Potentiometers, Trimmers & Rheostats

A potentiometer, trimmer, and rheostat are all three types of resistors that are adjustable. They are used to control the electric current by varying the resistance in the circuit. A potentiometer is an adjustable three-terminal resistor with a sliding contact (wiper) that moves across a resistive element to change resistance in a circuit. They are used in audio controls, light dimmers, and other applications that require adjustable resistance in the circuit. A trimmer is a miniature version of a potentiometer, and it’s used to make fine adjustments in electronics circuits. It can be used for voltage and current adjustments, and for tuning circuits for maximum performance. A rheostat is an adjustable two-terminal rotor, and it’s used to control the current in a circuit. It’s often used to control the speed of a motor or other electrical device.
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3386P-1-104LF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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Bourns 1202
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AUD 0.8741
Multiples of: 1

3362U-1-504


Trimmer Resistors - Through Hole 1/4"SQ 500KOHMS 10% 0.5WATTS
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Bourns 145
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AUD 1.4104
Multiples of: 200

3310Y-001-105


Res Conductive Plastic POT 1M Ohm 20% 0.25W(1/4W) 1(Elec)/1(Mech)Turn 3.18mm (9.53 X 9.53 X 17.88mm) Pin Panel Mount/Through Hole
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Bourns 145
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AUD 1.4692
Multiples of: 1

25RXR500LF


Trimmer Resistors - Through Hole 500 ohm 10% 1/4" Single Turn
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TT Electronics 145
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AUD 1.7276
Multiples of: 50

3386C-1-205LF


2 MOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 145
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AUD 1.6135
Multiples of: 1

91WR500KLF


Trimmer Resistors - Through Hole 3/8inch 500KLEADFRE Thumbwheel
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TT Electronics 145
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AUD 2.1455
Multiples of: 1

WI-11-103


±10% 500mW 10kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 140
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AUD 1.6968
Multiples of: 1

PT15-N-V-203(20K)


±20% 250mW 20kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 135
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AUD 0.2265
Multiples of: 5

3006P-1-501


Precision Potentiometer 500Ohms ±10% ±250ppm/℃ 3006P RoHS
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Guosheng 135
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AUD 0.2279
Multiples of: 5

RK11K1120D1W


20V ±20% 50mW 250kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 43
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AUD 0.2279
Multiples of: 5

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