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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RA3043F-20-10EB1-A53


Slide Potentiometers 30mm TRVL Audio 5K PC Mount
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Alpha Taiwan 832
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AUD 1.5962
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3329H-1-105LF


Trimmer Resistors - Through Hole 1/4"RND 1MOHMS 10% 0.5WATTS
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Bourns 832
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AUD 2.2
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RV16A03F-10-15R1-B500K-0030


Potentiometers Linear W/SW 500K
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Alpha Taiwan 832
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AUD 2.427
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3362X-1-203LF


Trimmer Resistors - Through Hole 1/4"SQ 20KOHMS 10% 0.5WATTS
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Bourns 831
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AUD 0.3913
Multiples of: 1

409VA204M


TE Connectivity Citec Trimmer Resistors - Through Hole
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TE Connectivity 831
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AUD 1.3154
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RV112BF-40E1-25A-B5K-0068


Potentiometers 11mm Linear 5K Dual Unit-Vert PC MT
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Alpha Taiwan 831
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AUD 1.7286
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RK09K1110AK4


Potentiometers 10 KOhms 30%
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ALPS 829
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AUD 1.2327
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RV16BF-20-15R1-B100K-LA


Potentiometers LINEAR W/SW 100K PC MOUNT
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Alpha Taiwan 829
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AUD 3.9423
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PT15NV15-102A2020-S


Trimmer Resistors - Through Hole 15mm controlsensor trimmr potentiometer
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Amphenol 828
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AUD 0.6538
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PDB181-GTR03-504A2


Potentiometers 500K AUDIO KNURLED
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Bourns 828
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AUD 1.0339
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