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4hv.org :: Forums :: Tesla Coils

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computer heatsink on igbt's

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Fraggle

Sun Jul 05 2009, 04:34PM

Registered Member #1526 Joined: Mon Jun 09 2008, 12:56AM
Location: UK
Posts: 216

Thanks.

brtaman

Sun Jul 05 2009, 11:15PM

Registered Member #2161 Joined: Fri Jun 05 2009, 03:36PM
Location:
Posts: 247

I am very pleased that the members of this forum are aware of the extreme dangers imposed upon our species by the despicable compound; dihydrogen monoxide. :)

Sorry for turning this thread completely of-topic audio:deviant. How bad is the fit of the heatsinks onto the board? Computer heatsinks could very easily be modified with a dremel or a saw in combination with some sandpaper, have you considered this option? I have cut and hacked into many PC heatsinks when they very too large for a given application.

Thanks
brtaman

Nicko

Mon Jul 06 2009, 05:37AM

Registered Member #1334 Joined: Tue Feb 19 2008, 04:37PM
Location: Nr. London, UK
Posts: 615

audio:deviant wrote ...

hello this might be a silly question, i was going to use a couple computer heat sink's but they wont fit on the eastern voltage half bridge printed board. so my question is can i mount them elsewhere and wire them to the board or will this cause too much resistance issues?

I use them in small bridges - the ones here are from an old 486 machine in a new project I'm working on - I edge mount the FETs/IGBTs - you can just see the fans in this photo

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