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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PTV111-3420A-A103


Bourns Potentiometers PANEL CONTROL
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Bourns 776
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AUD 0.9683
Multiples of: 100

3386F-1-205LF


Trimmer Resistors - Through Hole 3/8" 2Mohms 10% 0.5Watts Square
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Bourns 776
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AUD 0.9462
Multiples of: 100

3386F-1-255LF


TRIMMER - 3/8in SQ ST CERME
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Bourns 776
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AUD 1.2851
Multiples of: 1

3362X-1-203


Trimmer Resistors - Through Hole 1/4"SQ 20KOHMS 10% 0.5WATTS
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Bourns 776
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AUD 1.3549
Multiples of: 1

3314S-3-201E


Trimmer Resistors - SMD 4MM SQ TRIMPOT 200uH ST CERMET SMD
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Bourns 776
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AUD 1.4496
Multiples of: 200

RV170F-10-20K-B10K-3021


Potentiometers Linear Knurled 10K
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Alpha Taiwan 776
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AUD 1.4254
Multiples of: 1

3296W-1-303LF


Trimmer Resistors - Through Hole 3/8" 30Kohms Sealed Vertical Adjust
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Bourns 776
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AUD 1.4063
Multiples of: 100

PV36X103C01B00


Trimmer Resistors - Through Hole 10K Ohm 10% 1/2W
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Bourns 776
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AUD 1.4696
Multiples of: 100

3386X-1-103TLF


Trimmer Resistors - Through Hole 3/8" 10Kohms 10% 0.5Watts Square
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Bourns 776
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AUD 1.5608
Multiples of: 100

RV24AF-40-15R1-A25K-3LA


Potentiometers Audio 25K Ohm Vert Angle PC Mount
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Alpha Taiwan 774
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AUD 1.1786
Multiples of: 1

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