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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3009P-1-204


Trimmer Resistors - Through Hole 200Kohms 10% 3/4inch rectangular
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Bourns 91
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AUD 4.7667
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3269X-1-104LF


100 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 91
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AUD 3.9286
Multiples of: 1

3339H-1-504LF


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Top Adjustment
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Bourns 91
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AUD 4.3279
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91A1A-B28-B12L


Potentiometers 2.5K 20% 5/8" SQ ST
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Bourns 91
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AUD 6.5651
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3339W-1-201LF


Trimmer Resistors - Through Hole 516" TRIMPOT 200uH RND 4TURN CERMET
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Bourns 91
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AUD 8
Multiples of: 1

3310H-001-502L


5k Ohm 2 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 91
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AUD 9.619
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3292W-1-102LF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 91
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AUD 12.8683
Multiples of: 1

3252W-1-102LF


1 kOhms 0.75W, 3/4W PC Pins Chassis Mount Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 91
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AUD 13.0603
Multiples of: 1

3269W-1-102GLF


Trimmer Resistors - SMD 1/4" 1Kohms 10% Vertical Adjust
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Bourns 78
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AUD 3.8063
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3339W-1-502LF


5 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Side Adjustment
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AUD 1.3937
Multiples of: 1

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