About Potentiometers, Trimmers & Rheostats

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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Hot 3314J-1-203E


Trimmer Resistors - SMD 20K 20% 4MM SQ SMT SINGLETURN
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Bourns Availability : 1366
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USD 0.3436

Multiples of: 1

PVG5H102C03B00


Trimmer Resistors - SMD 1Kohms 5mm 11turn Side Adjust
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Bourns Availability : 1366
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USD 2.392

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PS6KV50-103A3030-I-PM


TRIMMER, 10K, 0.1W, 1TURN
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Amphenol Availability : 1365
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USD 0.0954

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PS15-10PC1BR5K


Slide Potentiometers 10K Ohms 20% SLIDE POTENTIOMETER
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TT Electronics Availability : 1365
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USD 0.8443

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T67W-20K


Potentiometer: mounting; multiturn; 20kO; 250mW; ±10%; linear
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SR Passives Availability : 1364
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USD 0.3236

Multiples of: 1

PDB181-K420K-104A2


Bourns Potentiometers 100K SINGLE
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Bourns Availability : 1364
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USD 0.7712

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53AAA-B28-A15L


Potentiometers PANEL CONTROL - 1/2" (12.5MM) SQ 1-TURN
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Bourns Availability : 1364
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USD 6.854

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PT10LH01503A2020S


Potentiometer: mounting; single turn, vertical; 50kO; 150mW; ±20%
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Amphenol Availability : 1363
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USD 0.195

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R16148-1A-1-A50K


Potentiometer: shaft; single turn; 50kO; 63mW; ±20%; on cable; 6mm
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SR Passives Availability : 1359
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USD 0.2066

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3306P-1-104


100 kOhms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns Availability : 1359
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USD 0.2599

Multiples of: 1

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