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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3269P-1-101GLF


Bourns Trimmer Resistors - SMD 14" 100ohms 10% Horizontal Adjust
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Bourns 957
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AUD 3.4478
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PTD902-2015P-B203


Potentiometers 20K LINEAR
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Bourns 229
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AUD 2.003
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PVG5H105C03R00


Bourns Trimmer Resistors - SMD 1Mohms 5mm 11turn Side Adjust
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Bourns 229
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AUD 2.6597
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3266Y-1-101LF


100 Ohms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 229
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AUD 3.0849
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ST4ETA504


500 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 228
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AUD 1.2481
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3386B-1-253LF


Trimmer Resistors - Through Hole 3/8" 25Kohms 10% 0.5Watts Square
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Bourns 228
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AUD 1.4786
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P091N-QC25BR50K


Potentiometers 9mm 50Kohm
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TT Electronics 228
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AUD 1.8881
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PT6KV251A2020


Potentiometer: mounting; single turn, horizontal; 250O; 100mW
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Amphenol 209
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AUD 0.3427
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67YR100KLF


Trimmer Resistors - Through Hole 3/8" Squ 100K 10%
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TT Electronics 190
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AUD 1.3299
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64YR5KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" 12-TURN SEALED
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TT Electronics 132
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AUD 2.0358
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