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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3299Y-1-102LF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 655
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AUD 2.4444
Multiples of: 1

PT10MV10-501A2020


Trimmer Resistors - Through Hole 500ohms 10mm Rnd Top adj
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Amphenol 286
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AUD 0.5832
Multiples of: 1

RV09AF-20-20K-B5K


Potentiometers 9mm Linear 5K
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Alpha Taiwan 286
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AUD 0.7857
Multiples of: 1

RA2043F-20-10EB1-A10K


Slide Potentiometers 20mm TRVL AUDIO 10K PC Mount
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Alpha Taiwan 286
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AUD 1.3095
Multiples of: 1

3299Z-1-102LF


Trimmer Resistors - Through Hole 1Kohms Standoffs Horizontal Adjust
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Bourns 286
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AUD 2.3016
Multiples of: 100

81C1A-E28-A13L


Potentiometers 5/8" (16MM) ST-CP PANEL CTRL
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Bourns 286
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AUD 15.2381
Multiples of: 5

3260W-1-502


5 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Wirewound 11.0 Turn Top Adjustment
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Bourns 286
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AUD 43.6508
Multiples of: 1

PVG5A502C03R00


Trimmer Resistors - SMD 5Kohms 5mm 11turn Top Adjust
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Bourns 285
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AUD 2.3214
Multiples of: 250

3352T-1-204LF


Trimmer Resistors - Through Hole 3/8"round 200Kohms 0.5watt 20%
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Bourns 285
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AUD 2.5492
Multiples of: 1

H-91


Potentiometer Tools & Hardware TRIMMER ADJUST TOOL
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Bourns 284
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AUD 4.4698
Multiples of: 1

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