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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RV121F-30-009J-A50K-00K


Potentiometers 12mm Audio 50K
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Alpha Taiwan 949
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AUD 1.9038
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PTV09A-2020F-B102


1k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 948
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AUD 0.8061
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PT01-B120D-B503


Precision Potentiometers rotary potentiometer single channel vertical 20mm D-cut linear taper 50K ohm
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Same Sky 948
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AUD 0.8538
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3269P-1-101GLF


Bourns Trimmer Resistors - SMD 14" 100ohms 10% Horizontal Adjust
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Bourns 948
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AUD 3.3943
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PTN10-E01SB20


Precision Potentiometers 10mm horizontal 1K ohm screwdriver rotor linear 20% tolerance
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Same Sky 947
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AUD 0.4211
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PDB181-K425K-104B


Bourns Potentiometers 100K SINGLE
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Bourns 947
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AUD 1.2634
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11VR1K20F2N103B1


Potentiometers 20mm flat shaft -10C +70C 100 Ohm
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CTS 947
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AUD 1.5962
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PDB182-K420P-104B


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 947
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AUD 2.2308
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PTL30-15G0-104B2


Slide Potentiometers 100Kohms Travel=30mm
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Bourns 947
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AUD 2.4762
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Hot 3203X503P


TE Connectivity Holsworthy Trimmer Resistors - SMD 3203X 50K
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TE Connectivity 462
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AUD 2.2314
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