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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RTR22DP102M


Trimmer Resistors - Through Hole 50ppm 1Kohms 25 TURN NOM.
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Bourns 65
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AUD 92.7052
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3500S-1-102L


PRECISION POT-7/8 22MM DIA
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Bourns 65
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AUD 111.9543
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91WR10KLF


Trimmer Resistors - Through Hole 3/8inch 10K LEADFREE Thumbwheel
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TT Electronics 64
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AUD 1.7567
Multiples of: 1

3214W-1-503E


50 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 64
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AUD 2.0687
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3266X-1-101LF


Trimmer Resistors - Through Hole 1/4" 100ohms 10% SQ W/Standoff Sealed
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Bourns 64
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AUD 2.7746
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3339W-1-202LF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Side Adjustment
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Bourns 64
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AUD 6.5672
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3269W-1-204


Trimmer Resistors - SMD 1/4" 200Kohms 10% Vertical Adjust
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Bourns 64
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AUD 7.1154
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3059Y-1-100LF


Trimmer Resistors - Through Hole 10ohms 10% 1-1/4" PC Mount
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Bourns 64
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AUD 8.0612
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RSA0N11M9A0K


Slide Potentiometers Single Unit, 100mm Vrtcl W/Touch Sensor
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ALPS 64
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AUD 23.0014
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6639S-1-202


Precision Potentiometers 2K 15% Bushing Mnt
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Bourns 64
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AUD 23.1657
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