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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3266W-1-503


Precision Potentiometer 50KOhms ±10% ±250ppm/℃ 3266W RoHS
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Guosheng 1736
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AUD 0.2444
Multiples of: 5

PDB181-P415P-103B


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 452
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AUD 1.0704
Multiples of: 1

82PR50LF


Trimmer Resistors - Through Hole 50 OHM 1/4" ROUND
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TT Electronics 452
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AUD 1.2855
Multiples of: 1

PTR901-2015F-B102


Potentiometers 1K LINEAR
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Bourns 452
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AUD 5.8462
Multiples of: 1

534B1203JCB


Potentiometer: shaft; multiturn; 20kO; 2W; ±5%; 6.35mm; Series:534
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Vishay 452
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AUD 29.1493
Multiples of: 1

T73XH104KT20


Trimmer Resistors - Through Hole 1/4"SQ H/ADJ 100K
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Vishay 452
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AUD 1.5019
Multiples of: 1

3352V-1-503LF


Trimmer Resistors - Through Hole 3/8"round 50Kohms 0.5watt 20%
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Bourns 452
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AUD 2.0385
Multiples of: 1

409HA102M


TE Connectivity Citec Trimmer Resistors - Through Hole 409H 1K
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TE Connectivity 451
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AUD 0.9079
Multiples of: 1

3361P-1-204


±10% 200kΩ SMD,6.9x7mm Variable Resistors/Potentiometers ROHS
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Guosheng 443
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AUD 0.8432
Multiples of: 1

RV16AF-10-15R1-B500K


Potentiometers Linear B500K Solder Lugs
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Alpha Taiwan 431
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AUD 1.32
Multiples of: 1

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