Resistors

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. Memcor - 5402843 - Resistor, ceramic. 0.2 Ohm 90W.
    Memcor - 5402843 - Resistor, ceramic. 0.2 Ohm 90W.
    $6.99
    Resistor, ceramic. Resistance: 0.2 Ohm. Power: 90 watt. Adjustable. Technology: wirewound. Enamel coated / Ribbed. Mount: panel, feet not included. Dimensions: 9/16" D (overall 7/8" D) x 4" long. Contacts: lug. Learn More
  2. Memcor - RW68VR20 - 0.2-OHM 10WT.
    Memcor - RW68VR20 - 0.2-OHM 10WT.
    Special Price $2.49 Regular Price $3.00 As low as $1.49

    Memcor - RW68VR20 RES 0.2-OHM 10Watt

    Axial new - 

    Learn More
  3. Memcor Tru Ohm - VL3-1R - Resistor, Ceramic. 1 Ohm 3W, Wirewound.
    Memcor Tru Ohm - VL3-1R - Resistor, Ceramic. 1 Ohm 3W, Wirewound.
    Special Price $1.29 Regular Price $1.95
    Memcor Tru Ohm - VL3-1R - Resistor, Ceramic. Resistance: 1 Ohm . Tolerance: 5%, Power: 3 Watt. Technology: Wirewound. 500 Volt, 1.80 Amps Max, Dimension: 0.575" x 0.194" Diameter, Axial Leads. Vitrous Enamel Coated. Learn More
  4. Memcor - VAL5-1R - Resistor, 1 Ohm. Power 5 watt, Wirewound Axial Leads.
    Memcor - VAL5-1R - Resistor, 1 Ohm. Power 5 watt, Wirewound Axial Leads.
    Special Price $2.98 Regular Price $3.50

    Memcor - VAL5-1R - Resistor.

    Resistance: 1 Ohm.

    Power: 5 watt.

    Tolerance: 5%.

    Technology: Wirewound.

    Dimension: 1.0" x 0.3" D Axial Leads.

    Enamel Coated.

    NSN 5905-00-055-3125

    Learn More
  5. Memcor - RHS1R0 - Rheostat. 1 Ohm 25W.
    Memcor - RHS1R0 - Rheostat. 1 Ohm 25W.
    $25.99
    Rheostat. Resistance: 1 Ohm. Power: 25 watt. 5.00Amp. Dimensions: 1-1/2" D x 1-1/4" high. Bushing: 3/8" D x 1/2" long. Shaft. 1/4" half flattened x 1/2" long. Series 2.5A. Learn More
  6. Memcor - RWR500W10 - Resistor, Ceramic. 10 Ohm 500W. V10WL.
    Memcor - RWR500W10 - Resistor, Ceramic. 10 Ohm 500W. V10WL.
    Special Price $64.98 Regular Price $80.00
    READY TO SHIP - ONLY 21 LEFT IN STOCK!

    Memcor - RWR500W10 Resistor, Ceramic.

    Resistance: 10 Ohm.

    Power: 500 watt. Ribbed.

    Technology: Wirewound.

    Vitreous Enamel Coated.

    High temperature rugged ribbed. 

    Dimensions: 1.7" D x 10.5" long.

    Radial lug.

    Note: Marked V10WL.

    Learn More
  7. Memcor - RR105/1.5R - Resistor. 1.5 Ohm 50W Adj.
    Memcor - RR105/1.5R - Resistor. 1.5 Ohm 50W Adj.
    Special Price $8.98 Regular Price $12.50
    Resistor, power. Resistance: 1.5 Ohm. Power: approximately 50 watt. Adjustable. Technology: wirewound. Package: ribbed enamel coated. Dimensions: 0.802" D x 5.023" long. Terminals: Radial lug. Learn More
  8. Memcor - RWR120W1.5 - Resistor, ceramic. 1.5 Ohm 120W.
    Memcor - RWR120W1.5 - Resistor, ceramic. 1.5 Ohm 120W.
    Special Price $16.98 Regular Price $20.00
    Resistor, ceramic. Resistance: 1.5 Ohm. Power: 120 watt. Ribbed. Technology: wirewound. Enamel coated. Dimensions: 1.206" D x 3.5" long. Radial lug. Note: Marked RR120-1.5R. Learn More
  9. Memcor - AR10-2R - Resistor, ceramic. 2 Ohm 10W Adj.
    Memcor - AR10-2R - Resistor, ceramic. 2 Ohm 10W Adj.
    $1.99
    Resistor, ceramic. 2 Ohm. Power: 10 watt. Technology: adjustable wirewound. Dimension: 1.744" x 0.4" max Dia, each has (2) 0.196" male QC terminals, 1.358" mt ctrs. Enamel coated. Learn More
  10. Memcor - RWA12-1/2 6 Ohm - Rheostat. 6 Ohm 12-1/2W.
    Memcor - RWA12-1/2 6 Ohm - Rheostat. 6 Ohm 12-1/2W.
    Special Price $24.89 Regular Price $32.50
    Rheostat. Resistance: 6 Ohm. Power: 12-1/2 watt 1.44Amp. Type: R-12-1/2. Material: ceramic. Mount: Panel. Dimensions: 0.885" (22.4mm) D x 0.695" (17.6mm) high. Threaded bushing 0.310" (7.8mm) long. Shaft: 1/8" (0.125" / 3.1mm) D x 0.335" (8.5mm) long. Learn More
  11. Memcor - PR-017 - D75K7 - Resistor, Ceramic. 7.5 Ohm 75 watt, Adjustable.
    Memcor - PR-017 - D75K7 - Resistor, Ceramic. 7.5 Ohm 75 watt, Adjustable.
    Special Price $8.98 Regular Price $12.50 As low as $5.98

    Memcor Resistor, Ceramic.

    These wirewound resistors are equipped with an adjustable lug, making them ideal for adjusting circuits, obtaining odd resistance values and setting equip ment to meet various line voltages.

    7.5 Ohm 75 Watt, Adjustable, Slide.

    Dimensions: 0.6" D x 6" long.

    Overall: 7.8" Long with Mounting Feet, 2 Terminal.

    Alternate: D75K7.5R

    Learn More
  12. Memcor - RHM25A15 - Rheostat. 15 Ohm 25W.
    Memcor - RHM25A15 - Rheostat. 15 Ohm 25W.
    Special Price $42.98 Regular Price $62.50 As low as $34.98

    Memcor - RHM25A15 - Rheostat.

    Resistance: 15 Ohm.

    Power: 25 Watt 1.29Amp.

    Rated at 300V.

    Mount: Panel, Bushing.

    Dimensions: 1.566" D x 1.075" behind panel.

    Threaded Bushing: 3/8" x 0.515" long.

    Shaft: 1/4" D x 0.5" long.

    Contacts: Solder terminals.

    Listed: UL.

    Learn More
  13. Memcor - RHW75W16 - Rheostat. 16 Ohm 75W.
    Memcor - RHW75W16 - Rheostat. 16 Ohm 75W.
    Special Price $42.98 Regular Price $56.50

    Memcor - RHW75W16 - Rheostat.

    Resistance: 16 Ohm.

    Power: 75 watt.

    Current: 2.16 Amp.

    Connections: Terminal Lugs

    Mount: Panel.

    Dimensions: 2.761" D x 1.5" behind panel.

    Note: Type R75.

    Series 7.5A.

    UL Listed

    Proudly Made in USA

    Alternate: Ohmite RGS16R

    Learn More
  14. Memcor - AR100/25R - Resistor, ceramic. 25 Ohm 100W Adj.
    Memcor - AR100/25R - Resistor, ceramic. 25 Ohm 100W Adj.
    $10.30
    Resistor, ceramic. 25 Ohm. Power: 100 watt. Technology: adjustable wirewound. Dimension: 6-1/2" x 3/4" D, with (2) 1/4" male QC terminals, 6-1/8" mt ctrs. Enamel coated. Learn More
  15. Memcor - RHW75W25 - Rheostat. 25 Ohm 75W.
    Memcor - RHW75W25 - Rheostat. 25 Ohm 75W.
    Special Price $49.98 Regular Price $56.00
    READY TO SHIP - ONLY 16 LEFT IN STOCK!

    Memcor - RHW75W25 Rheostat.

    Resistance: 25 Ohm.

    Power: 75 watt.

    Current: 1.73 Amp.

    Mount: Panel.

    Dimensions: 2.761" D x 1.5" behind panel.

    Note: Type R75. Series 7.5A.

    Alternate: RHL75R

    Learn More
  16. Memcor - RHW25A25K - Wirewound Rheostat. 25000 Ohm 25W.
    Memcor - RHW25A25K - Wirewound Rheostat. 25000 Ohm 25W.
    Special Price $26.98 Regular Price $39.50
    READY TO SHIP - ONLY 7 LEFT IN STOCK!

    Memcor - RHW25A25K Rheostat. Type R-25

    Resistance: 25000 Ohm.

    Power: 25 Watt.

    Amperes: 2.5 Amp.

    Mount: Panel, Bushing.

    Contacts: Solder Terminals.

    Carbon Contact is spring loaded for Superior Contact. Shaft with Lock,

    Typical Usages are Industrial Controls, Power Supplies, Motor Control, HIFI Audio  

    Learn More
  17. Memcor - RHS35R - Rheostat. 35 Ohm 25W.
    Memcor - RHS35R - Rheostat. 35 Ohm 25W.
    $25.99
    Rheostat. Resistance: 35 Ohm. Power: 25 watt. 0.85Amp. Dimensions: 1-1/2" D x 1-1/4" high. Bushing: 3/8" D x 1/2" long. Shaft. 1/4" half flattened x 1/2" long. Series 2.5A. Learn More
  18. Memcor - RHW25A35 - Wirewound Rheostat. 35 Ohm 25W.
    Memcor - RHW25A35 - Wirewound Rheostat. 35 Ohm 25W.
    Special Price $26.98 Regular Price $36.95
    READY TO SHIP - ONLY 29 LEFT IN STOCK!

    Memcor - RHW25A35 Rheostat.

    Resistance: 35 Ohm.

    Power: 25 watt.

    Amperes: .85 Amp.

    Mount: Panel, bushing.

    Contacts: solder terminals.

    Carbon Contact is spring loaded for Superior Contact. Shaft with Lock,

    Typical Usages are Industrial Controls, Power Supplies, Motor Control, HIFI Audio  

    Learn More
  19. Memcor - AR25-75R - Resistor, ceramic. : 75 Ohms. Power: 25 watt.
    Memcor - AR25-75R - Resistor, ceramic. : 75 Ohms. Power: 25 watt.
    $8.99
    Resistor, ceramic. : 75 Ohms. Power: 25 watt. Technology: adjustable wirewound. Dimension: 2" x 5/8" Dia, with (2) 1/4" male QC terminals, 1-9/16" mt ctrs . Enamel coated. Or equal manufacture: Tru-Ohm. Learn More
  20. Memcor - RHW50A150 - R50-150 -  Rheostat, Ceramic. 150 Ohm 50W, Tru-Ohm, New.
    Memcor - RHW50A150 - R50-150 - Rheostat, Ceramic. 150 Ohm 50W, Tru-Ohm, New.
    Special Price $42.98 Regular Price $68.95 As low as $28.98

    Memcor - RHW50A150 - R50-150 - Rheostat, Ceramic. Tru-Ohm, New

    Rheostat with toroidally wound resistance wire on a ceramic former with most of the wire enclosed. A rotary contactor allows the resistance to be varied to control a current or it can be used as a potentiometer. Rotary rheostats are circular and the wiper contact rotates. These often used in power applications. Due to their small size, rotary rheostats are used more than linear rheostats. 

    Resistance: 150 Ohm Wirewound.

    Power: 50 Watt 0.58Amp.

    Rated at 300V.

    Series 5A.

    Model J. Type R-50.

    Mount: Panel, bushing.

    Dimensions: 2.325" D x 1.125" behind panel.

    Bushing: 3/8" Diameter x 0.535" long.

    Shaft: 1/4" Diameter x 0.50" long.

    Contacts: Solder Terminals.

    New Old Stock

    Alternates: RH00503150, MRH50150, RP151SD151KK, RJS150, R50-150

    Applications: power Supplies, Chargers, Welders, Amplifiers, and Industrial Controls.

    Made in the USA.

    Learn More
  21. Memcor - RWA12-1/2 150 Ohm - Rheostat. 150 Ohm 12-1/2W.
    Memcor - RWA12-1/2 150 Ohm - Rheostat. 150 Ohm 12-1/2W.
    Special Price $24.89 Regular Price $32.50
    Rheostat. Resistance: 150 Ohm. Power: 12-1/2 watt 0.29Amp. Type: R-12-1/2. Material: ceramic. Mount: Panel. Dimensions: 0.885" (22.4mm) D x 0.695" (17.6mm) high. Threaded bushing 0.310" (7.8mm) long. Shaft: 1/8" (0.125" / 3.1mm) D x 0.335" (8.5mm) long. Learn More
  22. Memcor - RHW50C150 - Rheostat. 150 Ohm 50W.
    Memcor - RHW50C150 - Rheostat. 150 Ohm 50W.
    Special Price $48.98 Regular Price $68.95

    Memcor - RHW50C150 - Rheostat.

    Resistance: 150 Ohm.

    Power: 50 Watt 0.58Amp.

    Rated at 300V.

    Series 5A.

    Model J.

    Type R-50.

    Mount: Panel,Bushing.

    Dimensions: 2.325" D x 1.125" behind panel.

    Bushing: 3/8" D x 0.535" long.

    Shaft: 1/4" D x 0.50" long.

    Contacts: solder terminals.

    Made in the USA.

    Learn More
  23. Memcor - RWA12-1/2 175 Ohm - Rheostat. 175 Ohm 12-1/2W.
    Memcor - RWA12-1/2 175 Ohm - Rheostat. 175 Ohm 12-1/2W.
    Special Price $24.89 Regular Price $32.50
    Rheostat. Resistance: 175 Ohm. Power: 12-1/2 watt 0.27Amp. Type: R-12-1/2. Material: ceramic. Mount: Panel. Dimensions: 0.885" (22.4mm) D x 0.695" (17.6mm) high. Threaded bushing 0.310" (7.8mm) long. Shaft: 1/8" (0.125" / 3.1mm) D x 0.335" (8.5mm) long. Learn More
  24. Memcor - AR50-200R - Resistor, Ceramic. : 200 Ohms. Adjustable Power: 50 watt.
    Memcor - AR50-200R - Resistor, Ceramic. : 200 Ohms. Adjustable Power: 50 watt.
    Special Price $9.98 Regular Price $14.50

    Memcor - AR50-200R Resistor, Ceramic.

    Resistance: 200 Ohms.

    Power: 50 watt.

    Technology: Adjustable Wirewound.

    Dimension: 4" long x 5/8" dia, each with (2) 1/4" male QC terminals, 3-9/16" mt ctrs.

    Enamel coated.

    Alternate: D50K200

    Learn More
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