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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PTL45-15R1-502B2


Slide Potentiometers 5Kohms Travel=45mm Center Detent
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Bourns 65
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AUD 2.003
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3299Y-1-200LF


20 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 65
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AUD 2.2657
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PV36P500C01B00


Trimmer Resistors - Through Hole 50ohms 10mm Square 25turn
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Murata 65
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AUD 2.6923
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3296X-1-203


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 65
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AUD 2.9881
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T63YB253KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 25K
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Vishay 65
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AUD 2.9881
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PS45M-0MC2BR10K


BI Technologies TT Electronics Slide Potentiometers 10K Ohms 20% SLIDE POTENTIOMETER
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TT Electronics 65
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AUD 3.0045
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3590S-2-102L


Potentiometers & Variable Resistors ±5% ±50ppm/°C Through Hole RoHS
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Guosheng 65
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AUD 3.3933
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3009P-1-103ZLF


Bourns Trimmer Resistors - Through Hole 10Kohms 10% 34inch Panel Mount
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Bourns 65
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AUD 4.459
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T-21AHM0607203A2020


Potentiometer: shaft; single turn; 20kΩ; 200mW; THT; 6mm; metal
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Amphenol 65
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AUD 7.8149
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3339S-1-202LF


Trimmer Resistors - Through Hole 5/16" RD TRIMPOT 2K 4-TURN CERMET
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Bourns 65
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AUD 8
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