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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1801WSMD-100K


Potentiometer: mounting; vertical, multiturn; 100kO; 250mW; SMD
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SR Passives 1117
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AUD 2.0404
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91A1A-B28-B15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 1W PC Pins
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Bourns 418
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AUD 7.6836
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PT10LV10-474A2020


PT10LV10-474A2020
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Amphenol 161
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AUD 0.6
Multiples of: 1

3299P-1-504LF


Trimmer Resistors - Through Hole 500Kohms Standoffs Horizontal Adjust
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Bourns 161
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AUD 2.4463
Multiples of: 1

3352P-1-503LF


Trimmer Resistors - Through Hole 3/8"round 50Kohms 0.5watt 20%
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Bourns 161
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AUD 2.4813
Multiples of: 100

3299P-1-501LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 161
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AUD 2.7381
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PT10MV10-202A2020


Trimmer Resistors - Through Hole 2Kohms 10mm Rnd Top adj
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Amphenol 158
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AUD 0.7552
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PTV09A-4030U-B203


Res Carbon Film POT 20K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (11.4 X 12.5 X 33.8mm) Pin Bracket Mount/Through Hole
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Bourns 135
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AUD 0.7388
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3386X-1-500LF


Trimmer Resistors - Through Hole 3/8IN 50 OHMS 10% 0.5Watts Square
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Bourns 124
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AUD 0.8972
Multiples of: 1

3386H-1-101LF


Trimmer Resistors - Through Hole 3/8IN 100 OHMS 10% 0.5Watts Square
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Bourns 0
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AUD 1.1131
Multiples of: 1

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