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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PT10MV10-105A2020-S


Trimmer Resistors - Through Hole 1Mohms 10mm Rnd Top adj Steel Lead
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Amphenol 1339
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AUD 0.4958
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PT15NV18-253A2020


Trimmer Resistors - Through Hole 25Kohms 15mm Rnd
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Amphenol 1338
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AUD 0.787
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P231-QC15AR10K


Potentiometers 24mm Rotary Panel Potentiometer
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TT Electronics 1336
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AUD 2.4038
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72XR500KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 38" Squ 500K 10%
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TT Electronics 1333
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AUD 1.6523
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3362P-1-203RLF


Trimmer Resistors - Through Hole 1/4" SQ TRIMPOT 20K ST CERMET
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Bourns 1332
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AUD 1.2289
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3314Z-GA4-102E


Trimmer Resistors - SMD 4mm SQ 1K
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Bourns 1332
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AUD 2.5577
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RV16AF-20CB-20K-A20K-LA


Potentiometers 16MM PCB POTENTIOMETER
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Alpha Taiwan 1329
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AUD 0.8754
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3214W-1-253E


Trimmer Resistors - SMD 4mm SQ 25Kohms 10% 5Turn
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Bourns 1325
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AUD 2.0221
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R16148-1A-1-A500K


Potentiometer: shaft; single turn; 500kO; 63mW; ±20%; on cable; 6mm
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SR Passives 1313
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AUD 0.2944
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PT15NH05502A2020S


Potentiometer: mounting; single turn, vertical; 5kO; 250mW; ±20%
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Amphenol 35
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AUD 0.5659
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