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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3306W-1-254


Trimmer Resistors - Through Hole 250K 25% 6mm Single Turn
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Bourns 1712
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AUD 0.3492
Multiples of: 1

PS30-20PB1BR10K


Slide Potentiometers 10K ohm 20% 30mm Slide Potentiometer
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TT Electronics 1711
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AUD 2.2692
Multiples of: 1

68WR500


Res Cermet Trimmer 500 Ohm 10% 0.5W(1/2W) 20(Elec)Turn 2.29mm (9.53 X 6.22 X 11.05mm) Pin Thru-Hole Box
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TT Electronics 1711
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AUD 3.0417
Multiples of: 4

PT10LH01-251A2020


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Side adj
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Amphenol 1710
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AUD 0.4365
Multiples of: 1

PTV09A-2020S-A102


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 1 kohms 20 mm
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Bourns 1709
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AUD 0.9865
Multiples of: 1

PT15LH06-251A2020-S


Trimmer Resistors - Through Hole 250ohms 15mm Rnd Steel Leads
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Amphenol 1708
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AUD 0.6538
Multiples of: 1

R16148-1A-1-B220K


Potentiometer: shaft; single turn; 220kO; 125mW; ±20%; on cable
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SR Passives 1705
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AUD 0.3282
Multiples of: 1

PTC10LV10-504A2020


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd
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Amphenol 1704
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AUD 1.2533
Multiples of: 1

3362P-1-222LF


Bourns Trimmer Resistors - Through Hole 14"SQ 2.2KOHMS 10% 0.5WATTS
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Bourns 1702
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AUD 0.6206
Multiples of: 1

PT6KV-503A2020


Trimmer Resistors - Through Hole 50Kohms 6mm Rnd Top adj
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Amphenol 1632
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AUD 0.3657
Multiples of: 1

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