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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3292L-1-202MLF


Trimmer Resistors - Through Hole 3/8" SQ MT CERMET TRIMMER
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Bourns 50
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AUD 31.9821
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P13NFK222MAB10E


Potentiometers 1.5watts 2.2Kohms 20% 6mm dia shaft
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Vishay 50
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AUD 49.2045
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3549H-1AA-102B


Precision Potentiometers PRECISION POT 1K .1% 7/8" 22MM DIA 10T
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Bourns 50
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AUD 51.2731
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3400S-1-201L


200 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 5W Solder Lug
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Bourns 50
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AUD 222.8567
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93PR-1-204


±10% 500mW 200kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 49
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AUD 1.4346
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3314Z-1-502E


Trimmer Resistors - SMD 4mm SQ 5K
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Bourns 49
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AUD 1.6188
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PV32P105A01B00


TRIMMER - 1/4in RD ST CERME
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Bourns 49
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AUD 2.8601
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PC24


Res POT 10K Ohm 20% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 4mm (50.5 X 24mm) Solder Lug Panel Mount
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Philmore 49
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AUD 4.0335
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78PR20LF


Trimmer Resistors - Through Hole 1W 20 Ohms 20% MULTI TURN
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TT Electronics 49
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AUD 5.2052
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1624151-2


Potentiometers 10 KOhm 0.4W Carbon
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TE Connectivity 49
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AUD 6.5672
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