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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CA9V 4K7


Potentiometer: mounting; single turn, horizontal; 4.7kO; 0.15W
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ACP 1748
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AUD 0.2622
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23BR500KLFTR


Trimmer Resistors - SMD 4MM Squ 500K 10% Sealed
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TT Electronics 1748
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AUD 1.0895
Multiples of: 1

3386H-1-502LF


Trimmer Resistors - Through Hole 3/8" 5Kohms 10% 0.5Watts Square
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Bourns 1748
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AUD 1.1454
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TS53YL103MR10


Trimmer Resistors - SMD 10Kohms 20% SQ POT
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Vishay 1748
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AUD 2.5111
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PV36Y253C01B00


Trimmer Resistors - Through Hole 25Kohms 10mm Square 25turn
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Bourns 1746
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AUD 2.2754
Multiples of: 100

PS100-1B1BR10K


Slide Potentiometers 1/4W 10K Ohms 20% SLIDE POTENTIOMETER
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TT Electronics 1746
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AUD 5.9889
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PT10LV10-251A2020


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Top adj
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Amphenol 1746
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AUD 0.575
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PVG3A501C01R00


Trimmer Resistors - SMD 500ohms Sealed 3mm Sngl turn
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Bourns 1746
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AUD 0.9533
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PV36W502C01B00


Res Cermet Trimmer 5K Ohm 10% 1/2W 25(Elec)Turn 2mm (9.6 X 5 X 11.3mm) Pin Thru-Hole Bulk
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Bourns 1746
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AUD 1.5377
Multiples of: 100

PS30-10PB1B1K


Slide Potentiometers 1K ohm 20% 30mm Slide Potentiometer
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TT Electronics 1746
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AUD 1.8413
Multiples of: 1

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