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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3059Y-1-502MLF


Trimmer Resistors - Through Hole 5Kohms 10% 1-1/4" Panel Mount
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Bourns 153
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AUD 24.5577
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CU1531E


Ohmite Potentiometers 2watt 15K LIN
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Ohmite 153
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AUD 39.6455
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RSA0N11M9A04


Slide Potentiometers 10K OHM A TAPER 100mm TRAVEL
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ALPS 153
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AUD 42.703
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3362M-1-100LF


Trimmer Resistors - Through Hole 1/4IN SQ 10 OHMS 10% 0.5WATTS
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Bourns 152
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AUD 1.2013
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89PR1MEGLF


Trimmer Resistors - Through Hole 19MM 3/4" 15-TURN SEALED
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TT Electronics 152
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AUD 1.2987
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3386U-1-503LF


Trimmer Resistors - Through Hole 38" 50Kohms 10% 0.5Watts Square
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Bourns 152
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AUD 1.625
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3352T-1-504LF


Trimmer Resistors - Through Hole 3/8"round 500Kohms 0.5watt 20%
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Bourns 152
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AUD 2.594
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3006P-7-105LF


Bourns Trimmer Resistors - Through Hole 1M 34" 10% Sealed Multi Turn
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Bourns 152
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AUD 2.6597
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3296Y-1-253


Trimmer Resistors - Through Hole 3/8" 25Kohms Sealed Vertical Adjust
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Bourns 152
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AUD 2.7582
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RA6020F-10-15F2-B54


Slide Potentiometers 60mm TRVL Linear 50K
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Alpha Taiwan 143
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AUD 2.2821
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