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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3296W-1-201RLF


Trimmer Resistors - Through Hole 3/8IN 200 OHM Sealed Vertical Adjust
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Bourns 759
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AUD 2.9423
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ST4ETA204


200 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 758
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AUD 1.42
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3386F-1-502T


5K SINGLE TURN WITH KNOB TRIMMER
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Bourns 758
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AUD 2.0716
Multiples of: 1

3214G-1-203E


20 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 758
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AUD 2.1476
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RV16AF-10-20R1-B25K-LA


Potentiometers LINEAR 25K RND SHAFT SOLDER LUG
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Alpha Taiwan 757
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AUD 1.1698
Multiples of: 1

RA2043F-20-10EB1-A100K


Slide Potentiometers 20mm TVL AUDIO 100K PC Mount
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Alpha Taiwan 757
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AUD 1.3095
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RA3043F-20-10EB1-B14


Slide Potentiometers 30mm Linear 10K PC Mount
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Alpha Taiwan 757
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AUD 1.4492
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RV120F-20-15F-A100K-0075


Potentiometers Audio D-Shaft 100K
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Alpha Taiwan 757
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AUD 1.6063
Multiples of: 1

91A1A-B28-A15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W PC Pins
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Bourns 757
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AUD 7.4381
Multiples of: 1

23AR200LFTR


BI Technologies TT Electronics Trimmer Resistors - SMD 4MM Squ 200 10% Sealed
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TT Electronics 756
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AUD 1.2798
Multiples of: 1

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