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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Resistor colour code problem
I have a resistor that I cannot read the colour code on. There are 2
photos of it at http://www.uuuu.co.uk/resistor/ Can anyone advise? Thanks Julian |
#2
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Resistor colour code problem
On Dec 31, 11:31*am, wrote:
I have a resistor that I cannot read the colour code on. There are 2 photos of it at http://www.uuuu.co.uk/resistor/ Can anyone advise? Thanks Julian Probably 2.2ohm 1/4 watt red 2, red 2, silver 10% gold 5% (tolerance) it acts like a fuse. Better check for a short after that or you'll be burning those as fast as you can replace them. |
#3
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Resistor colour code problem
"Floyd Gilmour" wrote in message ... On Dec 31, 11:31 am, wrote: I have a resistor that I cannot read the colour code on. There are 2 photos of it at http://www.uuuu.co.uk/resistor/ Can anyone advise? Thanks Julian Probably 2.2ohm 1/4 watt red 2, red 2, silver 10% gold 5% (tolerance) it acts like a fuse. Better check for a short after that or you'll be burning those as fast as you can replace them. I think the value is lower than that. Silver as a multiplier is x.01, so probably 0.22 ohms at 5% tolerance. Have a look at http://www.dc-daylight.ltd.uk/Valve-...our-Codes.html which should confirm it. I would agree, however, that there is probably something else wrong, for the resistor to have failed like this. If it is an output transistor emitter resistor, then the transistor it is connected to, as well as possibly others in the vicinity, is almost certainly fried. Arfa |
#5
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Resistor colour code problem
wrote:
I have a resistor that I cannot read the colour code on. There are 2 photos of it at http://www.uuuu.co.uk/resistor/ Can anyone advise? Thanks Julian http://www.dannyg.com/examples/res2/resistor.htm -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
#6
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Resistor colour code problem
On Mon, 31 Dec 2007 16:15:33 -0500, Jamie
t wrote: -- "I'd rather have a bottle in front of me than a frontal lobotomy" He's the kind of guy who would pat you on the back in front of your face, and "Daily Thought: SOME PEOPLE ARE LIKE SLINKIES. NOT REALLY GOOD FOR ANYTHING BUT THEY BRING A SMILE TO YOUR FACE WHEN PUSHED DOWN THE STAIRS. http://webpages.charter.net/jamie_5" If you are inclined to email me for some reason, remove NOPSAM :-) |
#7
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Resistor colour code problem
Maybe the R's are still good (even tho' overheated)
If I am correct, most resistors would fail Open-Circuit. Perhaps a Low Value Ohmmeter will be able to give insight into the value. P wrote in message ... I have a resistor that I cannot read the colour code on. There are 2 photos of it at http://www.uuuu.co.uk/resistor/ Can anyone advise? Thanks Julian |
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