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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93PR-1-104


10% 500mW 100k Plugin Potentiometers, Variable Resistors ROHS
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Guosheng 70
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AUD 1.3635
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3386W-1-504


Trimmer Resistors - Through Hole 3/8"SQ 500KOHMS 10% 0.5WATTS
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Bourns 70
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AUD 1.563
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P160KNP-0QC20B50K


Potentiometers 16mm Rotary Panel Potentiometer
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TT Electronics 70
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AUD 1.5975
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64WR200KLF


Trimmer Resistors - Through Hole 1/4" Squ 200K 10%
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TT Electronics 70
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AUD 1.7731
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PTD902-2220K-A503


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 70
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AUD 2.1672
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64YR200KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 6.35MM 14" 12-TURN SEALED
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TT Electronics 70
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AUD 2.4813
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3310Y-101-104L


Potentiometers 9mm 100Kohms Single Cup
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Bourns 70
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AUD 3.2015
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3269X-1-504LF


500 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 70
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AUD 3.4478
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3266Y-1-105


Trimmer Resistors - Through Hole 14" 1Mohms 10% SQ WStandoff Sealed
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Bourns 70
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AUD 5.7308
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3339S-1-502LF


Trimmer Resistors - Through Hole 5/16" RD TRIMPOT 5K 4-TURN CERMET
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Bourns 70
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AUD 6.1403
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