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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TS3YJ502MR15


Trimmer Resistors - SMD 3mm 5K
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Vishay 1521
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AUD 2.0918
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PT10MV10-255A3030


Trimmer Resistors - Through Hole 2.5Mohms 10mm Rnd Top adj
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Amphenol 1519
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AUD 0.5732
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PT10MV10-505A3030-S


Trimmer Resistors - Through Hole 5Mohms 10mm Rnd Top adj Steel Lead
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Amphenol 1519
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AUD 0.4981
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PT15NV18-251A2020


Trimmer Resistors - Through Hole 250ohms 15mm Rnd
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Amphenol 1518
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AUD 0.7635
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3299X-1-504LF


Trimmer Resistors - Through Hole 500Kohms Standoffs Horizontal Adjust
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Bourns 1518
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AUD 2.3016
Multiples of: 100

PT15NV17-103A2020-E-S


Trimmer Resistors - Through Hole
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Amphenol 1517
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AUD 0.6897
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PT15LH06-502A2020


Trimmer Resistors - Through Hole 5Kohms 15mm Rnd
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Amphenol 1516
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AUD 0.7247
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PV36W501C01B00


Trimmer Resistors - Through Hole 500ohms 10mm Square 25turn
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Murata 1516
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AUD 1.3025
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PV36W200C01B00


Trimmer Resistors - Through Hole 20ohms 10mm Square 25turn
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Murata 1516
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AUD 1.3163
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P260T-S1BS3CB100K


Potentiometers 12.7mm Square Panel Potentiometer
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TT Electronics 1515
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AUD 12.327
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