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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389CM471870


Potentiometers Industrial Potentiometers
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Honeywell 63
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AUD 576.0417
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PDB181-E420K-105B


Res Carbon Film POT 1M Ohm 20% 0.2W(1/5W) 1(Elec)/1(Mech)Turns 6mm (29.5 X 17 X 21.5mm) Solder Lug Panel Mount
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Bourns 62
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AUD 1.256
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PTT111-4425A-B502


Potentiometers 5K LINEAR 20%
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Bourns 62
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AUD 1.3955
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3299Z-1-105LF


Trimmer Resistors - Through Hole 1Mohms Standoffs Horizontal Adjust
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Bourns 62
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AUD 2.2657
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RK45B1A00002


Potentiometers Hollow Shaft Device w/LED; 17 postion
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ALPS 62
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AUD 3.1134
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3266Z-1-105LF


Bourns Trimmer Resistors - Through Hole 14" 1Mohms 10% SQ WStandoff Sealed
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Bourns 62
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AUD 3.2179
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3299Z-1-500


Trimmer Resistors - Through Hole 50ohms Standoffs Horizontal Adjust
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Bourns 62
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AUD 3.8433
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3339H-1-105LF


1 MOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Top Adjustment
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Bourns 62
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AUD 4.2358
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3269W-1-201


Trimmer Resistors - SMD 1/4IN 200 OHMS 10% Vertical Adjust
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Bourns 62
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AUD 5.2866
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3266P-1-200


Trimmer Resistors - Through Hole 1/4IN 20 OHMS 10% SQ W/Standoff Sealed
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Bourns 62
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AUD 7.8654
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