Resistor type identification

SolderN · 27th October 2009, 04:59 PM

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.

T in AZ · 27th October 2009, 05:09 PM

I believe the top and bottom ones are inductors, take off the covering and see.

SolderN · 27th October 2009, 09:01 PM

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.

Minion · 27th October 2009, 11:19 PM

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

SolderN · 28th October 2009, 03:58 PM

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!

Apex Jr · 28th October 2009, 04:41 PM

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.

SolderN · 28th October 2009, 09:16 PM

Ok so those are old school metal films.
Thanks Steve!

27th October 2009, 04:59 PM	#1
SolderN diyAudio Member Join Date: Aug 2009	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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27th October 2009, 05:09 PM	#2
T in AZ diyAudio Member Join Date: Jul 2009	I believe the top and bottom ones are inductors, take off the covering and see.

27th October 2009, 09:01 PM	#3
SolderN diyAudio Member Join Date: Aug 2009	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.

27th October 2009, 11:19 PM	#4
Minion diyAudio Member Join Date: May 2006	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

28th October 2009, 03:58 PM	#5
SolderN diyAudio Member Join Date: Aug 2009	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!

28th October 2009, 04:41 PM	#6
Apex Jr diyAudio Member Join Date: Jun 2002 Location: Torrance, Calif	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.

28th October 2009, 09:16 PM	#7
SolderN diyAudio Member Join Date: Aug 2009	Ok so those are old school metal films. Thanks Steve!

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