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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3329H-1-303LF


Trimmer Resistors - Through Hole 1/4" RD TRIMPOT 30K ST CERMET
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Bourns 172
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AUD 4.2308
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RJR26FX203R


Bourns Trimmer Resistors - Through Hole 100ppm 20Kohms 12 TURNS NOM.
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Bourns 172
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AUD 11.5595
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73JA200


Precision Potentiometers 200 Ohm 5% 10 Turn 6.35mm
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Honeywell 172
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AUD 101.5476
Multiples of: 1

3386U-1-103LF


Bourns Trimmer Resistors - Through Hole 38" 10Kohms 10% 0.5Watts Square
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Bourns 171
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AUD 1.2729
Multiples of: 1

89PR1MEGLF


Trimmer Resistors - Through Hole 19MM 3/4" 15-TURN SEALED
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TT Electronics 171
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AUD 1.3357
Multiples of: 1

3386C-1-503LF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 171
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AUD 1.5697
Multiples of: 1

3009Y-1-102LF


1 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 171
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AUD 2.1825
Multiples of: 1

3386W-1-501


Trimmer Resistors - Through Hole 3/8"SQ 500OHMS 10% 0.5WATTS
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Bourns 171
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AUD 2.3
Multiples of: 1

3299Y-1-104


Trimmer Resistors - Through Hole 100Kohms Standoffs Vertical Adjust 3/8"
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Bourns 171
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AUD 3.8238
Multiples of: 1

53ABD-B20-D15/D15L


Potentiometers 1/2" 1TURN 10K/10K SQ PANEL CONTROL
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Bourns 166
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AUD 11.5413
Multiples of: 1

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