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Old 2nd February 2005, 01:08 PM   #1
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Default Help with Resistor Please

Hi,

I'm trying to determine the manufacturer of this resistor. There are no markings on it. Measured characteristics:

Length = .221"/5,6 mm
Diameter = .069"/1,8 mm
Resistance = 42.2 R

I'm concerned with the thermal characteristics (R vs. T) because of the intended location of this device and would like to be able to get some data from the manf., if possible.

Thanks for any help!
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Old 2nd February 2005, 03:12 PM   #2
Apex Jr is offline Apex Jr  United States
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Because of the 2 extening end pieces I would venture
a guess and say there made by IRC (International
Resistance Corp). Most of the resistors I've seen with
those end pieces have been made by them...
Steve @ Apex Jr.
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Old 2nd February 2005, 03:34 PM   #3
Magura is offline Magura  Denmark
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Either that, or they are Russian military resistors, I got a truckload of those and they look just like yours.

Magura
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Old 2nd February 2005, 03:38 PM   #4
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Default Thanks!

Thanks so much for your help! Now my search has a starting point.

Mike
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Old 2nd February 2005, 08:27 PM   #5
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Why not just measure it? How you can possibly guess a resistor manufacturer by looking at it is beyond me - whats more, how will you know for sure which model you have?

Simpler just to measure its Tc! (ice point , boiling point - thats 100C differential right there! - should get a reasonable Tc measurement from that)
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Old 2nd February 2005, 09:39 PM   #6
AndrewT is offline AndrewT  Scotland
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Nice lateral thinking TwoSpoons.
Why can't the rest of us see the obvious.
Life just seems to be too difficult I suppose.
regards Andrew T.
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