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Need to isolate IXYS Eco-Pac diode bridges?
Need to isolate IXYS Eco-Pac diode bridges?
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Old 28th November 2009, 07:26 PM   #1
lgreen is offline lgreen  United States
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Default Need to isolate IXYS Eco-Pac diode bridges?

I've got a bunch of IXYS superfast high power bridge rectifiers in the Eco-pac and was wondering if you need an electrical isolator / thermal pad for them as they have a metallic or ceramic suface on the bottom that mounts to the chassis/ heat sink.

Link to Datasheet

Am I reading the data sheet correctly that this is a ceramic that will isolate the device to 3000 volts? If so I can mount directly with just paste and no mica or thermal pads.
Retired from DIY (2010) but still lurking now and again. My DIY audio projects- PartTimeProjects.com.
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Old 30th November 2009, 01:26 PM   #2
bequerel is offline bequerel  Norway
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I modified a Lite Audio DAC-60 with one of these a few years back.
Do not think that you need extra insulation. I just bolted it directly to the chassis after having measured that none of the pins were in direct contact with the metal backside of the bridge. The DAC still works flawlessly.
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Old 1st December 2009, 02:38 AM   #3
amc184 is offline amc184  New Zealand
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Need to isolate IXYS Eco-Pac diode bridges?
If you want to isolate odd size stuff, I usually use sheet of silicone type insulation cut to size. You can get some pretty cheap on eBay, search for 'cho-therm', that's the stuff I used on my last amplifier.
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