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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1825160-1


Switch Slide SPDT Side Slide 0.25A 125VAC 10000Cycles PC Pins Thru-Hole
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TE Connectivity 952
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AUD 1.1304
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3362P-1-102ALF


Trimmer Resistors - Through Hole 1/2W 1Kohm 10% Plastic Spacer
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Bourns 952
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AUD 2.3077
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RD701F-20B1-15F-B5K


Potentiometers Linear 7mm 5K
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Alpha Taiwan 952
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AUD 3.3269
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PDB181-A420K-104B


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 951
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AUD 1.0701
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PTA4553-2015DPB502


Slide Potentiometers 15MM SHAFT NO DET 45MM STRK SNG LIN
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Bourns 951
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AUD 1.496
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3314G-2-102E


Bourns Trimmer Resistors - SMD 4mm SQ 1K
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Bourns 950
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AUD 1.2446
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Hot T93YA254KT20


Trimmer Resistors - Through Hole 3/8" SQ V/ADJ 250K
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Vishay 950
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AUD 1.4523
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P16NP102MAB15


Potentiometers 1Kohms 20% Linear Plastic black
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Vishay 950
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AUD 16.1411
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PT15NH06-503A2020


Trimmer Resistors - Through Hole 50Kohms 15mm Rnd
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Amphenol 949
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AUD 0.7635
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RV112BCF-40-25A-B1K


Potentiometers 11mm Linear 1K Dual Unit-Vert PC MT
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Alpha Taiwan 949
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AUD 1.5557
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