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Old 8th February 2009, 04:34 PM   #1
Tweeker is offline Tweeker  United States
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Default Where to by inductive wirewounds?

Im looking for wirewound resistors that are not Ayrton-Perry wound. Are there any in current production or vendors with a good selection of surplus?

I want them for plate loads, RC filters etc.
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Old 8th February 2009, 10:28 PM   #2
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All the el-cheapo's I get from Digikey show an inductance

Cheers!
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Old 9th February 2009, 03:57 AM   #3
infinia is offline infinia  United States
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Quote:
Originally posted by Geek
All the el-cheapo's I get from Digikey show an inductance

Cheers!

Most likely not in the higher values used in tube circuits.
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Old 13th February 2009, 02:05 AM   #4
jetbat is offline jetbat  United States
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Mills MRB resistors are inductive wirewound. The MRA are non inductive.
If you do a search for "Mill MRB resistor" you can find some different values at a few sites. Welbourn labs list them as non inductive, but then they have a picture of MRA type.
Scott B.
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Old 13th February 2009, 07:00 PM   #5
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Most likely won't find any past a few hundred ohms or so. You could DIY using really thin nichrome wire and a ceramic form. Better to just add an inductor in series with a resistor IMO.

edit>something like this with 1000V rating (tube plates)
http://thunder.manufacturer.globalso...d-Resistor.htm

in general http://www.globalsources.com/manufac...Resistors.html

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Old 14th February 2009, 04:43 AM   #6
jetbat is offline jetbat  United States
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Check out this place.
http://www.savantaudio.com/savant6.html

They have some Mills MRB 1k 5 watt, and in 12 watt they have 4k, 10k, 50k, and 82k.
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