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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91A1A-B28-D25L


Potentiometers 5/8" 1M 20% Square Single Turn
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Bourns 130
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AUD 7.1413
Multiples of: 1

51CAD-E16-B17L


Res Conductive Plastic POT 25K Ohm 20% 0.5W(1/2W) 1(Elec)/1(Mech)Turns 3.18mm (21.59 X 12.5 X 13.25mm) Pin Panel Mount/Through Hole
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Bourns 130
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AUD 9.123
Multiples of: 1

308NPC100K


100k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W PC Pins
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Honeywell 130
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AUD 9.9802
Multiples of: 1

3590P-291-501


Res Wirewound POT 500 Ohm 5% 2W 10(Elec)/10(Mech)Turn 6.34mm (39.22 X 22.23 X 22.92mm) Pin Panel Mount/Through Hole
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Bourns 130
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AUD 27.4167
Multiples of: 1

3290W-1-103


10 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Wirewound 25.0 Turn Top Adjustment
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Bourns 130
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AUD 39.7222
Multiples of: 1

PSP01-082A-103B2


Slide Potentiometers 10Kohm 20% 100mm LINEAR
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Bourns 130
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AUD 51.7692
Multiples of: 1

TS63Y203KR10


Trimmer Resistors - SMD 20K OHM 6.35MM SEALD
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Vishay 129
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AUD 2.7997
Multiples of: 500

3296Y-1-504


Trimmer Resistors - Through Hole 3/8" 500Kohms Sealed Vertical Adjust
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Bourns 129
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AUD 4.3077
Multiples of: 1

3339P-1-501


Trimmer Resistors - Through Hole 500ohm 5/16" Rnd 4Turn Cermet
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Bourns 129
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AUD 6.8968
Multiples of: 1

3386F-1-201LF


200 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 120
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AUD 1.0668
Multiples of: 1

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