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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3339P-1-202


Trimmer Resistors - Through Hole 2K 5/16" Rnd 4Turn Cermet
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Bourns 242
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AUD 6.6679
Multiples of: 50

6539S-1-502


Precision Potentiometers 5K 15%
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Bourns 70
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AUD 53.4075
Multiples of: 1

RK0972310C08


20% 50mW 10k Plugin Variable Resistors/Potentiometers ROHS
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ALPS 69
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AUD 1.4912
Multiples of: 1

68WR250KLF


Trimmer Resistors - Through Hole 3/8" Squ 250K 10%
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TT Electronics 69
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AUD 2.334
Multiples of: 1

3339H-1-500LF


Trimmer Resistors - Through Hole 516" TRIMPOT 50uH RND 4-TURN CERMET
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Bourns 69
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AUD 4.4985
Multiples of: 1

3339S-1-253LF


Trimmer Resistors - Through Hole 516" RD TRIMPOT 25K 4-TURN CERMET
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Bourns 69
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AUD 8
Multiples of: 1

3252W-1-103LF


10 kOhms 0.75W, 3/4W PC Pins Chassis Mount Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 69
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AUD 12.2806
Multiples of: 1

RV4NAYSB255B


Res Conductive Plastic POT 2.5M Ohm 20% 2W 1(Elec)/1(Mech)Turn 6.35mm (26.99 X 27.78 X 36.12mm) Solder Lug Panel Mount
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Honeywell 69
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AUD 13.3993
Multiples of: 1

3252W-1-504


Trimmer Resistors - Through Hole 500Kohms 1/2" Square Sealed Wire Leads
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Bourns 69
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AUD 18.0597
Multiples of: 1

PTR902-2015F-B102


Potentiometers PANEL CONTROL
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Bourns 68
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AUD 3.3164
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