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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3006P-1-504LF


Trimmer Resistors - Through Hole 500K 3/4" 10% Sealed Multi Turn
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Bourns 129
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AUD 1.3693
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7286R10KL.1


Precision Potentiometers
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TT Electronics 28
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AUD 47.4806
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RV6LAYSA103A


Potentiometers 10K ohm 10% 12.95mm
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ETI Systems 28
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AUD 52.4716
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3121102600


Potentiometers 2kV 4.7Ohm-4.7kOhms 30x46mm 30W
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Kyocera AVX 28
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AUD 63.6923
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3121106825


Potentiometers 2kV 4.7Ohm-4.7kOhms 30x46mm 30W
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Kyocera AVX 28
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AUD 63.6923
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3121106600


Potentiometers 2kV 4.7Ohm-4.7kOhms 30x46mm 30W
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Kyocera AVX 28
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AUD 63.6923
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157-21102


Precision Potentiometers 7/8"RD 1KOHMS Servo Mount
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Vishay 28
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AUD 68.5119
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RT26C2X202


Trimmer Resistors - Through Hole 2K 1/4" 5% MultiTurn Sealed
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Bourns 28
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AUD 70.5784
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PSC10KV50-503A1010


TRIMMER, 50K, 0.33W, 1TURN
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Amphenol 27
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AUD 1.5797
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3314Z-1-104E


100 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 27
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AUD 1.6188
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