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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78LBWR50


Res Cermet Trimmer 50 Ohm 20% 1W 22(Elec)Turn (40.49 X 7.925 X 11.1mm) Lead Wire Panel Mount Box
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TT Electronics 72
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AUD 23.8402
Multiples of: 25

3590S-4-203L


Bourns Precision Potentiometers 78"WW 20Kohms 0.25% 10turn
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Bourns 72
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AUD 24.0778
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P11H1F0GHFW10502KA


Potentiometers 5Kohms 10% 12.5mm Cermet Element
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Vishay 72
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AUD 24.9285
Multiples of: 1

392JB50K


50k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W PC Pins
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Honeywell 72
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AUD 27.1032
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RJ50FP103


Trimmer Resistors - Through Hole 10K 100ppm 1/4" 10%
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Bourns 72
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AUD 31.209
Multiples of: 1

53C25K


Potentiometers 5K Ohm 10% 2W 6.35mm
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Honeywell 72
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AUD 37.5397
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380C150K


Potentiometers 50 K Ohms 10% 2W Solder Lug
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Honeywell 72
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AUD 39.2063
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3682S-1-502L


Precision Potentiometers 5K Ohms Digital +/- 3% tol 1% res
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Bourns 72
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AUD 57.4405
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D381N10K


Potentiometers 10 K Ohms 10% 1W Solder Lug
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Honeywell 72
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AUD 86.375
Multiples of: 1

3296W-1-254LF


Trimmer Resistors - Through Hole 3/8" 250Kohms Sealed Vertical Adjust
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Bourns 23
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AUD 0.8057
Multiples of: 1

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