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

6407 표시되는 제품 Variable Resistors

11 / 321
재고있음
  • RS 제품 번호 475-6038
  • 제조사 부품 번호 M-22E10-050 1K
Subtotal (1 unit)
₩26,637.00
재고있음
  • RS 제품 번호 842-7021
Subtotal (1 unit)
₩14,898.00
일시적 품절
  • RS 제품 번호 521-9417P
  • 제조사 부품 번호 3266X-1-501LF
Subtotal 1 unit (supplied in a tube)
₩4,680.00
현재 비가용
  • RS 제품 번호 729-3549
  • 제조사 부품 번호 RK0971114D0B
Subtotal (1 unit)
₩7,846.80
재고있음
Better World
  • RS 제품 번호 125-4399
  • 제조사 부품 번호 XB4BD912R100K
Subtotal (1 unit)
₩134,511.00
재고있음
  • RS 제품 번호 167-5263
  • 제조사 부품 번호 H-516-6A
Subtotal (1 tray of 10 units)
₩121,153.50
재고있음
  • RS 제품 번호 162-760
  • 제조사 부품 번호 404802696045
Subtotal (1 unit)
₩37,537.50
재고있음
  • RS 제품 번호 467-5901
Subtotal (1 pack of 10 units)
₩9,477.00
재고있음
  • RS 제품 번호 299-4812
  • 제조사 부품 번호 3/03/DR110-006/237/224
Subtotal (1 pack of 5 units)
₩5,245.50
재고있음
  • RS 제품 번호 167-3365
  • 제조사 부품 번호 3296W-1-504LF
Subtotal (1 tube of 50 units)
₩117,292.50
재고있음
  • RS 제품 번호 167-3494
  • 제조사 부품 번호 3296P-1-503LF
Subtotal (1 tube of 50 units)
₩136,207.50
일시적 품절
  • RS 제품 번호 708-715
Subtotal (1 unit)
₩26,364.00
재고있음
  • RS 제품 번호 167-9519
  • 제조사 부품 번호 11A41B10
Subtotal (1 Box of 10 units)
₩743,262.00
재고있음
  • RS 제품 번호 521-9653
  • 제조사 부품 번호 3296W-1-104LF
Subtotal (1 unit)
₩2,944.50
재고있음
  • RS 제품 번호 169-3080
  • 제조사 부품 번호 M64W103KB40
Subtotal (1 Box of 200 units)
₩536,250.00
재고있음
  • RS 제품 번호 467-6768
Subtotal (1 pack of 5 units)
₩3,978.00
재고있음
  • RS 제품 번호 796-4914
  • 제조사 부품 번호 3224X-1-503E
Subtotal (1 unit)
₩4,836.00
재고있음
  • RS 제품 번호 240-1540P
  • 제조사 부품 번호 3214W-1-202E
Subtotal 5 units (supplied on a continuous strip)
₩17,238.00
현재 비가용
  • RS 제품 번호 317-780
Subtotal (1 unit)
₩123,415.50
재고있음
  • RS 제품 번호 445-904
  • 제조사 부품 번호 TC42X-2-103E
Subtotal (1 Bag of 2 units)
₩1,404.00
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