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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PDB181-E420K-503A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 436
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AUD 1.169
Multiples of: 1

3362U-1-102RLF


Trimmer Resistors - Through Hole 14"SQ 1KOHMS 10% 0.5WATTS
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Bourns 436
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AUD 1.3709
Multiples of: 1

3362F-1-502LF


Trimmer Resistors - Through Hole 1/4" SQ TRIMPOT 5K ST CERMET
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Bourns 436
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AUD 1.6978
Multiples of: 1

3296Z-1-100LF


Trimmer Resistors - Through Hole 3/8" 10ohms Sealed Horizontal Adjust
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Bourns 436
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AUD 1.7075
Multiples of: 1

3299W-1-200LF


Trimmer Resistors - Through Hole 20ohms Standoffs Vertical Adjust 3/8"
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Bourns 436
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AUD 2.1642
Multiples of: 100

3352H-1-504LF


Trimmer Resistors - Through Hole 3/8"round 500Kohms 0.5watt 20%
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Bourns 436
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AUD 3.153
Multiples of: 1

3362H-1-202LF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 434
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AUD 1.2428
Multiples of: 1

PDB182-K420K-504B


500k Ohm 2 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.125W, 1/8W PC Pins
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Bourns 431
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AUD 1.7731
Multiples of: 1

3361P-1-105


±10% 1MΩ SMD,6.9x7mm Variable Resistors/Potentiometers ROHS
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Guosheng 422
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AUD 0.8432
Multiples of: 1

3352W-1-105LF


1 MOhms 0.5W, 1/2W Through Hole Thumbwheel Potentiometer Side Adjustment
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Bourns 412
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AUD 2.594
Multiples of: 1

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