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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T64H-1K


Potentiometer: mounting; single turn; 1kO; 500mW; ±20%; -55÷125°C
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SR Passives 493
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AUD 0.7822
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PDB181-P415P-103B


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 493
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AUD 1.1279
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P160KNP-0FC20B500


Potentiometers
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TT Electronics 493
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AUD 1.4963
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3224G-1-101E


Trimmer Resistors - SMD 4mm 100ohms 10% Square Cermet Sealed
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Bourns 493
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AUD 3.3873
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RV120F-10-15F-A10K


Potentiometers Audio D-Shaft 10K
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Alpha Taiwan 492
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AUD 1.4143
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RA2045F-20A-15LC-B100K-C


Slide Potentiometers 20mm TVL LINEAR 100K AMBER LED PC MOUNT
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Alpha Taiwan 492
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AUD 2.4968
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3352E-1-102LF


Trimmer Resistors - Through Hole 3/8"round 1Kohms 0.5watt 20%
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Bourns 492
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AUD 3.5913
Multiples of: 100

026TB32R500B1A1


50 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 491
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AUD 4.854
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WH06-2C-504(500K)


25% 100mW 500k Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 491
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AUD 0.0634
Multiples of: 10

PT10LV10-101A2020-PM-S


PT10 Series 10 mm 100 Ohm 20 % 0.15 W Carbon Potentiometer
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Amphenol 491
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AUD 0.4889
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