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

6695 產品顯示為 Variable Resistors

排序方式
7 的 335
最後的 RS 庫存
Alps Alpine RS30 10 kΩ Slide Slide Potentiometer 1-Turns 1-Gang Through Hole, RS3011114017
  • RS庫存編號 249-9367
  • 製造零件編號 RS3011114017
小計（1 件）
TWD54.00(不含稅)
TWD54.00/件
有庫存
3 kΩ, Through Hole Trimmer Potentiometer, Pin 0.5 W Top Adjust Bourns, 3362
  • RS庫存編號 787-0566
  • 製造零件編號 3362P-1-302LF
小計（1 件）
TWD38.00(不含稅)
TWD38.00/件
暫時無法供應
Alps Alpine RK09D 10 kΩ Rotary Potentiometer 1-Turns 1-Gang Through Hole, RK09D1130C2P
  • RS庫存編號 172-6272
  • 製造零件編號 RK09D1130C2P
小計（1000 件, 每盒1000個）
TWD34,100.00(不含稅)
TWD34.10/件
有庫存
Alps Alpine RK09L 10 kΩ Rotary Potentiometer 1-Turns 2-Gang Panel Mount, Through Hole, RK09L12D0A1T
  • RS庫存編號 729-3454
  • 製造零件編號 RK09L12D0A1T
小計（1 件）
TWD108.00(不含稅)
TWD108.00/件
最後的 RS 庫存
Radiohm POTM 4.7 kΩ Rotary Potentiometer 2-Gang Panel Mount, 05.062.4470
  • RS庫存編號 469-1357
  • 製造零件編號 05.062.4470
小計（1 件）
TWD229.00(不含稅)
TWD229.00/件
有庫存
Vishay 157 2 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, 157B202MX9001
  • RS庫存編號 173-748
  • 製造零件編號 157B202MX9001
小計（1 件）
TWD2,194.00(不含稅)
TWD2,194.00/件
有庫存
1 mΩ, Through Hole Trimmer Potentiometer, Pin 0.2 W Top Adjust Bourns, 3306
  • RS庫存編號 167-3342
  • 製造零件編號 3306P-1-105
小計（200 件, 每包200個）
TWD2,040.00(不含稅)
TWD10.20/件
有庫存
50 kΩ, Through Hole Trimmer Potentiometer, Pin 0.25 W Top Adjust Bourns, 3266
  • RS庫存編號 521-9293
  • 製造零件編號 3266W-1-503LF
小計（1 件）
TWD111.00(不含稅)
TWD111.00/件
有庫存
100 Ω, Through Hole Trimmer Potentiometer, Pin 0.2 W Top Adjust Bourns, 3306
  • RS庫存編號 488-5271
  • 製造零件編號 3306P-1-101
小計（10 件, 每袋10個）
TWD129.00(不含稅)
TWD12.90/件
最後的 RS 庫存
RS PRO 17 mm Knob Diameter Black Potentiometer Knob for 6 mm Shaft D Shaped
  • RS庫存編號 467-6061
小計（5 件, 每袋5個）
TWD105.00(不含稅)
TWD21.00/件
有庫存
Bourns 3590 20 kΩ Rotary Potentiometer 10-Turns 1-Gang Panel Mount, 3590S-2-203L
  • RS庫存編號 107-0791
  • 製造零件編號 3590S-2-203L
小計（1 件）
TWD566.00(不含稅)
TWD566.00/件
暫時缺貨
1 kΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Bourns, 3214
  • RS庫存編號 240-1534P
  • 製造零件編號 3214W-1-102E
小計（5 件, 按連續帶提供）
TWD379.00(不含稅)
TWD75.80/件
暫時無法供應
Alps Alpine RK097 50 kΩ Rotary Potentiometer 1-Turns Panel Mount, Through Hole, RK097122200G
  • RS庫存編號 172-6404
  • 製造零件編號 RK097122200G
小計（60 件, 每盤60個）
TWD11,196.00(不含稅)
TWD186.60/件
有庫存
Bourns PTV09 1 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, Through Hole, PTV09A-4225F-B102
  • RS庫存編號 167-4693
  • 製造零件編號 PTV09A-4225F-B102
小計（100 件, 每盤100個）
TWD1,950.00(不含稅)
TWD19.50/件
有庫存
Bourns 3548 10 kΩ Rotary Potentiometer 5-Turns 1-Gang Panel Mount, 3548S-1AA-103A
  • RS庫存編號 692-8484
  • 製造零件編號 3548S-1AA-103A
小計（1 件）
TWD982.00(不含稅)
TWD982.00/件
有庫存
Bourns PTA 10 kΩ Slide Slide Potentiometer 2-Gang Through Hole, PTA6044-2015CPA103
  • RS庫存編號 770-3096
  • 製造零件編號 PTA6044-2015CPA103
小計（1 件）
TWD109.00(不含稅)
TWD109.00/件
有庫存
20 kΩ, Through Hole Trimmer Potentiometer, Pin 0.5 W Side Adjust Bourns, 3386
  • RS庫存編號 522-2889
  • 製造零件編號 3386W-1-203LF
小計（1 件）
TWD43.00(不含稅)
TWD43.00/件
有庫存
50 kΩ, Through Hole Trimmer Potentiometer, Pin 0.5 W Top Adjust Bourns, 3386
  • RS庫存編號 522-2435
  • 製造零件編號 3386F-1-503LF
小計（1 件）
TWD42.00(不含稅)
TWD42.00/件
有限的庫存
100 Ω, Through Hole Trimmer Potentiometer, PC Pin 0.5 W Bourns, 3386
  • RS庫存編號 691-7651
  • 製造零件編號 3386V-1-101LF
小計（1 件）
TWD51.00(不含稅)
TWD51.00/件
有庫存
25 kΩ, Through Hole Trimmer Potentiometer, Solder Pin 0.5 W Top Adjust Bourns, 3386
  • RS庫存編號 785-9657
  • 製造零件編號 3386F-1-253LF
小計（1 件）
TWD52.00(不含稅)
TWD52.00/件
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