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Old 27th October 2009, 04:59 PM   #1
SolderN is offline SolderN  United States
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Default Resistor type identification

I picked up a ton these resistors from an retired repair man. The gray one is made by IRC and is ceramic. The large black is made by PRC and I think it's wire. The small black one is wire and it's made by PRC.
I am not sure about the wattage rating and weather they are non inductive.
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Old 27th October 2009, 05:09 PM   #2
T in AZ is offline T in AZ  United States
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I believe the top and bottom ones are inductors, take off the covering and see.
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Old 27th October 2009, 09:01 PM   #3
SolderN is offline SolderN  United States
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The thing is that they only have a resistance rating on them the small black one is 10k 1% the large black one is 50k .1%. I took apart one of the bottom ones it is wound with very thin wire.
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Old 27th October 2009, 11:19 PM   #4
Minion is offline Minion  Canada
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They are wire wound resistors , they are inductive resistors ....

the one in the middle looks a lot like some old canadian made resistors I found in an old stereo a while back , I never used them so I couldn"t tell you if they are very good or not but I think they were 3 or 5 watt carbon types ...


Cheers
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Old 28th October 2009, 03:58 PM   #5
SolderN is offline SolderN  United States
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Ok
So all wire wound resistors are inductive I read elsewhere that some where not inductive in the audio range which is why I asked.
I thought the gray ones were carbon comp too till I cracked one open and found a white slug in the center.
Thanks for the help guys!
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Old 28th October 2009, 04:41 PM   #6
Apex Jr is offline Apex Jr  United States
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SolderN
The grey one in the middle looks like a RN Series Metal film
resistor RN 55,60,or 65 with a F for 1%

Steve @ Apex Jr.
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Old 28th October 2009, 09:16 PM   #7
SolderN is offline SolderN  United States
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Ok so those are old school metal films.
Thanks Steve!
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