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Old 8th May 2009, 10:46 PM   #801
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Hi Christian -

Regarding your PSU board... What's the area in the red oval for in the attached image???

Thanks,
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Old 9th May 2009, 06:05 AM   #802
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Quote:
Originally posted by specialidiot


The heatsink is a Conrad MF35-151.5

Specs herehttp://www.conradheatsinks.com/produ...at100_350.html
what bias, temperature of heatsink and case of devices you are running
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Old 9th May 2009, 06:40 AM   #803
cviller is offline cviller  Denmark
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Quote:
Originally posted by sandbasser
Hi Christian -

Regarding your PSU board... What's the area in the red oval for in the attached image???

Thanks,

That is the connection to the negative rail.
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Old 9th May 2009, 01:05 PM   #804
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Quote:
Originally posted by samoloko


what bias, temperature of heatsink and case of devices you are running

Bias is according to Mr Pass' instructions, the case is a TO-3P, and I don't have a way to measure the temperature of the heatsink. I can leave my hand on it but it does get a bit uncomfortable.
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Old 15th May 2009, 01:51 AM   #805
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Default Your suggestion appreciated

Christian,
I've got a bunch of Panasonic T-HA 33,000uF 35V 105deg 35mm x 80mm 'industrial' grade caps I'd like to use with your PSU boards. The ESR is really low .015 (lower than any of the THSAs) and all other specs equiv. But these are std 4-terminal mount, top vent !
Question, what would you suggest as best/possible way to adapt to your boards 10mm 2pin pattern?

Charles
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Old 15th May 2009, 06:05 AM   #806
cviller is offline cviller  Denmark
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Do you have a pin layout of those caps? I couldn't find it in the digikey datasheet.
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Old 15th May 2009, 07:40 AM   #807
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Actually 39,000uF T-HA ECET1VA393EA DigiKey P10628-ND

I do appreciate your opinion!
Charles
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Old 15th May 2009, 11:09 AM   #808
cviller is offline cviller  Denmark
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Quote:
Originally posted by cowboy99
Actually 39,000uF T-HA ECET1VA393EA DigiKey P10628-ND

I do appreciate your opinion!
Charles
Are the "extra" pins to be connected to gnd or + or nothing at all?
It should be fairly simple to drill new holes and just bend the legs to touch the solder pads. Alternatively, you can remove the solder mask on the rail traces and solder them in directly, just remember that you need to use the plated holes in order to reach the gnd plane on the top side of the pcb, so no drilling through those holes.
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Old 15th May 2009, 11:24 AM   #809
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Thanks,
That's what I was planning just wanted to run it by you. These caps are somewhat excessive but the specs are certainly sweet. How's the BA1 coming? Not that I don't have enough lined up already.
Charles
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Old 16th May 2009, 08:30 AM   #810
alazira is offline alazira  United States
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Default Re: Your suggestion appreciated

Quote:
Originally posted by cowboy99
Christian,
I've got a bunch of Panasonic T-HA 33,000uF 35V 105deg 35mm x 80mm 'industrial' grade caps I'd like to use with your PSU boards. The ESR is really low .015 (lower than any of the THSAs) and all other specs equiv. But these are std 4-terminal mount, top vent !
Question, what would you suggest as best/possible way to adapt to your boards 10mm 2pin pattern?

Charles

Hi, I ordered these 4 pin type panasonics (mine were TSUP series). The extra two pins do nothing. I think they are to force a certain orientation so you don't put them in the wrong way. I just cut them because they were in the way with no ill effect.
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