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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P231-QC15BR5K


Potentiometers 24mm Rotary Panel Potentiometer
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TT Electronics 1565
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AUD 2.4038
Multiples of: 1

PT15LV18-104A2020-S


Trimmer Resistors - Through Hole 100Kohms 15mm Rnd Steel Leads
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Amphenol 1563
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AUD 0.6538
Multiples of: 1

T93XA103KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 10K
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Vishay 1561
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AUD 1.4884
Multiples of: 500

PT10LH01252A2020S


Potentiometer: mounting; single turn, vertical; 2.5kO; 150mW; ±20%
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Amphenol 1558
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AUD 0.316
Multiples of: 1

PT10LH01-251A2020-S


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Side adj Steel lead
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Amphenol 1557
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AUD 0.484
Multiples of: 1

R16148-1A-2-A500K


Potentiometer: shaft; single turn; 500kO; 63mW; ±20%; THT; 6mm
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SR Passives 1555
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AUD 0.286
Multiples of: 1

PT6KV333A2020


Trimmer Resistors - Through Hole 33Kohms 6mm Top adj
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Amphenol 1555
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AUD 0.5308
Multiples of: 1

3296X-1-102


Precision Potentiometer 1KOhms ±10% ±250ppm/℃ Through Hole RoHS
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Guosheng 1547
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AUD 0.1601
Multiples of: 5

RA3043F-20-10EB1-B15


Slide Potentiometers 30mm Linear 100K PC Mount
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Alpha Taiwan 1511
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AUD 1.2257
Multiples of: 1

3362P-1-505LF


Bourns Trimmer Resistors - Through Hole 14"SQ 5MOHMS 10% 0.5WATTS
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Bourns 1454
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AUD 0.5909
Multiples of: 1

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