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Old 17th February 2009, 04:56 AM   #1
poynton is offline poynton  United Kingdom
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Default Silicon Carbide Schottky Diodes

Hi.

Does anyone know a supplier of silicon carbide schottky diodes "at a reasonable price"?

thanks
Andy
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Old 17th February 2009, 03:13 PM   #2
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Old 18th February 2009, 06:04 AM   #3
poynton is offline poynton  United Kingdom
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Nobody used them?


nobody knows a supplier ?


Andy
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Old 18th February 2009, 11:11 AM   #4
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Define "reasonable", all the ones I know of are an order of magnitude or two above silicon, almost into GaAs territory. But, not nearly as bad as NOS glass diodes.
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Old 18th February 2009, 11:54 AM   #5
poynton is offline poynton  United Kingdom
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whatever......


Andy
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Old 18th February 2009, 12:22 PM   #6
Tweeker is offline Tweeker  United States
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Digikey carries them now.
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Old 18th February 2009, 04:35 PM   #7
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Default Re: Silicon Carbide Schottky Diodes

Quote:
Originally posted by poynton
Hi.

Does anyone know a supplier of silicon carbide schottky diodes "at a reasonable price"?

thanks
Andy
Well well well, I didn't know you were so into fancy parts Andy

I'll be watching this thread with interest. The Farnell prices not good enough for you? I think they're ok if you're just doing a pre-amp or output stage in a CD player, but not cheap enough to do all psus...

Simon
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Old 24th February 2009, 02:08 PM   #8
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Been Googling. Found this:
http://www.audioasylum.com/scripts/t...weaks&m=123567

I'll be saving my money and messing with some HEXFRED types I think.

Simon
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Old 24th February 2009, 02:16 PM   #9
Eva is offline Eva  Spain
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Please don't waste these diodes in 50Hz rectification... Even the slowest diode bridge will do that work perfectly.

SiC diodes are "fragile" too, they may not survive inrush current in conventional 50Hz rectifier circuits.

There is no SiC at a reasonable price, they are an order of magnitude more expensive than conventional diodes for a reason: No reverse recovery in a 600V diode.
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