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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3386P-1-252LF


Bourns Trimmer Resistors - Through Hole 38" 2.5Kohms 10% 0.5Watts Square
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Bourns 393
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AUD 1.0387
Multiples of: 1

3296Z-1-501LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 333
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AUD 1.806
Multiples of: 1

T18501KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 500
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Vishay 332
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AUD 2.0522
Multiples of: 1

PTL30-15O1-503B2


Bourns Slide Potentiometers 50Kohms Travel=30mm Center Detent
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Bourns 332
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AUD 2.8846
Multiples of: 1

3362R-1-102LF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 330
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AUD 0.9604
Multiples of: 1

PDB181-A420K-503A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 327
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AUD 1.2051
Multiples of: 1

PTL45-15R0-103B2


Slide Potentiometers 10Kohms Travel=45mm
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Bourns 192
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AUD 2.003
Multiples of: 1

TS63Y203KT20


Vishay Sfernice Trimmer Resistors - SMD 14" SQ 20K
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Vishay 168
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AUD 3.891
Multiples of: 1

RV16AF-10-15S1-A1M-LA


Potentiometers Audio Screwdrivr 1M Solder Lugs
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Alpha Taiwan 121
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AUD 1.1
Multiples of: 1

T93YA501KT20


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 0
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AUD 1.4724
Multiples of: 500

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