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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TW1501KA


Potentiometers TW 1W 500R 6.35X25PL
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TE Connectivity 760
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AUD 12.3986
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64XR500LF


Trimmer Resistors - Through Hole 1/4" Squ 500 10%
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TT Electronics 759
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AUD 1.7817
Multiples of: 1

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
Multiples of: 1

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
Multiples of: 1

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

SP22E-1K


Precision Potentiometers 1W 1Kohms 10%
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ETI Systems 758
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AUD 44.5113
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RV120DF-20-15A-B10K


Potentiometers Linear D-Shaft 10K PC Mount
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Alpha Taiwan 757
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AUD 1.3043
Multiples of: 1

RV16AF-10-15R1-B1M


Potentiometers Linear B1M
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Alpha Taiwan 728
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AUD 1.038
Multiples of: 1

72XR50KLF


Trimmer Resistors - Through Hole 3/8" Squ 50K 10%
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TT Electronics 659
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AUD 1.4064
Multiples of: 1

RV16AF-10-15R1-B5K


Potentiometers Linear B5K Solder Lugs
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Alpha Taiwan 0
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AUD 0.9293
Multiples of: 1

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