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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3252X-1-104M


Trimmer Resistors - Through Hole 100Kohms 1/2" Square Sealed Panel Mount
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Bourns 16
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AUD 34.4403
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3057Y-1-501


Trimmer Resistors - Through Hole 500ohms 5% 1 1/4" PC Mount
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Bourns 16
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AUD 40.3731
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6186R10KL1.0


Precision Potentiometers 10K ohm 10%
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TT Electronics 16
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AUD 44.8881
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3345P-1-203T


Trimmer Resistors - Through Hole 12" RND 20K
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Bourns 16
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AUD 57.3321
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157-21502


Precision Potentiometers 7/8"RD 5KOHMS Servo 2% Linearity
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Vishay 16
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AUD 68.5119
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FVR25W-50R


Potentiometer: shaft; single turn; 50O; 25W; ±10%; 6mm; wirewound
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SR Passives 16
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AUD 68.4955
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3121205912


Potentiometers 2kV 4.7Ohm-4.7kOhms 49x53mm 60W
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Kyocera AVX 16
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AUD 69.2308
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PE30L0FL103MAB


Potentiometers 3watts 10Kohms 20% 25mm slotted
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Vishay 15
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AUD 39.5015
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RV4NAYSD252A


Potentiometers 2.5K ohm 10% 28.45mm
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ETI Systems 12
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AUD 38.1881
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3250W-1-103


Trimmer Resistors - Through Hole 10Kohms 5% Square Sealed
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Bourns 4
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AUD 55.9701
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