125 Cel Variable Resistors 718

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

89PHR200LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

200 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR20KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

20000 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR2KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

2000 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR500KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR500LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

500 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR50KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

50000 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR50LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

50 ohm

.75 W

125 Cel

20 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89PHR5KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

5000 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

8.64 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

89WR20KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

20000 ohm

.75 W

125 Cel

10 %

.533 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.669 mm

6.35 mm

200 V

SCREW

19.05 mm

e3

4.83 mm

1

7200 deg

91ER500KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.5 W

125 Cel

20 %

.508 mm

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Cylindrical

BULK

3

PCB Mount

WIRE

-55 Cel

100

Matte Tin (Sn)

4.57 mm

250 V

RATED AC VOLTAGE (V): 250

SCREW

6.35 mm

e3

9.525 mm

1

174 deg

91VR500KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.5 W

125 Cel

20 %

.508 mm

1

70 Cel

HORIZONTAL

CERMET

CIRCULAR PACKAGE

LINEAR

Cylindrical

BULK

3

PCB Mount

WIRE

-55 Cel

100

Matte Tin (Sn)

4.57 mm

250 V

RATED AC VOLTAGE (V): 250

SCREW

10.2 mm

e3

9.525 mm

1

174 deg

67WR25KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

.5 W

125 Cel

10 %

.53 mm

20

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.6 mm

10.4 mm

200 V

SCREW

9.53 mm

e3

4.95 mm

1

7200 deg

67ZR500KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

.5 W

125 Cel

10 %

.53 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.6 mm

10.4 mm

200 V

SCREW

9.53 mm

e3

4.95 mm

1

7200 deg

68WR100LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.5 W

125 Cel

10 %

.51 mm

20

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

BULK

3824

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.6 mm

9.53 mm

200 V

SCREW

9.53 mm

e3

6.22 mm

7200 deg

68XR100LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.5 W

125 Cel

10 %

.51 mm

20

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

BULK

3824

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.6 mm

9.53 mm

200 V

SCREW

9.53 mm

e3

6.22 mm

7200 deg

72PMR50LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

50 ohm

.5 W

125 Cel

20 %

.53 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

Bulk

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

4.6 mm

4.75 mm

200 V

SCREW

9.53 mm

e3

9.53 mm

1

244 deg

72RXR100LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.5 W

125 Cel

10 %

.53 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

Bulk

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

4.6 mm

9.8 mm

200 V

SCREW

9.53 mm

e3

4.75 mm

1

244 deg

72XWR2KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

2000 ohm

.5 W

125 Cel

10 %

.53 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

Bulk

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

4.6 mm

9.8 mm

200 V

SCREW

9.53 mm

e3

4.75 mm

1

244 deg

82MR50LF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

50 ohm

.5 W

125 Cel

20 %

.432 mm

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Cylindrical

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.57 mm

200 V

RATED AC VOLTAGE (V): 200

SCREW

4.32 mm

e3

6.35 mm

1

220 deg

3313J-2-502E

Bourns

TRIMMER

SURFACE MOUNT

5000 ohm

.125 W

125 Cel

20 %

1

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TR, Embossed, 7 Inch

1413

3

SMT

J BEND

POTENTIOMETER

-55 Cel

100

MATTE TIN

2.2 mm

200 V

SCREW

3.5 mm

e3

AEC-Q200

3.2 mm

1

220 deg

3313S-2-503E

Bourns

TRIMMER

SURFACE MOUNT

50000 ohm

.125 W

125 Cel

20 %

1

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TR, Embossed, 7 Inch

1514

3

SMT

J BEND

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.35 mm

200 V

SCREW

3.71 mm

e3

AEC-Q200

3.61 mm

1

220 deg

82A1D-Z28-BA0/255L

Bourns

POTENTIOMETER

PANEL MOUNT

250000 ohm

.25 W

125 Cel

10 %

1

70 Cel

HORIZONTAL

CONDUCTIVE PLASTIC

RECTANGULAR PACKAGE

AUDIO

Square

3

Panel Mount

HOOK

POTENTIOMETER

-40 Cel

1000

Matte Tin (Sn)

15.88 mm

SHAFT

15.88 mm

e3

15.88 mm

1

225 deg

95A1D-Z28-EA0/300L

Bourns

POTENTIOMETER

PANEL MOUNT

250000 ohm

.25 W

125 Cel

20 %

1

70 Cel

HORIZONTAL

CONDUCTIVE PLASTIC

RECTANGULAR PACKAGE

AUDIO

Rectangular

3

Panel Mount

LUG

POTENTIOMETER

-40 Cel

1000

Tin (Sn)

15.88 mm

SHAFT

12.7 mm

e3

15.88 mm

1

225 deg

95Z1D-Z33-EA0/305L

Bourns

POTENTIOMETER

PANEL MOUNT

500000 ohm

.25 W

125 Cel

20 %

1

70 Cel

HORIZONTAL

CONDUCTIVE PLASTIC

RECTANGULAR PACKAGE

AUDIO

Rectangular

3

Panel Mount

LUG

POTENTIOMETER

-40 Cel

1000

Tin (Sn)

15.88 mm

SHAFT

12.7 mm

e3

15.88 mm

1

225 deg

M70Y104KB25

Vishay Intertechnology

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

.5 W

125 Cel

10 %

.71 mm

20

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

12.7 mm

8.25 mm

350 V

SCREW

31.75 mm

e3

4.98 mm

7200 deg

3549H-1AA-102B

Bourns

POTENTIOMETER

PANEL MOUNT

1000 ohm

2 W

125 Cel

10 %

10

70 Cel

HORIZONTAL

HYBRID

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

100

Gold (Au) - with Nickel (Ni) barrier

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549H-1AA-502A

Bourns

POTENTIOMETER

PANEL MOUNT

5000 ohm

2 W

125 Cel

10 %

10

70 Cel

HORIZONTAL

HYBRID

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

100

Gold (Au) - with Nickel (Ni) barrier

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549H-1AC-502A

Bourns

POTENTIOMETER

PANEL MOUNT

5000 ohm

2 W

125 Cel

10 %

10

70 Cel

HORIZONTAL

HYBRID

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

100

Gold (Au) - with Nickel (Ni) barrier

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549H-2AC-102/102B

Bourns

POTENTIOMETER

PANEL MOUNT

1000 ohm

2 W

125 Cel

10 %

10

70 Cel

HORIZONTAL

HYBRID

CIRCULAR PACKAGE

LINEAR

Round

TRAY

6

Panel Mount

LUG

Variable Resistors

-40 Cel

100

Gold (Au) - with Nickel (Ni) barrier

3549

SHAFT

40.259 mm

e4

3549

22.479 mm

2

3600 deg

3549S-1AA-101A

Bourns

POTENTIOMETER

PANEL MOUNT

100 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549S-1AA-104A

Bourns

POTENTIOMETER

PANEL MOUNT

100000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549S-1AA-104B

Bourns

POTENTIOMETER

PANEL MOUNT

100000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549S-1AA-201A

Bourns

POTENTIOMETER

PANEL MOUNT

200 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549S-1AA-503A

Bourns

POTENTIOMETER

PANEL MOUNT

50000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549S-1AC-103B

Bourns

POTENTIOMETER

PANEL MOUNT

10000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

SHAFT

19.812 mm

e4

22.479 mm

1

3600 deg

3549S-1AE-103A

Bourns

POTENTIOMETER

PANEL MOUNT

10000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

3

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

3549

SHAFT

25.222 mm

e4

3549

22.225 mm

1

3600 deg

3549S-2AA-104/104A

Bourns

POTENTIOMETER

PANEL MOUNT

100000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

6

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

3549

SHAFT

40.259 mm

e4

3549

22.479 mm

2

3600 deg

3549S-2AA-502/502A

Bourns

POTENTIOMETER

PANEL MOUNT

5000 ohm

2 W

125 Cel

3 %

10

70 Cel

HORIZONTAL

WIRE WOUND

CIRCULAR PACKAGE

LINEAR

Round

TRAY

6

Panel Mount

LUG

Variable Resistors

-40 Cel

50

Gold (Au)

3549

SHAFT

40.259 mm

e4

3549

22.479 mm

2

3600 deg

93PR100KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

1 W

125 Cel

10 %

.711 mm

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Single Turn

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

MATTE TIN

4.57 mm

200 V

THUMB WHEEL

6.35 mm

e3

12.7 mm

1

270 deg

93PR20KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

20000 ohm

1 W

125 Cel

10 %

.711 mm

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Single Turn

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

MATTE TIN

4.57 mm

200 V

THUMB WHEEL

6.35 mm

e3

12.7 mm

1

270 deg

93PR50KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

50000 ohm

1 W

125 Cel

10 %

.711 mm

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Single Turn

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

MATTE TIN

4.57 mm

200 V

THUMB WHEEL

6.35 mm

e3

12.7 mm

1

270 deg

93PR5KLF

Tt Electronics Plc

TRIMMER

THROUGH HOLE MOUNT

5000 ohm

1 W

125 Cel

10 %

.711 mm

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Single Turn

BULK

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.57 mm

200 V

THUMB WHEEL

6.35 mm

e3

12.7 mm

1

270 deg

534B1501JC

Vishay Intertechnology

POTENTIOMETER

PANEL MOUNT

500 ohm

2 W

125 Cel

5 %

10

70 Cel

HORIZONTAL

WIRE WOUND

LINEAR

3

Panel Mount

LUG

-55 Cel

20

Gold (Au) - with Nickel (Ni) barrier

31.6 V

SHAFT

19.05 mm

e4

22.22 mm

1

3600 deg

T7YA105MB40

Vishay Intertechnology

TRIMMER

PCB MOUNT

1000000 ohm

.06 W

125 Cel

20 %

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Sealed

Bulk

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

Tin/Silver (Sn97Ag3)

4.5 mm

250 V

STANDARD: IEC60393-1

SCREW

5.85 mm

7 mm

CECC41100

1

270 deg

T7YA472MB40

Vishay Intertechnology

TRIMMER

PCB MOUNT

4700 ohm

.5 W

125 Cel

20 %

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Sealed

Bulk

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

Tin/Silver (Sn97Ag3)

4.5 mm

48.5 V

STANDARD: IEC60393-1

SCREW

5.85 mm

7 mm

CECC41100

1

270 deg

T7YB103MB40

Vishay Intertechnology

TRIMMER

PCB MOUNT

10000 ohm

.5 W

125 Cel

20 %

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Sealed

Bulk

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

Tin/Silver (Sn97Ag3)

4.5 mm

70.7 V

STANDARD: IEC60393-1

SCREW

6 mm

7 mm

CECC41100

1

270 deg

T7YB221MB40

Vishay Intertechnology

TRIMMER

PCB MOUNT

220 ohm

.5 W

125 Cel

20 %

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Sealed

Bulk

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

Tin/Silver (Sn97Ag3)

4.5 mm

10.5 V

STANDARD: IEC60393-1

SCREW

6 mm

7 mm

CECC41100

1

270 deg

T7YB472MB40

Vishay Intertechnology

TRIMMER

PCB MOUNT

4700 ohm

.5 W

125 Cel

20 %

1

70 Cel

VERTICAL

CERMET

CIRCULAR PACKAGE

LINEAR

Sealed

Bulk

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

Tin/Silver (Sn97Ag3)

4.5 mm

48.5 V

STANDARD: IEC60393-1

SCREW

6 mm

7 mm

CECC41100

1

270 deg

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.