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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RV24AF-40-15R1-B1M-3


Potentiometers Linear 1M Vert Angle PC Mount
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Alpha Taiwan 958
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AUD 1.3095
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RV120F-10-15F-A50K-0075


Potentiometers Audio D-Shaft 50K
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Alpha Taiwan 958
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AUD 1.6063
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T73YB203KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 20K
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Vishay 958
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AUD 1.7481
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3224W-1-102G


Bourns Trimmer Resistors - SMD 4mm 1Kohms 10% Square Cermet Sealed
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Bourns 958
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AUD 3.3873
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PTV111-1415A-A3104


Potentiometers PANEL CONTROL
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Bourns 957
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AUD 1.2397
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3314J-2-104E


Trimmer Resistors - SMD 4mm SQ 100K
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Bourns 957
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AUD 1.2589
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409VA105M


TE Connectivity Citec Trimmer Resistors - Through Hole 409V 1M
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TE Connectivity 957
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AUD 1.3154
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RA3043F-20-10EB1-B15


Slide Potentiometers 30mm Linear 100K PC Mount
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Alpha Taiwan 957
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AUD 1.3619
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T73XW104KT20


Trimmer Resistors - Through Hole 1/4"SQ H/ADJ 100K
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Vishay 957
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AUD 1.5019
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PTA6043-2010CIB503


Slide Potentiometers 50K LINEAR
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Bourns 957
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AUD 1.6675
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