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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PDB181-K420F-103A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 425
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AUD 1.1279
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67YR5KLFTB


Trimmer Resistors - Through Hole 1/2W 5K Ohms 10% MULTI TURN
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TT Electronics 425
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AUD 1.4527
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3296Y-1-500LF


50 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 425
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AUD 1.8159
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3224W-1-502G


Trimmer Resistors - SMD 4mm 5Kohms 10% Square Cermet Sealed
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Bourns 425
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AUD 3.5413
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68XR500LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Side Adjustment
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TT Electronics 424
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AUD 1.5988
Multiples of: 1

67WR50KLFTB


BI Technologies TT Electronics Trimmer Resistors - Through Hole 12W 50K Ohms 10% MULTI TURN
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TT Electronics 424
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AUD 1.6191
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3362F-1-104LF


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1 Turn Top Adjustment
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Bourns 424
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AUD 1.7059
Multiples of: 1

PTR901-2015F-A104


Potentiometers PANEL CONTROLS
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Bourns 424
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AUD 3.4571
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RS301111J00J


Slide Potentiometers Slide Potentiometer
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ALPS 423
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AUD 0.6722
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026TB32R501B1A1


500 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 410
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AUD 4.854
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