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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91C1A-D24-B17L


Potentiometers 25K 20% 5/8" SQ ST
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Bourns 668
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AUD 11.1414
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PDB181-K220K-502B


Potentiometers 5K SINGLE
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Bourns 667
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AUD 1.1031
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3006Y-1-202


Trimmer Resistors - Through Hole 2K 3/4" 10% Sealed Mutlti Turn
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Bourns 667
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AUD 2.5704
Multiples of: 1

PTL60-15G1-503B2


Slide Potentiometers 50Kohms Travel=60mm Center Detent
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Bourns 667
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AUD 2.8846
Multiples of: 1

RV170SF-10-20K-A100K-0021


Potentiometers Audio W/SW Knurled 100K Solder Lugs
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Alpha Taiwan 666
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AUD 1.8386
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RV120F-20-15F-B5K


Potentiometers Linear D-Shaft 5K
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Alpha Taiwan 665
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AUD 1.4056
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PDB242-E420K-254A2


Bourns Potentiometers 0.25watt 250Kohms 20% Knurled
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Bourns 665
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AUD 3.5385
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PDB185-GTR01-254A2


Potentiometers 250K AUDIO KNURLED
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Bourns 660
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AUD 9.6861
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GF063P1-B102K


Potentiometer: mounting; single turn; 1kΩ; 500mW; ±20%; linear
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Tocos 626
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AUD 0.4717
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3104605994


Potentiometer: shaft; single turn; 1kO; 4W; ±10%; 6mm; wirewound
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TT Electronics 560
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AUD 13.791
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