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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RK0971210Z2M


Potentiometers 20 KOhms 20%
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ALPS 743
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AUD 2.5935
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PTD902-1220F-A204


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 743
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AUD 2.9423
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3296W-1-105RLF


Trimmer Resistors - Through Hole 38" 1Mohms Sealed Vertical Adjust
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Bourns 742
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AUD 3.3269
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3006P-1-204LF


Trimmer Resistors - Through Hole 200K 3/4" 10% Sealed Multi Turn
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Bourns 741
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AUD 1.2342
Multiples of: 100

PS45G-C1SBR10KN


Slide Potentiometers 14W 10K Ohm 20%
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TT Electronics 741
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AUD 4.8462
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3223G-1-502E


Bourns Trimmer Resistors - SMD 3MM SQ MT CERMET TRIMMER
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Bourns 740
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AUD 3.331
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PTV111-4420A-C503


Bourns Potentiometers 50K 20%
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Bourns 739
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AUD 1.1788
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67XR2KLFTB


Trimmer Resistors - Through Hole 12W 2K Ohms 10% MULTI TURN
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TT Electronics 739
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AUD 1.4284
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3296Y-1-252LF


Trimmer Resistors - Through Hole 3/8" 2.5Kohms Sealed Vertical Adjust
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Bourns 729
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AUD 1.5351
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RV16A03F-10-15R1-B500K-0030


Potentiometers Linear W/SW 500K
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Alpha Taiwan 643
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AUD 2.2821
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