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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PTA2043-2010CIA104


Slide Potentiometers 10MM SHAFT NO DET 20MM STRK SNG AUD
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Bourns 842
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AUD 1.1559
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RV120F-20-15F-A1M-0075


Potentiometers Audio D-Shaft 1M
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Alpha Taiwan 840
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AUD 1.6063
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3362P-1-303LF


Bourns Trimmer Resistors - Through Hole 14"SQ 30KOHMS 10% 0.5WATTS
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Bourns 840
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AUD 0.6492
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PTV09A-2020S-B503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 20 mm
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Bourns 840
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AUD 0.7403
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PDB183-GTR02-504A2


Bourns Potentiometers 500KOHMS PLAIN SOLDER LUGS
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Bourns 840
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AUD 5.2556
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PTV09A-4025S-A103


Bourns Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 839
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AUD 0.7508
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09VR1K20F1C103B1


Potentiometers 280Deg 100kOhm -10C +70C Flat Shaft
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CTS 839
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AUD 0.8533
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RK09K11100DN


Potentiometers Horizontal type (H=6.5mm) / Single-unit / 10k ohm, 1B / LM1=20mm (Flat Shaft) / 280 Deg. Rot./ With Center Detent
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ALPS 839
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AUD 0.9041
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PDB181-K420K-203A2


Potentiometers 20K Ohms Single 20mm Shaft Rotary
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Bourns 839
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AUD 1.1279
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84WR1KLFTR


Trimmer Resistors - SMD 1/4W 1K Ohms 10% MULTI TURN
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TT Electronics 665
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AUD 2.3222
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