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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3352V-1-104


Trimmer Resistors - Through Hole TRIMMER - 3/8" RD ST CERMET
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Bourns 475
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AUD 3.625
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PT01-D130K2-B203


Precision Potentiometers rotary potentiometer single channel horizontal 30mm knurled linear taper 20K ohm
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Same Sky 474
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AUD 0.6663
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72PMR2KLF


Trimmer Resistors - Through Hole 3/8" Squ 2K 10%
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TT Electronics 474
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AUD 1.5728
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3362U-1-200RLF


Trimmer Resistors - Through Hole 1/4IN SQ 20 OHMS 10% 0.5WATTS
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Bourns 474
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AUD 1.5135
Multiples of: 1

3361S-1-254GLF


Trimmer Resistors - SMD 1/4" SQ 250K 10% 0.5WATTS
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Bourns 474
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AUD 1.8846
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3352P-1-102LF


Trimmer Resistors - Through Hole 3/8"round 1Kohms 0.5watt 20%
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Bourns 474
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AUD 2.594
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3352E-1-503LF


Trimmer Resistors - Through Hole 3/8"round 50Kohms 0.5watt 20%
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Bourns 474
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AUD 2.5254
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PC16SH-07IP06-103A2020


PC-16 Series 16 mm Horizontal 10 kOhm Through-Hole 20 % Carbon Potentiometer
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Amphenol 474
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AUD 3
Multiples of: 1

PT10LV10-225A3030


Trimmer Resistors - Through Hole 2.2Mohms 10mm Rnd Top adj
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Amphenol 473
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AUD 0.575
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TS63Y504KT20


Vishay Sfernice Trimmer Resistors - SMD 14" SQ 500K
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Vishay 459
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AUD 4.3672
Multiples of: 1

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