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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89XR500LF


Trimmer Resistors - Through Hole 3/4" Rect 500 10% 20-turn
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TT Electronics 737
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AUD 2.5
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TS63Y253KT20


Vishay Sfernice Trimmer Resistors - SMD 14" SQ 25K
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Vishay 737
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AUD 4.3269
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RV16AF-10-15R1-B1K-3CLA


Potentiometers Linear B1K Solder Lugs
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Alpha Taiwan 734
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AUD 1.3043
Multiples of: 1

PDB12-M4251-102BF


Bourns Potentiometers 1K LINEAR 12MM
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Bourns 734
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AUD 0.9145
Multiples of: 1

TS4YL503MR10


Trimmer Resistors - SMD 4mm GULL WING 50K
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Vishay 734
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AUD 1.4793
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RK12L12C0C0P


ALPS Potentiometers 12MM VADJ
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ALPS 733
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AUD 1.6336
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RV120F-10-15F-A1K-0075


Potentiometers Audio D-Shaft 1K
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Alpha Taiwan 732
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AUD 1.4457
Multiples of: 1

Hot RSA0N1219A03


Slide Potentiometers Lo-profile Dual Unit 100mm Travel
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ALPS 731
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AUD 10.2361
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RV09AF-40-20K-A16


Potentiometers Audio 9mm 1M
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Alpha Taiwan 729
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AUD 0.7388
Multiples of: 1

PT15LV02-253A2020-S


Potentiometer: mounting; single turn, horizontal; 25kO; 250mW
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Amphenol 684
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AUD 0.4732
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