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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RV16AF-10-15R1-B250K


Potentiometers Linear B250K Solder Lugs
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Alpha Taiwan 554
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AUD 1.1698
Multiples of: 1

RV16AF-10-15K-A500K-3LA


Potentiometers Audio Knurled 500K Solder Lugs
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Alpha Taiwan 553
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AUD 1.1698
Multiples of: 1

PTA4553-2210CIB103


10 kOhms 0.25W, 1/4W Through Hole Slide Potentiometer Top Adjustment Type
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Bourns 553
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AUD 2.0952
Multiples of: 1

PTL20-15R1-503B2


Slide Potentiometers 50Kohms Travel=20mm Center Detent
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Bourns 553
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AUD 2.8269
Multiples of: 1

TSM4YL103KB25


Res Cermet Trimmer 10K Ohm 10% 0.25W(1/4W) 11(Elec)/13(Mech)Turn 1.5mm (4.8 X 5.1 X 5.3mm) Gull Wing SMD Bulk
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Vishay 553
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AUD 10.0067
Multiples of: 1

3362H-1-503LF


Trimmer Resistors - Through Hole 1/4"SQ 50KOHMS 10% 0.5WATTS
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Bourns 552
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AUD 1.3413
Multiples of: 25

3296X-1-225LF


Trimmer Resistors - Through Hole TRIMMER - 3/8" SQ MT CERMET
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Bourns 552
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AUD 1.6538
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93PR25KLF


25 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 541
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AUD 3.1254
Multiples of: 1

3214X-1-102E


Trimmer Resistors - SMD 4MM SQ 1KOHMS 10% 5TURN
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Bourns 519
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AUD 2.0952
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PS6KV50-503A3030-I-


TRIMMER, 50K, 0.1W, 1TURN
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Amphenol 362
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AUD 0.8267
Multiples of: 50

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