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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3059Y-1-503


Trimmer Resistors - Through Hole 50Kohms 10% 1-14" PC Mount
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Bourns 976
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AUD 9.5229
Multiples of: 1

P231-FC20AR100K


100k Ohm 1 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W Solder Lug
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TT Electronics 975
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AUD 1.87
Multiples of: 1

PTV09A-1020F-B203


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 20 kohms 20 mm
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Bourns 974
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AUD 1.0764
Multiples of: 1

PTA4543-2010CIB104


Slide Potentiometers PANEL CONTROL - SLIDE CARBON
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Bourns 974
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AUD 1.5039
Multiples of: 1

PDB241-GTR01-504A2


Potentiometers 0.25watt 500Kohms 20% Knurled
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Bourns 974
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AUD 3.25
Multiples of: 100

PDB181-K220K-102B


Res Carbon Film POT 1K Ohm 20% 0.2W(1/5W) 1(Elec)/1(Mech)Turns 6mm (29.5 X 17 X 21mm) Pin Panel Mount/Through Hole
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Bourns 973
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AUD 1.1031
Multiples of: 1

72XR1KLF


Trimmer Resistors - Through Hole 3/8" Squ 1K 10%
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TT Electronics 973
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AUD 1.4064
Multiples of: 1

3306W-1-202


2 kOhms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 972
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AUD 0.3897
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PDB181-K420K-102A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 971
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AUD 1.287
Multiples of: 1

PTV09A-2020F-B103


10k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 942
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AUD 0.7071
Multiples of: 1

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