodes? And how do i hook them?

Like.. Do i put a diode across each + - of a capacitor, and put it in parallel? Or what?
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GluD
Sat Aug 30 2008, 07:53PM
GluD Registered Member #1221 Joined: Wed Jan 09 2008, 06:17PM
Location: Odense, Denmark
Posts: 196
How you "hook" them depends on what your making i supose.
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rp181
Sat Aug 30 2008, 08:11PM
rp181 Registered Member #1062 Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
if its for a coilgun, you only need one in anti parrallel with the coil
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Killa-X
Sun Aug 31 2008, 03:05AM
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
Yeah, Thx. Got my big 400V 470uf caps today, only tested only but at only 100/400V and was able to bring a 5-inch metal rod i have, and bring it fully out of coil. but thats only 36 joules at its 400V max, im talking a low 100V xD

Ya. My SCR.. I cant even figure.
Link2

The datasheet isnt the best. They should label each pin for my model. But really, They dont at all :(
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youngcoilgunner
Sun Aug 31 2008, 03:36PM
youngcoilgunner Registered Member #1633 Joined: Tue Aug 12 2008, 04:21AM
Location:
Posts: 45
what rating are your diodes?
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