Riedon is a resistor manufacturing company, specializing in Power Resistors, Precision Resistors, and High Temperature Resistors.
Riedon Resistors
sales@riedon.com
Heat Sink & TO Type

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TechnologyFoil (CuNiMn)Foil (CuNiMn)Foil (CuNiMn)Foil (CuNiMn)Foil (NiCr)Foil (NiCr)
Power15 Watt30 Watt350 To 2.5 kWatt60 To 80 Watt10 To 15 Watt10 To 15 Watt
Resistance0.002 To 50 Ohms0.002 To 50 Ohms0.001 To 500 Ohms0.001 To 100 Ohms0.5 To 150 k Ohms0.2 To 80 Ohms
Tolerance0.1 %0.1 %0.1 %0.1 %0.01 %0.01 %
TCR15 ppm15 ppm15 ppm15 ppm3 ppm1 ppm
Part NumberFPR 2/4-T220 T221FPR 2-T218FHR 2/4-8065, 80110, 80216, 80320, 80370FPR FNR 2-T227, 4-T227USR UNR 2-T220, T220B, T221USR UNR 4-T220, T220B, T221
 
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TechnologyFoil (NiCr)Foil (NiCr)Thick FilmThick FilmThick FilmThick Film
Power30 To 50 Watt30 Watt30 Watt50 Watt50 To 100 Watt100 Watt
Resistance0.05 To 500 Ohms50 Ohms0.02 To 100 k Ohms0.02 To 15 k Ohms0.1 To 100 k Ohms0.05 To 5 M Ohms
Tolerance0.01 %1 %1 %1 %1 %1 %
TCR1 ppm5 ppm50 ppm50 ppm50 ppm50 ppm
Part NumberUSR UNR 4-3425, 3825, 3825H, 4020UHN 2-3825DNPR 2-T220 T221NHR 2-T220 T221KPR KHR 2-T218KPR KPN 2/4-T227
 
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TechnologyThick FilmThick FilmThick FilmThin FilmThin FilmThin Film
Power200 Watt600 To 900 Watt300 Watt10 To 50 Watt5 To 20 Watt100 To 140 Watt
Resistance0.05 To 5 M Ohms100 To 1 k Ohms0.5 To 270 Ohms0.01 To 51 k Ohms0.01 To 51 k Ohms0.01 To 51 k Ohms
Tolerance1 %10 %5 %0.05 %0.05 %1 %
TCR50 ppm100 ppm250 ppm5 ppm5 ppm50 ppm
Part NumberKHR KHN 2/4-T227KHR 4-T600 T900TFBRPF2200PF1260PF2470
 
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TechnologyWirewound
Power5 To 300 Watt
Resistance0.01 To 250 k Ohms
Tolerance0.01 %
TCR20 ppm
Part NumberUAL