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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. IRC10W11K  Wirewound Resistor, 11k ohm 10 watts, IRC

    IRC10W11K Wirewound Resistor, 11k ohm 10 watts, IRC

    IRC10W11K  Fixed Wirewound Resistor, 11k ohm 10 watts, Solder Tab, MFR: IRC


  2. Type 4DA IRC Wire Wound Resistor 100 Ohms 50 Watts (Pull)

    Type 4DA IRC Wire Wound Resistor 100 Ohms 50 Watts (Pull)

    $5.91

    • Resistance: 100 Ohms
    • Watts: 50 (nominal)
    • Contact: Solder Tabs
    • Includes Mounting brackets
    • 4" long x  5/8" diameter

    Used * No longer available for export
    MFR: International Resistnce Company (Division of TRW)
    SKU: 4DA-100-50-P

    Made in the USA
  3. 4DA50-25  Wirewound Resistor(Adjustable), 25 ohm 50 watt, IRC

    4DA50-25 Wirewound Resistor(Adjustable), 25 ohm 50 watt, IRC

    $9.95

    4DA50-25  Adjustable/Fixed Wirewound Resistor(w/slider), 25 ohm 50 watt, Solder Tabs, MFR: IRC


  4. Type 4D IRC Wire Wound Resistor 500 Ohms 50 Watts (Pull)

    Type 4D IRC Wire Wound Resistor 500 Ohms 50 Watts (Pull)

    $12.91

    • Resistance: 500 Ohms
    • Watts: 50 (nominal)
    • Contact: Solder Tabs
    • Includes Mounting brackets

    Used * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R500-50-P

    Made in the USA

  5. 2½DA IRC Wire Wound Resistor 8k Ohms 25 Watts (NOS/NIB)

    2½DA IRC Wire Wound Resistor 8k Ohms 25 Watts (NOS/NIB)

    $14.91

    • Resistance: 8k Ohms
    • Watts: 25 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R8K-25

    Made in the USA

  6. 2½DA IRC Wire Wound Resistor 4K Ohms 25 Watts (NOS/NIB)

    2½DA IRC Wire Wound Resistor 4K Ohms 25 Watts (NOS/NIB)

    $15.91

    • Resistance: 4k Ohms
    • Watts: 25 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R4K-25

    Made in the USA

  7. 2½DA IRC Wire Wound Resistor 2K Ohms 25 Watts (NOS/NIB)

    2½DA IRC Wire Wound Resistor 2K Ohms 25 Watts (NOS/NIB)

    $15.91

    • Resistance: 2k Ohms
    • Watts: 25 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R2K-25

    Made in the USA

  8. 2½DA IRC Wire Wound Resistor 7K Ohms 25 Watts (NOS/NIB)

    2½DA IRC Wire Wound Resistor 7K Ohms 25 Watts (NOS/NIB)

    $15.91

    • Resistance: 7k Ohms
    • Watts: 25 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R7K-25

    Made in the USA

  9. 2½DA IRC Wire Wound Resistor 750 Ohms 25 Watts (NOS/NIB)

    2½DA IRC Wire Wound Resistor 750 Ohms 25 Watts (NOS/NIB)

    $16.91

    • Resistance: 750 Ohms
    • Watts: 25 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R750-25

    Made in the USA

  10. 2½DA IRC Wire Wound Resistor 12K Ohms 25 Watts (NOS/NIB)

    2½DA IRC Wire Wound Resistor 12K Ohms 25 Watts (NOS/NIB)

    $16.91

    • Resistance: 12k Ohms
    • Watts: 25 (nominal)

    New Old Stock * New In Box * No longer available for export
    MFR: International Resistnce Company
    SKU: IRC-R12K-25

    Made in the USA

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