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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3306F-1-503


50 kOhms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 3005
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AUD 0.3897
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3386P-1-250LF


Trimmer Resistors - Through Hole 1/4W 25ohm 10%
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Bourns 2032
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AUD 1.173
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PT15NV18-251A2020-S


Trimmer Resistors - Through Hole 250ohms 15mm Rnd Steel Leads
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Amphenol 2031
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AUD 0.6538
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PT10KH01-103A2020-E-S


Trimmer Resistors - Through Hole 10mm controlsensor trimmr potentiometer
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Amphenol 2029
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AUD 0.5442
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PT15NV18-104A2020


Trimmer Resistors - Through Hole 100Kohms 15mm Rnd
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Amphenol 2028
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AUD 0.7635
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3296W-1-250LF


Trimmer Resistors - Through Hole 3/8" 25ohms Sealed Vertical Adjust
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Bourns 2026
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AUD 1.6029
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PT15RV18-103A1010E-S


Trimmer Resistors - Through Hole 2
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Amphenol 2023
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AUD 0.6981
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P0915N-QC15BR5K


Potentiometers 1/20W 5K Ohms 20% 9mm ROTARY POT
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TT Electronics 2022
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AUD 1.8543
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TC33X-2-302E


Trimmer Resistors - SMD 3MM 3KOHMS 25% 0.1WATT OPEN FRM
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Bourns 2002
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AUD 0.22
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RK09L1140A2U


Potentiometers Sgl Unit Vert Flat Snap-in 10K Ohms 20%
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ALPS 193
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AUD 1.3371
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