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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P090S-04F30BR20K


Potentiometers 9mm Rotary Panel Potentiometer
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TT Electronics 1037
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AUD 0.9846
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T93XB104KT20


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Side Adjustment
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Vishay 1037
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AUD 1.6186
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PTL30-15R1-104B2


Slide Potentiometers 100Kohms Travel=30mm Center Detent
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Bourns 1036
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AUD 2.1057
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GF063P1-B202K


Potentiometer: mounting; single turn; 2kΩ; 500mW; ±20%; linear
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Tocos 1036
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AUD 0.5607
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3213X203M


TE Connectivity Citec Trimmer Resistors - SMD 3213 20K
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TE Connectivity 1033
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AUD 1.806
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PT10MH01-505A3030


Trimmer Resistors - Through Hole 5Mohms 10mm Rnd Side adj
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Amphenol 1032
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AUD 0.575
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PT10YV10-105A2020-5CR


Trimmer Resistors - Through Hole 1Mohms 10mm #5 / CREAM
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Amphenol 1027
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AUD 1.1047
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RV16AF-10-20R1-A10K


Potentiometers Audio 10K Solder Lugs
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Alpha Taiwan 1025
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AUD 1.0529
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RK09K1130AU2


Res POT 5K Ohm 20% 1(Elec)/1(Mech)Turn 6mm (9.8 X 18.8mm) Pin Bracket Mount/Through Hole
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ALPS 1007
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AUD 0.5977
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3296Y-1-205LF


Trimmer Resistors - Through Hole 3/8" 2Mohms Sealed Vertical Adjust
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Bourns 436
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AUD 1.6679
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