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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PTL45-15O0-104B1


Slide Potentiometers 100K LINEAR 20%
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Bourns 162
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AUD 2.004
Multiples of: 60

3329H-1-221LF


Trimmer Resistors - Through Hole 1/4" TRIMPOT 220uH RND ST CERMET
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Bourns 162
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AUD 2.2
Multiples of: 1

3386X-1-254TLF


Trimmer Resistors - Through Hole 38" 250Kohms 10% 0.5Watts Square
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Bourns 162
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AUD 2.3269
Multiples of: 1

3329S-1-503LF


Bourns Trimmer Resistors - Through Hole 14" RD TRIMPOT 50K ST CERMET
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Bourns 162
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AUD 3.0295
Multiples of: 1

M63S102KB40


Trimmer Resistors - Through Hole 3/8"SQ 1Kohms 10% Single Turn Cermet
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Vishay 162
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AUD 5.2115
Multiples of: 1

P10XXAI102KB30


Potentiometers P10 XX R 1K 10% BO e3
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Vishay 162
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AUD 14.8969
Multiples of: 1

MW22B-10-1K


Precision Potentiometers 2W 1Kohms 5%
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ETI Systems 162
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AUD 41.241
Multiples of: 1

3314G-2-500E


Bourns Trimmer Resistors - SMD 4mm SQ 50ohm
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Bourns 161
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AUD 1.2155
Multiples of: 1

72PR10KLF


Trimmer Resistors - Through Hole 3/8" Squ 10K 10%
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TT Electronics 161
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AUD 1.3651
Multiples of: 100

3386P-1-202TLF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 161
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AUD 1.8683
Multiples of: 1

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