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Electronic Circuit Resistors

When you need a resistor to stabilize your current, go to the internet’s premier resistor distributor: Electronic Surplus. The electrical resistor circuits for sale in our inventory will help keep your devices running smoothly and safely.  

We take pride in our work as a distributor, so we put in the effort to offer you a large variety of quality products. We carry products ranging from high voltage and carbon film to non-inductive and power resisters, so you can find the electrical resistor circuit for sale that suits your needs. If our current listings do not show your resistor in stock, please submit a part request and we will be in contact with you shortly.  

Shop our selection of resistor circuits below. 

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  1. Common Wattage 40 Watt Remove This Item
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  1. Power Resistor 27 items
  2. Wirewound Resistor 27 items
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  1. 1/42W 1 item
  2. 1/20 W 4 items
  3. 1/16 W 41 items
  4. 1/10 W 79 items
  5. 1/8 W 298 items
  6. 1/5 W 2 items
  7. 2/10 W 11 items
  8. 1/4 W 539 items
  9. 1/4W 62 items
  10. 3/10 W 3 items
  11. 1/3 W 8 items
  12. 1/3W 1 item
  13. 0.063 Watt 1 item
  14. 3/8 W 5 items
  15. 4/10 W 68 items
  16. 1/2 W 459 items
  17. 3/4 W 53 items
  18. 1 Watt 340 items
  19. 1 W 2 items
  20. 42/32 W 1 item
  21. 2 Watt 262 items
  22. 3 Watt 274 items
  23. 4 Watt 7 items
  24. 5W 1 item
  25. 5 Watt 266 items
  26. 5.8 Watt 1 item
  27. 6 Watt 2 items
  28. 7 Watt 11 items
  29. 8 Watt 29 items
  30. 10 Watt 211 items
  31. 11 Watt 17 items
  32. 12.5W 1 item
  33. 12.5 W 4 items
  34. 12 Watt 62 items
  35. 14 Watt 2 items
  36. 15 Watt 16 items
  37. 20 Watt 79 items
  38. 21 Watt 1 item
  39. 20-25 W 1 item
  40. 25 Watt 123 items
  41. 25W 8 items
  42. 30 Watt 36 items
  43. 32 Watt 4 items
  44. 35 Watt 36 items
  45. 40 Watt 27 items
  46. 42 Watt 4 items
  47. 45 Watt 9 items
  48. 47 Watt 7 items
  49. 50 Watt 143 items
  50. 55 Watt 14 items
  51. 55W 1 item
  52. 60 Watt 12 items
  53. 65 Watt 13 items
  54. 70 Watt 14 items
  55. 75W 2 items
  56. 75 Watt 56 items
  57. 80 Watt 43 items
  58. 90 Watt 5 items
  59. 95 Watt 6 items
  60. 100 Watt 154 items
  61. 110 Watt 6 items
  62. 115 Watt 1 item
  63. 116W 1 item
  64. 118 Watt 1 item
  65. 120 Watt 22 items
  66. 125 Watt 5 items
  67. 130 Watt 51 items
  68. 135 Watt 2 items
  69. 140 Watt 2 items
  70. 145 Watt 4 items
  71. 150 Watt 36 items
  72. 155 Watt 10 items
  73. 160 Watt 40 items
  74. 168 Watt 1 item
  75. 175 Watt 14 items
  76. 180 Watt 4 items
  77. 200 Watt 35 items
  78. 200-225 W 1 item
  79. 203 Watt 1 item
  80. 210 Watt 5 items
  81. 215 Watt 1 item
  82. 218 Watt 1 item
  83. 220 Watt 1 item
  84. 225 Watt 37 items
  85. 226 Watt 1 item
  86. 250 Watt 1 item
  87. 240 Watt 16 items
  88. 295 Watt 2 items
  89. 300 Watt 37 items
  90. 375 Watt 5 items
  91. 400 Watt 11 items
  92. 420 Watt 3 items
  93. 500 Watt 7 items
  94. 550 Watt 6 items
  95. 1500 Watt 1 item
  96. Not Specified 357 items
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Sub Identifier  
  1. Ceramic 26 items
mΩ - milli-ohm  
0mΩ 1Ω 0mΩ to 1Ω
Ω - ohm  
1Ω 1KΩ 1Ω to 1KΩ
kΩ - kilo-ohm  
1kΩ 1MΩ 1kΩ to 1MΩ
MΩ - mega-ohm  
1MΩ 10GΩ 1MΩ to 10GΩ
Tolerance  
  1. 5% 16 items
  2. 10% 1 item
  3. N/A 9 items
Manufacturer  
  1. Milwaukee 2 items
  2. NOBLE 1 item
  3. Ohmite 14 items
  4. Ward Leonard 10 items
Unit of Measure  
  1. Each 14 items
Price  
$0 $470 $0 to $470
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Items 1-24 of 27

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  1. WARD LEONARD - RWO40W0.5 - Resistor, ceramic. 0.5 Ohm 40W.
    WARD LEONARD - RWO40W0.5 - Resistor, ceramic. 0.5 Ohm 40W.
    Special Price $6.98 Regular Price $8.50
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    Resistor, ceramic. Resistance: 0.5 Ohm. Power: 40 watt. Tolerance: 10%. Technology: wirewound. Enamel coated. Dimensions: 2.019" long x 1.222" wide x 0.460" thick. Overall with mount 3.3" long. Radial lug. Stackable bracket. Light green. Learn More
  2. OHMITE - 496A740AAP-1 - Resistor, Ceramic. 1 Ohm 40W.
    OHMITE - 496A740AAP-1 - Resistor, Ceramic. 1 Ohm 40W.
    Special Price $7.98 Regular Price $9.95
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    OHMITE - 496A740AAP-1 - Resistor, ceramic.

    Resistance: 1 Ohm.

    Power: 40 watt.

    Tolerance: 5%.

    echnology: wirewound.

    Enamel coated.

    Dimensions: 1.060" D x 3-1/4" long. ID is 0.610" diameter.

    Contacts: copper stranded wire.

    Note: Marked 41695.

    Learn More
  3. OHMITE - 496A740AC-44 - Resistor, ceramic. 1.5 Ohm 40W. 3.25" L.
    OHMITE - 496A740AC-44 - Resistor, ceramic. 1.5 Ohm 40W. 3.25" L.
    $5.99
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    Resistor, ceramic. Resistance: 1.5 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.1" D x 3.25" long. Overall length with ceramic insulators 4-1/8" long. Complete with mount feet which are the electrical contacts. Learn More
  4. Noble - RGU40FV - Resistor, power. 4.3 Ohm 40 watt.
    Noble - RGU40FV - Resistor, power. 4.3 Ohm 40 watt.
    $10.99
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    Resistor, power. Resistance: 4.3 Ohm. Power: 40 watt. Series HV. Material: cermet, ceramic, with attached metal bracket. Technology: wirewound. Note: Type RGU are UL-listed fusing and temperature limiting resistors (under file No. E62418). HV is equipped with a vertical mounting bracket. Two-male 1/4" QC terminals. Learn More
  5. WARD LEONARD - RWO40S10 - Resistor, ceramic. 10 Ohm 40W.
    WARD LEONARD - RWO40S10 - Resistor, ceramic. 10 Ohm 40W.
    Special Price $6.98 Regular Price $8.50
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    Resistor, ceramic. Resistance: 10 Ohm. Power: 40 watt. Technology: wirewound. Enamel coated. Dimensions: 2.019" long x 1.222" wide x 0.460" thick. Overall with mount 3.3" long. Radial lug. Stackable bracket. Light green. Learn More
  6. OHMITE - 496A740AAP-8 - Resistor, ceramic. 15 Ohm 40W.
    OHMITE - 496A740AAP-8 - Resistor, ceramic. 15 Ohm 40W.
    Special Price $7.98 Regular Price $9.95
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    Resistor, ceramic. Resistance: 15 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.060" D x 3-1/4" long. ID is 0.610" diameter. Contacts: copper stranded wire. Note: Marked 41695. Learn More
  7. WARD LEONARD - RWO40S50 - Resistor, ceramic. 50 Ohm 40W.
    WARD LEONARD - RWO40S50 - Resistor, ceramic. 50 Ohm 40W.
    Special Price $6.98 Regular Price $8.50
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    Resistor, ceramic. Resistance: 50 Ohm. Power: 40 watt. Technology: wirewound. Enamel coated. Dimensions: 2.019" long x 1.222" wide x 0.460" thick. Overall with mount 3.3" long. Radial lug. Stackable bracket. Light green. Learn More
  8. WARD LEONARD - 496A740AAP14 - Resistor, ceramic. 75 Ohm 40W. 3.25" L.
    WARD LEONARD - 496A740AAP14 - Resistor, ceramic. 75 Ohm 40W. 3.25" L.
    Special Price $7.98 Regular Price $9.95
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    Resistor, ceramic. Resistance: 75 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.065" D x 3.25" long. Contacts: copper stranded wire. Note: Marked 41695. Learn More
  9. OHMITE - RWF40W100 - Resistor, ceramic. 100 Ohm 40W.
    OHMITE - RWF40W100 - Resistor, ceramic. 100 Ohm 40W.
    $7.00
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    Resistor, ceramic. Resistance: 100 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.075" D x 3.295" long. Radial lug. Note: Marked 3-1/4-N-46-F. Learn More
  10. OHMITE - 496A740AAP-18 - Resistor, ceramic. 200 Ohm 40W.
    OHMITE - 496A740AAP-18 - Resistor, ceramic. 200 Ohm 40W.
    Special Price $7.98 Regular Price $9.95
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    Resistor, ceramic. Resistance: 200 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.060" D x 3-1/4" long. ID is 0.610" diameter. Contacts: copper stranded wire. Note: Marked 41695. Learn More
  11. WARD LEONARD - RWF42W300 - Resistor, ceramic. 300 Ohm 40W.
    WARD LEONARD - RWF42W300 - Resistor, ceramic. 300 Ohm 40W.
    $7.00
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    Resistor, ceramic. Resistance: 300 Ohm. Power: 40 watt. Technology: wirewound. Enamel coated. Dimensions: 0.828" D x 3.5" long. Radial lug with screws. Complete with mount feet at 4-5/8" centers. Learn More
  12. OHMITE - 496A740CX-4 - Resistor, ceramic. 380 Ohm 40W.
    OHMITE - 496A740CX-4 - Resistor, ceramic. 380 Ohm 40W.
    $5.99
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    Resistor, ceramic. Resistance: 380 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.1" D x 3.25" long. Contacts: stranded wire leads. Learn More
  13. WARD LEONARD - RWF40W400 - Resistor, ceramic. 400 Ohm 40W.
    WARD LEONARD - RWF40W400 - Resistor, ceramic. 400 Ohm 40W.
    Special Price $6.98 Regular Price $8.50
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    Resistor, ceramic. Resistance: 400 Ohm. Power: 40 watt. Technology: wirewound. Enamel coated. Dimensions: 1.201" D x 2.010" long. Radial lug. Learn More
  14. OHMITE - 496A740CX-5 - Resistor, ceramic. 400 Ohm 40W Tapped.
    OHMITE - 496A740CX-5 - Resistor, ceramic. 400 Ohm 40W Tapped.
    $5.99
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    Resistor, ceramic. Resistance: 400 Ohm. Power: 40 watt. Tolerance: 5%. Tapped. Technology: wirewound. Enamel coated. Dimensions: 1.1" D x 3.25" long. Contacts: stranded wire leads. Note: Tapped at 375 Ohm and 25 Ohm. Learn More
  15. OHMITE - 496A740AAP-27 - Resistor, ceramic. 900 Ohm 40W.
    OHMITE - 496A740AAP-27 - Resistor, ceramic. 900 Ohm 40W.
    Special Price $7.98 Regular Price $9.95
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    Resistor, ceramic. Resistance: 900 Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.060" D x 3-1/4" long. ID is 0.610" diameter. Contacts: copper stranded wire. Note: Marked 41695. Learn More
  16. OHMITE - 496A740AA-P23 - Resistor, Ceramic. 600 Ohm 40W. 3.25" L.
    OHMITE - 496A740AA-P23 - Resistor, Ceramic. 600 Ohm 40W. 3.25" L.
    Special Price $6.98 Regular Price $9.50 As low as $5.98
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    OHMITE - 496A740AA-P23 - Resistor, Ceramic Industrial Wire Wound.

    Resistance: 600 Ohm.

    Power: 40 watt.

    Tolerance: 5%.

    Technology: Wirewound.

    Enamel Coated.

    Dimensions: 1.1" Diameter x 3.25" Long.

    Contacts: Stranded Wire leads.

    Learn More
  17. WARD LEONARD - RWR40W1200 - Resistor, ceramic. 1.2K Ohm 40W.
    WARD LEONARD - RWR40W1200 - Resistor, ceramic. 1.2K Ohm 40W.
    $5.99
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    Resistor, ceramic. Resistance: 1.2K Ohm. Power: 40 watt. Technology: wirewound. Dimensions: 0.800" D x 4-7/8" long. Contacts: metal ferrule. Learn More
  18. OHMITE - 496A740AA-29 - Resistor, ceramic. 1.25K Ohm 40W.
    OHMITE - 496A740AA-29 - Resistor, ceramic. 1.25K Ohm 40W.
    $5.99
    Add to Wish List Add to Compare
    Resistor, ceramic. Resistance: 1.25K Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.1" D x 3.25" long. Contacts: stranded wire leads. Learn More
  19. WARD LEONARD - RWF40W3000 - Resistor, ceramic. 3K Ohm 40W.
    WARD LEONARD - RWF40W3000 - Resistor, ceramic. 3K Ohm 40W.
    Special Price $6.98 Regular Price $8.50
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    Resistor, ceramic. Resistance: 3K Ohm. Power: 40 watt. Technology: wirewound. Enamel coated. Dimensions: 1.069" D x 3.292" long. Radial lug. Learn More
  20. OHMITE - 496A740AB-P34 - Resistor, ceramic. 4K Ohm 40W.
    OHMITE - 496A740AB-P34 - Resistor, ceramic. 4K Ohm 40W.
    $5.99
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    Resistor, ceramic. Resistance: 4K Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.064" D x 3.25" long. Radial wire leads. Complete with ceramic insulators at each end and mount feet. Overall length is 4-1/8" long. Learn More
  21. OHMITE - 496A740AB-P34 - Resistor, ceramic. 4K Ohm 40W.
    OHMITE - 496A740AB-P34 - Resistor, ceramic. 4K Ohm 40W.
    $5.99
    Add to Wish List Add to Compare
    Resistor, ceramic. Resistance: 4K Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.073" D x 3.25" long. Radial wire leads. Learn More
  22. OHMITE - 496A740AA-P34 - Resistor, ceramic. 4K Ohm 40W.
    OHMITE - 496A740AA-P34 - Resistor, ceramic. 4K Ohm 40W.
    $5.99
    Add to Wish List Add to Compare
    Resistor, ceramic. Resistance: 4K Ohm. Power: 40 watt. Tolerance: 5%. Technology: wirewound. Enamel coated. Dimensions: 1.064" D x 3.25" long. Radial wire leads. Learn More
  23. Milwaukee - RWO40W4K - Resistor, ceramic. 4K Ohm 40W.
    Milwaukee - RWO40W4K - Resistor, ceramic. 4K Ohm 40W.
    $3.00
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    Resistor, ceramic. Resistance: 4K Ohm. Power: 40 watt. Technology: wirewound. Enamel coated. Flat. Dimensions: overall 4.814" long x 1.540" wide, including contacts x 0.515" high. radial lug, solderable. Stackable. Learn More
  24. Vishay Milwaukee - RBEF0040 - 9-32-4kR - Resistor, C 4K Ohm 40W .
    Vishay Milwaukee - RBEF0040 - 9-32-4kR - Resistor, C 4K Ohm 40W .
    Special Price $6.98 Regular Price $8.50
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    Vishay Milwaukee - RBF40W4K - Resistor, Ceramic.

    FEATURES
    • High temperature silicone or vitreous enamel coatings
    • Excellent for pulsing applications
    • All welded construction
    • Designed to meet heavy-duty requirements where space is at a premium

    Status: Discontinued

    Resistance: 4K Ohm.

    Power: 40 watt.

    Mount: Chassis

    Technology: Wirewound.

    Enamel Coated.

    Dimensions: 1.093" D x 3-1/4" long.

    Overall with ceramic insulators 3-7/8" long.

    Radial lug.

    Complete with attached mount feet.

    New Old Stock

     

    Learn More
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Items 1-24 of 27

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Category
  1. Power Resistor 27 items
  2. Wirewound Resistor 27 items
mΩ - milli-ohm
0mΩ 1Ω 0mΩ to 1Ω
Ω - ohm
1Ω 1KΩ 1Ω to 1KΩ
kΩ - kilo-ohm
1kΩ 1MΩ 1kΩ to 1MΩ
MΩ - mega-ohm
1MΩ 10GΩ 1MΩ to 10GΩ
Tolerance
  1. 5% 16 items
  2. 10% 1 item
  3. N/A 9 items
Manufacturer
  1. Milwaukee 2 items
  2. NOBLE 1 item
  3. Ohmite 14 items
  4. Ward Leonard 10 items
Price
$0 $470 $0 to $470
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