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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PTD901-1025K-B503


Potentiometers 50K LINEAR
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Bourns 661
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AUD 1.8857
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PDB181-GTR02-504A2


Potentiometers PANEL CONTROL 18MM-ST-CARBON
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Bourns 661
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AUD 1.9206
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64YR1KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" 12-TURN SEALED
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TT Electronics 661
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AUD 2.0603
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3214X-1-501E


500 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 661
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AUD 2.1476
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RV16CF-40-16 F1-B10K


Potentiometers Linear 10K Right Angle PC Mount
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Alpha Taiwan 660
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AUD 3.4222
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RK12L1210C0V


Potentiometers Horizontal type / Dual-unit (for Tone) / 10k ohm, 1B / LM1=30mm
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ALPS 660
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AUD 0.7899
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PVG3G103C01R00


Trimmer Resistors - SMD 10K Ohm 20% 1/4W
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Bourns 660
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AUD 0.9533
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PDB181-K420K-102B


Bourns Potentiometers 1K SINGLE
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Bourns 660
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AUD 1.1175
Multiples of: 1

PTD902-2015P-C504


Potentiometers 500K
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Bourns 660
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AUD 2.1825
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3362W-1-103LF


10 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 401
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AUD 0.5582
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