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Resistors

Please choose from the following RESISTOR Sub-Catagory choices:

CARBON FILM

Carbon Film Resistors

METAL OXIDE

METAL OXIDE

CARBON COMPOSITION

CARBON COMPOSITION

CEMENT WIREWOUND

 CEMENT WIREWOUND

HEAVY DUTY WIREWOUND

HEAVY DUTY WIREWOUND

NON-INDUCTIVE

NON-INDUCTIVE

METER SHUNT RESISTOR FOR HEATKIT

Meter Shunt Resistors

 

SMT RESISTOR KIT

SMT RESISTOR KIT

 

Most resistors are color coded with multiple bands to identify the resistance value and the tolerance. While actually measuring the resistance before using it is a good idea, it's also a good idea to know what the resistance is supposed to be. Resistors (especially carbon composition) can drift in their actual resistance. Keep a stock of fresh resistors on hand. Use the following Standard EIA color code tables to identify resistors, or you can calculate the values on your your resistors using our handy resistance calculator.

4 Band Resistors4 band resistor

Color1st Band
(1st Figure)
2nd Band
(2nd Figure)
3rd Band
(Multiplier)
4th Band
(Tolerance)
Black   0 100  
Brown 1 1 101 ±1%
Red 2 2 102 ±2%
Orange 3 3 103  
Yellow 4 4 104  
Green 5 5 105 ±0.5%
Blue 6 6 106 ±0.25%
Violet 7 7 107 ±0.1%
Grey 8 8 108 ±0.05%
White 9 9 109  
Gold     10-1 ±5%
Silver     10-2 ±10%

5 Band Resistors5 band resistor

Color1st Band
(1st Figure)
2nd Band
(2nd Figure)
3rd Band
(Multiplier)
4th Band
(Tolerance)
5th Band
(Tolerance)
Black   0 0 100  
Brown 1 1 1 101 ±1%
Red 2 2 2 102 ±2%
Orange 3 3 3 103  
Yellow 4 4 4 104  
Green 5 5 5 105 ±0.5%
Blue 6 6 6 106 ±0.25%
Violet 7 7 7 107 ±0.1%
Grey 8 8 8 108 ±0.05%
White 9 9 9 109  
Gold       10-1 ±5%
Silver       10-2 ±10%

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  1. 6½HA IRC Wire Wound Resistor 50K Ohms 100 Watts (NOS/NIB)

    6½HA IRC Wire Wound Resistor 50K Ohms 100 Watts (NOS/NIB)

    $29.91

    • Resistance: 50K Ohms
    • Watts: 100 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R50K-100

    Made in the USA

  2. 6½HA IRC Wire Wound Resistor 25K Ohms 100 Watts (NOS/NIB)

    6½HA IRC Wire Wound Resistor 25K Ohms 100 Watts (NOS/NIB)

    $24.91

    • Resistance: 25K Ohms
    • Watts: 100 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R25K-100

    Made in the USA

  3. 10½H IRC Wire Wound Resistor 210K Ohms 225 Watts (NOS)

    10½H IRC Wire Wound Resistor 210K Ohms 225 Watts (NOS)

    $24.91

    • Resistance: 210K Ohms
    • Watts: 225 (nominal)
    • Contact: Solder Tabs

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistance Company
    SKU: IRC-R210K-225

    Made in the USA

  4. MVZ IRC Wire Wound Resistor 15-Meg Ohms (Pull)

    MVZ IRC Wire Wound Resistor 15-Meg Ohms (Pull)

    $22.91

    • Resistance: 15,000,000 Ohms
    • Contact: Solder Tabs

    Used * No longer available for export
    MFR: International Resistance Company
    SKU: IRC-MVZ-15MEG

    Made in the USA

  5. 4½EA IRC Wire Wound Resistor 6K Ohms 50 Watts (NOS/NIB)

    4½EA IRC Wire Wound Resistor 6K Ohms 50 Watts (NOS/NIB)

    $19.91

    • Resistance: 6K Ohms
    • Watts: 50 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R6K-50

    Made in the USA

  6. 4½EA IRC Wire Wound Resistor 8K Ohms 50 Watts (NOS/NIB)

    4½EA IRC Wire Wound Resistor 8K Ohms 50 Watts (NOS/NIB)

    $19.91

    • Resistance: 8K Ohms
    • Watts: 50 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R8K-50

    Made in the USA

  7. Type 4D IRC Wire Wound Resistor 25K Ohms 50 Watts (Pull)

    Type 4D IRC Wire Wound Resistor 25K Ohms 50 Watts (Pull)

    $19.91

    • Resistance: 25,000 Ohms
    • Watts: 50 (nominal)
    • Contact: Solder Tabs
    • Includes Mounting brackets

    Used * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R25K-50-P

    Made in the USA

  8. 61/2E IRC Wire Wound Resistor 50 Ohms 100 Watts (NOS)

    61/2E IRC Wire Wound Resistor 50 Ohms 100 Watts (NOS)

    $18.91

    • Resistance: 50 Ohms
    • Watts: 100 (nominal)
    • Contact: Solder Tabs

    New Old Stock * No longer available for export
    MFR: IRC a Division of TRW Inc.
    SKU: IRC-R100-50

    Made in the USA

  9. 6½HA IRC Wire Wound Resistor 10K Ohms 100 Watts (NOS/NIB)

    6½HA IRC Wire Wound Resistor 10K Ohms 100 Watts (NOS/NIB)

    $18.91

    • Resistance: 10K Ohms
    • Watts: 100 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R10K-100

    Made in the USA

  10. Type 4D IRC Wire Wound Resistor 10K Ohms 50 Watts (Pull)

    Type 4D IRC Wire Wound Resistor 10K Ohms 50 Watts (Pull)

    $18.91

    • Resistance: 10,000 Ohms
    • Watts: 50 (nominal)
    • Contact: Solder Tabs
    • Includes Mounting brackets

    Used * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R10K-50-P

    Made in the USA

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