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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3314R-1-203E


Bourns Trimmer Resistors - SMD 4mm SQ 20K
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Bourns 3880
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AUD 1.3455
Multiples of: 500

3313X-1-103E


Trimmer Resistors - SMD 3MM TRIM POT 10K SMD SEALED
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Bourns 1940
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AUD 1.25
Multiples of: 1

3313S-1-502E


5 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 1940
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AUD 1.3474
Multiples of: 200

3362H-1-501LF


Trimmer Resistors - Through Hole 1/4"SQ 500OHMS 10% 0.5WATTS
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Bourns 1940
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AUD 1.3073
Multiples of: 250

PV37X104C01B00


Trimmer Resistors - Through Hole 100Kohms Sealed 6mm Square 12turn
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Bourns 1940
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AUD 1.4081
Multiples of: 100

3314R-1-102E


Bourns Trimmer Resistors - SMD 4mm SQ 1K
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Bourns 1940
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AUD 1.3455
Multiples of: 500

3296W-1-223LF


22 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 1940
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AUD 1.4063
Multiples of: 100

1879029-2


Trimmer Resistors - SMD 3213 1K
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TE Connectivity 1940
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AUD 1.5664
Multiples of: 500

3006P-1-253LF


Trimmer Resistors - Through Hole 25K 3/4" 10% Sealed Multi Turn
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Bourns 1901
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AUD 1.3106
Multiples of: 1

3213X102M


TE Connectivity Citec Trimmer Resistors - SMD 3213 1K
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TE Connectivity 970
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AUD 1.6125
Multiples of: 500

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