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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3306P-1-471


Trimmer Resistors - Through Hole TRIMMER -SMD 6MM RD ST CERMET OPEN FRAME
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Bourns 1800
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AUD 0.3248
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PTN10-D11SB20


Precision Potentiometers 10mm horizontal 1M ohm screwdriver rotor linear 20% tolerance
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Same Sky 1797
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AUD 0.4208
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RV4NAYSD102A


POT 1K OHM 2W CARBON LINEAR
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Precision Electronics 1797
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AUD 16.25
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3386X-1-225LF


Trimmer Resistors - Through Hole 3/8" SQ TRIMPOT 2.2M ST SEALED CERMET
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Bourns 1796
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AUD 1.2581
Multiples of: 1

G32AT-B502


Potentiometer: mounting; single turn; 5kΩ; 125mW; SMD; ±20%; linear
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Tocos 1795
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AUD 0.5644
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PT15XH06-503A20201NE


Trimmer Resistors - Through Hole 50Kohms 15mm Rnd w/shaft
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Amphenol 1795
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AUD 1.0827
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35WR200LFTR


Trimmer Resistors - SMD 3mm 200 Open Type Trimmer
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TT Electronics 1792
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AUD 0.4679
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R16148-1B-2-A100K


Potentiometer: shaft; single turn; 100kO; 63mW; ±20%; THT; 6mm
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SR Passives 1792
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AUD 0.6426
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PT15NH05-475A2020-S


Trimmer Resistors - Through Hole 15mm controlsensor trimmr potentiometer
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Amphenol 1790
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AUD 0.6538
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3299W-1-503LF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 1498
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AUD 2.4444
Multiples of: 1

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