Variable Resistors

Browse our wide range of variable resistors including potentiometers, rheostats and thermistors from market leading electronics brands including Vishay, Bourns, EPCOS and RS Pro.

What are variable resistors and how do they work?

Variable resistors are electrical components that give you control over the current flow through an electric circuit. Variable resistors can be used in a variety of different types of devices, including the volume and gain control on electric instruments such as guitars and basses. The Variable resistors have a maximum and minimum value which can alter the current. Variable resistors are extremely important, without them you cannot control your circuit.

What does a variable resistor do in a circuit?

A variable resistor's role in a circuit is to allow the amount of resistance to be changed. When resistance decreases the flow of the current increases. There are different types of variable resistors that can be used for different functions and environments.

Types of resistors

The three most common types of variable resistors are:

  • Potentiometers The most common type of variable resistor is the potentiometers. The potentiometer can be used as a voltage regulator by introducing a variable amount of resistance into a circuit or as a means of adjusting the power in a circuit. Potentiometers can also be known as "pot" or, more specifically, slider pot, trimmer pot or thumbwheel pot.
  • Rheostat A rheostat is a variable resistor which is used to control current within an electrical circuit. They can control the resistance without interrupting it. Unlike the Potentiometer the Rheostat only uses 2 leads. A connection is made to one end of the resistive element and the other connection is made to the wiper end of the variable resistor. Rheostats are commonly used in motor control.
  • Trimmer Resistors Unlike other resistors, a trimmer resistor is a smaller component that is used to be placed within your circuit and not adjusted again. They are also known as trimpots.

Other types of variable resistors

include:

  • Ceramic Transient Voltage Suppressors
  • Metal Oxide Varistors
  • Potentiometer Accessories
  • Potentiometer Knob
  • Potentiometer Mounting Nuts
  • Rheostat Dials
  • Thermistors
  • Trimmer Resistor Adjustment Tools
  • Trimmer Resistor Mount Adapters
Potentiometer Accessories
Potentiometer Accessories
Potentiometer Knobs
Potentiometer Knobs
Potentiometers
Potentiometers
Rheostat Accessories
Rheostat Accessories
Rheostats
Rheostats
Trimmer Potentiometer Accessories
Trimmer Potentiometer Accessories
Trimmer Potentiometers
Trimmer Potentiometers

6688 표시되는 제품 Variable Resistors

정렬 기준
257 / 335
재고있음
500 Ω, Through Hole Trimmer Potentiometer, Pin 0.5 W Top Adjust Vishay, 64W
  • RS 제품 번호 154-2016
  • 제조사 부품 번호 M64W501KB40
Subtotal (1 unit)
₩24.10
₩24.10/unit
일시적 품절
2 mΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Nidec Components, ST-42
  • RS 제품 번호 244-4385
  • 제조사 부품 번호 ST-4 2ETA501
Subtotal (1 reel of 500 units)
₩4,248.50
₩8.497/unit
마지막 RS 재고
Vishay Standard e3 4.7 kΩ Membrane Potentiometer 1-Gang, UIPMA100I472XCB
  • RS 제품 번호 250-5056
  • 제조사 부품 번호 UIPMA100I472XCB
Subtotal (1 Box of 20 units)
₩3,740.00
₩187.00/unit
재고있음
2 mΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Nidec Components, ST4
  • RS 제품 번호 244-4396
  • 제조사 부품 번호 ST-4ETA102
Subtotal (1 tape of 5 units)
₩52.30
₩10.46/unit
재고있음
5 kΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Nidec Components, ST-42
  • RS 제품 번호 244-4388
  • 제조사 부품 번호 ST-4 2ETA502
Subtotal (1 tape of 5 units)
₩38.50
₩7.70/unit
재고있음
TE Connectivity 19 mm Knob Diameter Black Potentiometer Knob for 6.35 mm Shaft Circular, KD700B1/4
  • RS 제품 번호 783-0173
  • 제조사 부품 번호 KD700B1/4
Subtotal (1 unit)
₩73.20
₩73.20/unit
재고있음
Alps Alpine RK11K 50 kΩ Rotary Carbon Film Potentiometer 1-Turns 1-Gang Panel Mount, Through Hole
  • RS 제품 번호 263-3208
  • 제조사 부품 번호 RK11K1140A63
Subtotal (1 unit)
₩23.10
₩23.10/unit
재고있음
Sifam 17 mm Knob Diameter Black Potentiometer Knob for 6 mm Shaft D Shaped, 3/07/DRN170 006 BLACK
  • RS 제품 번호 252-7020
  • 제조사 부품 번호 3/07/DRN170 006 BLACK
Subtotal (1 pack of 5 units)
₩30.00
₩6.00/unit
마지막 RS 재고
2 mΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Nidec Components, SM-4
  • RS 제품 번호 244-4325
  • 제조사 부품 번호 SM-43TW203
Subtotal (1 tape of 2 units)
₩52.30
₩26.15/unit
재고있음
20 kΩ, Through Hole Trimmer Potentiometer, Solder Pin 0.5 W Top Adjust TT Electronics/BI, 67
  • RS 제품 번호 144-2094
  • 제조사 부품 번호 67WR20KLF
Subtotal (1 Box of 50 units)
₩496.20
₩9.924/unit
일시적 품절
Elma Potentiometer Knob 14.5 mm, 021-3525, Black
  • RS 제품 번호 243-9555
  • 제조사 부품 번호 021-3525
Subtotal (1 Box of 100 units)
₩7,732.20
₩77.322/unit
일시적 품절
5 kΩ, Surface Trimmer Potentiometer, Gull Wing 0.25 W Top Adjust Nidec Components, SM-42
  • RS 제품 번호 602-4793
  • 제조사 부품 번호 SM-42B 5k Ohm
Subtotal (1 pack of 5 units)
₩203.90
₩40.78/unit
재고있음
1 kΩ, Through Hole Trimmer Potentiometer, Pin 0.5 W Side Adjust Nidec Components, CT-6
  • RS 제품 번호 474-7113
  • 제조사 부품 번호 CT-6ES 1k Ohm
Subtotal (1 pack of 5 units)
₩42.30
₩8.46/unit
마지막 RS 재고
Vishay ACCSUIPMWIPERKB435 Wiper Membrane
  • RS 제품 번호 250-5055
  • 제조사 부품 번호 ACCSUIPMWIPERKB435
Subtotal (1 unit)
₩164.60
₩164.60/unit
일시적 품절
RS PRO Precision Potentiometer 10-Turns 1-Gang Panel Mount
  • RS 제품 번호 708-713
Subtotal (1 unit)
₩149.80
₩149.80/unit
재고있음
2 mΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Nidec Components, ST4
  • RS 제품 번호 244-4417
  • 제조사 부품 번호 ST-4ETA503
Subtotal (1 tape of 5 units)
₩56.20
₩11.24/unit
재고있음
200 Ω, Through Hole Trimmer Potentiometer, Pin 0.75 W Side Adjust Bourns, 3006
  • RS 제품 번호 743-2259
  • 제조사 부품 번호 3006P-7-201LF
Subtotal (1 unit)
₩14.80
₩14.80/unit
재고있음
22 kΩ, Through Hole Trimmer Potentiometer, Solder Pin 0.5 W Side Adjust Bourns, 3386
  • RS 제품 번호 785-9581
  • 제조사 부품 번호 3386X-1-223LF
Subtotal (1 unit)
₩11.30
₩11.30/unit
재고있음
1 mΩ, Through Hole Trimmer Potentiometer, Solder Pin 0.5 W Top Adjust Nidec Components, CT6
  • RS 제품 번호 896-7153
  • 제조사 부품 번호 CT-6EV 1MR
Subtotal (1 Bag of 5 units)
₩27.30
₩5.46/unit
재고있음
5 mΩ, Through Hole Trimmer Potentiometer, Pin 0.5 W Side Adjust Nidec Components, CT-20
  • RS 제품 번호 244-3633
  • 제조사 부품 번호 CT-20EP202
Subtotal (1 pack of 2 units)
₩32.30
₩16.15/unit
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