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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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 1022
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AUD 0.777
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PTA2043-2015CPB502


Slide Potentiometers 15MM SHAFT NO DET 20MM STRK SNG LIN
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Bourns 1021
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AUD 1.1629
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3224W-1-105G


Trimmer Resistors - SMD 4mm 1Mohms 10% Square Cermet Sealed
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Bourns 1021
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AUD 4.2885
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RK14K1220D22


50V ±20% 50mW 100kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 1020
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AUD 0.4833
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T73YP105KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 1M
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Vishay 1020
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AUD 1.3365
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3296W-1-472LF


Bourns Trimmer Resistors - Through Hole 38" 4.7Kohms Sealed Vertical Adjust
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Bourns 1020
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AUD 1.7373
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PTV111-3415A-B104


Potentiometers PANEL CONTROL
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Bourns 1019
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AUD 1.1227
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PTV111-3420A-B104


Bourns Slide Potentiometers PANEL CONTROL
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Bourns 1019
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AUD 1.1262
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P160KNP-0QC20A100K


Potentiometers 1/10W 100K Ohms 20% 16mm ROTARY POT
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TT Electronics 1019
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AUD 1.6203
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Hot 3314J-1-504E


Trimmer Resistors - SMD 4mm SQ 500K
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Bourns 1018
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AUD 0.6174
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