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Variable Resistors

Variable resistors, also known as potentiometers or rheostats, are electrical components that can adjust the resistance in a circuit. They typically consist of a resistive element and a movable wiper, which can be adjusted by a knob or a slider. By changing the position of the wiper, the resistance between two terminals of the resistor can be varied, allowing for precise control of the amount of current flowing through the circuit.

Variable resistors are commonly used in a variety of electronic applications, such as audio equipment, lighting controls, and motor speed controls. They can also be used as voltage dividers, where the resistance value can be adjusted to achieve a desired output voltage. Variable resistors come in various shapes and sizes, including rotary potentiometers, slide potentiometers, trimmers, and preset resistors.

One of the main advantages of variable resistors is their versatility, as they can be used to control a wide range of electrical parameters, such as voltage, current, and power. They can also be used for calibration and testing purposes, as they allow for precise adjustment of circuit parameters. However, variable resistors also have some limitations, such as limited lifetime due to wear and tear, and the potential for noise and instability at higher resistance values.

Variable Resistors

Available Parts 1,357

Part# Info Specs
Part RoHS Manufacturer Description Orientation (Actuator) Type (Actuator) Additional Features Construction Ganging Number JESD-609 Code Diameter (Lead) Length (Lead) Manufacturer Series Mounting Type No. of Terminals No. of Turns Maximum Operating Temperature Minimum Operating Temperature Diameter (Package) Height (Package) Length (Package) Shape (Package) Package Style (Meter) Width (Package) Packing Method Dimensions Rated Power Dissipation (P) Rated Temperature Reference Standard Resistance Law Of Resistance Resistor Type Angle Of Rotation Series Size Code Sub-Category Technology Temperature Coef (ppm/Cel) Terminal Finish Terminal Shape Tolerance Operating Voltage
PS45M-1MD2LR20K by Tt Electronics Plc

PS45M-1MD2LR20K

Tt Electronics Plc

PS45M-1MD2LR20K by Tt Electronics Plc is a linear potentiometer with 20000 ohm resistance, 20% tolerance, and 0.125 W power dissipation. Ideal for applications requiring precise voltage control in PCB-mounted devices due to its slide actuator type and through-hole mounting.

VERTICAL

SLIDE

RATED AC VOLTAGE (V): 200

Rectangular

2

THROUGH HOLE MOUNT

4

1

7 mm

60 mm

PCB Mount

9 mm

.125 W

20000 ohm

LINEAR

POTENTIOMETER

FLAT

20 %

PS45M-0MC2LR10KN by Tt Electronics Plc

PS45M-0MC2LR10KN

Tt Electronics Plc

PS45M-0MC2LR10KN by Tt Electronics Plc is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 0.125 W power dissipation. It is a rectangular PCB mount type with slide actuator, suitable for applications requiring precise voltage control in electronic circuits.

VERTICAL

SLIDE

RATED AC VOLTAGE (V): 200

Rectangular

2

THROUGH HOLE MOUNT

4

1

7 mm

60 mm

PCB Mount

9 mm

.125 W

10000 ohm

LINEAR

POTENTIOMETER

FLAT

20 %

PS20L-G01BR10K by Tt Electronics Plc

PS20L-G01BR10K

Tt Electronics Plc

PS20L-G01BR10K by Tt Electronics Plc is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 0.05 W power dissipation. It features a slide actuator, through-hole mounting, and PCB package style. Ideal for applications requiring precise voltage control in compact spaces.

HORIZONTAL

SLIDE

RATED AC VOLTAGE (V): 200

Rectangular

2

THROUGH HOLE MOUNT

4

1

7 mm

35 mm

PCB Mount

9 mm

.05 W

10000 ohm

LINEAR

POTENTIOMETER

FLAT

20 %

PTA4544-2010DPA103 by Bourns

PTA4544-2010DPA103

Bourns

Bourns PTA4544-2010DPA103 is a 10000 ohm POTENTIOMETER with VERTICAL orientation, CARBON technology, and AUDIO Law Of Resistance. Ideal for PCB Mount applications, it has 6 terminals, operates at -10 to 50 °C, and can handle up to 150V voltage with a power dissipation of 0.06W.

VERTICAL

SLIDE

Rectangular

2

3.7 mm

THROUGH HOLE MOUNT

6

50 Cel

-10 Cel

5.7 mm

60 mm

PCB Mount

9 mm

.06 W

10000 ohm

AUDIO

POTENTIOMETER

CARBON

FLAT

20 %

150 V

PTV09A-4020S-A503 by Bourns

PTV09A-4020S-A503

Bourns

Bourns PTV09A-4020S-A503 is a 50000 ohm potentiometer with 3 terminals, rated at 0.05 W power dissipation. Featuring a horizontal actuator and carbon technology, it has an operating voltage of 20 V and tolerance of 20%. Ideal for audio applications, this rectangular resistor with flat terminals operates b/w -10 to 50 °C in PCB mount setups.

HORIZONTAL

SHAFT

RATED AC VOLTAGE (V): 50

Rectangular

1

e3

PCB MOUNT

3

1

50 Cel

-10 Cel

10 mm

PCB Mount

6.8 mm

.05 W

50000 ohm

AUDIO

POTENTIOMETER

280 deg

CARBON

TIN

FLAT

20 %

20 V

P11S1V0FGSY00104MA by Vishay Intertechnology

P11S1V0FGSY00104MA

Vishay Intertechnology

POTENTIOMETER; Mounting Type: CHASSIS MOUNT; Resistance: 100000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 125 Cel; Tolerance: 20 %;

HORIZONTAL

SHAFT

Rectangular

1

e3

CHASSIS MOUNT

3

1

125 Cel

-55 Cel

13.1 mm

12.5 mm

Panel Mount

11.1 mm

BULK

1 W

70 Cel

100000 ohm

LINEAR

POTENTIOMETER

270 deg

CERMET

150

Tin (Sn)

LUG

20 %

316 V

P11S1V0FGSY00472MA by Vishay Intertechnology

P11S1V0FGSY00472MA

Vishay Intertechnology

POTENTIOMETER; Mounting Type: CHASSIS MOUNT; Resistance: 4700 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 125 Cel; Tolerance: 20 %;

HORIZONTAL

SHAFT

Rectangular

1

e3

CHASSIS MOUNT

3

1

125 Cel

-55 Cel

13.1 mm

12.5 mm

Panel Mount

11.1 mm

BULK

1 W

70 Cel

4700 ohm

LINEAR

POTENTIOMETER

270 deg

CERMET

150

Tin (Sn)

LUG

20 %

69 V

RK09L12B0A1V by Alps Alpine

RK09L12B0A1V

Alps Alpine

Alps Alpine RK09L12B0A1V is a logarithmic potentiometer with 10000 ohm resistance, 20% tolerance, and 10 V operating voltage. It is used in PCB mount applications for audio equipment due to its shaft actuator type and 300° rotation angle.

HORIZONTAL

SHAFT

RATED AC VOLTAGE (V): 50

Rectangular

2

3.5 mm

THROUGH HOLE MOUNT

6

1

70 Cel

-10 Cel

11.35 mm

10.7 mm

PCB Mount

9.15 mm

TRAY

.05 W

10000 ohm

LOGARITHMIC

POTENTIOMETER

300 deg

FLAT

20 %

10 V

RK09L122002H by Alps Alpine

RK09L122002H

Alps Alpine

Alps Alpine RK09L122002H is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 10 V operating voltage. It has a shaft actuator, through-hole mounting type, and PCB mount package style. This rectangular resistor is ideal for applications requiring precise control over resistance levels in electronic circuits.

HORIZONTAL

SHAFT

RATED AC VOLTAGE (V): 50

Rectangular

2

3.5 mm

THROUGH HOLE MOUNT

6

1

70 Cel

-10 Cel

11.35 mm

10.7 mm

PCB Mount

9.15 mm

TRAY

.05 W

10000 ohm

LINEAR

POTENTIOMETER

300 deg

FLAT

20 %

10 V

RK09L122002L by Alps Alpine

RK09L122002L

Alps Alpine

Alps Alpine RK09L122002L is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 10 V operating voltage. It has a shaft actuator, through-hole mounting type, and PCB package style. Ideal for applications requiring precise voltage control in compact spaces with temperature range from -10 to 70 °C.

HORIZONTAL

SHAFT

RATED AC VOLTAGE (V): 50

Rectangular

2

3.5 mm

THROUGH HOLE MOUNT

6

1

70 Cel

-10 Cel

11.35 mm

10.7 mm

PCB Mount

9.15 mm

TRAY

.05 W

10000 ohm

LINEAR

POTENTIOMETER

300 deg

FLAT

20 %

10 V

RK09L12B0A4S by Alps Alpine

RK09L12B0A4S

Alps Alpine

Alps Alpine RK09L12B0A4S is a logarithmic potentiometer with 10000 ohm resistance, 20% tolerance, and 10 V operating voltage. It is used in PCB mount applications for audio equipment due to its shaft actuator type and 300° rotation angle.

HORIZONTAL

SHAFT

RATED AC VOLTAGE (V): 50

Rectangular

2

3.5 mm

THROUGH HOLE MOUNT

6

1

70 Cel

-10 Cel

11.35 mm

10.7 mm

PCB Mount

9.15 mm

TRAY

.05 W

10000 ohm

LOGARITHMIC

POTENTIOMETER

300 deg

FLAT

20 %

10 V

225WA050 by Nte Electronics

225WA050

Nte Electronics

The Nte Electronics 225WA050 is a 50 ohm wire wound potentiometer with linear resistance law. It has a rated power dissipation of 225W and operates at a max temperature of 375°C. Ideal for chassis mount applications requiring precise resistance adjustments.

VERTICAL

SLIDE

RATED AC VOLTAGE (V): 1000

Tubular

1

CHASSIS MOUNT

3

375 Cel

28.7 mm

267 mm

Chassis Mount

225 W

50 ohm

LINEAR

POTENTIOMETER

WIRE WOUND

260

LUG

10 %

XB4BD912R1K by Schneider Electric Sa

XB4BD912R1K

Schneider Electric Sa

Schneider Electric Sa's XB4BD912R1K is a 1000 ohm linear potentiometer with 10% tolerance and 1W power dissipation. Ideal for panel mounting, it operates b/w -40 to 70 °C and has a max voltage of 42V. Its knob actuator allows for a full 360° rotation, making it suitable for precise control applications.

HORIZONTAL

KNOB

Round

1

PANEL MOUNT

3

1

70 Cel

-40 Cel

46.5 mm

51.24 mm

Panel Mount

30 mm

1 W

70 Cel

CSA; IEC; UL

1000 ohm

LINEAR

POTENTIOMETER

360 deg

CERMET

CONNECTOR

10 %

42 V