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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R16148-1A-2-B10K


Potentiometer: shaft; single turn; 10kO; 125mW; ±20%; THT; 6mm
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SR Passives 7613
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AUD 0.3289
Multiples of: 1

TC33X-2-105G


Trimmer Resistors - SMD 3MM 1MOHMS 25% 0.1WATT OPEN FRM
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Bourns 7519
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AUD 0.1956
Multiples of: 1

3224W-1-501E


500 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 7476
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AUD 1.295
Multiples of: 1

RK09K1130A6S


Res POT 10K Ohm 20% 1(Elec)/1(Mech)Turn 6mm (9.8 X 18.8mm) Pin Bracket Mount/Through Hole
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ALPS 7439
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AUD 0.4626
Multiples of: 1

72PMR50KLF


Trimmer Resistors - Through Hole 3/8" Squ 50K 10%
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TT Electronics 7307
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AUD 1.8832
Multiples of: 100

36PR1KLF


Trimmer Resistors - Through Hole 1K 6MM ST TOP ADJ
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TT Electronics 7290
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AUD 0.5744
Multiples of: 1

TC33X-1-502E


Trimmer Resistors - SMD TRIMMER-3MM OPEN FRM
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Bourns 7275
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AUD 0.1991
Multiples of: 2500

Hot 3296P-1-203LF


Trimmer Resistors - Through Hole 3/8" 20Kohms Sealed Horizontal Adjust
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Bourns 7205
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AUD 1.6746
Multiples of: 1

TC33X-2-501E


Bourns Trimmer Resistors - SMD 3MM 500OHMS 25% 0.1WATT OPEN FRM
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Bourns 4913
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AUD 0.1167
Multiples of: 5

TC33X-2-202E


Trimmer Resistors - SMD 3MM 2KOHMS 25% 0.1WATT OPEN FRM
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Bourns 3055
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AUD 0.1016
Multiples of: 5

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