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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R16148D-1A-2-B1K


Potentiometer: shaft; single turn; 1kO; 125mW; ±20%; THT; 6mm; metal
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SR Passives 939
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AUD 0.3178
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PT15LH06-202A2020


Trimmer Resistors - Through Hole 2Kohms 15mm Rnd
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Amphenol 939
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AUD 0.7635
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3314R-1-502E


Trimmer Resistors - SMD 4mm SQ 5K
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Bourns 939
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AUD 1.6727
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PTA3043-2010CIB104


Bourns Slide Potentiometers 10mm Shaft 100K Ohms Sgl Gang Ins Lev Lin
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Bourns 938
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AUD 1.3322
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PT01-D120D-B502


Precision Potentiometers rotary potentiometer single channel horiz 20mm D-cut linear taper 5K ohm
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Same Sky 937
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AUD 0.8865
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PDB241-E430P-253B0


Bourns Potentiometers 30MM SHAFT 25KOHMS KNURLED NO DET
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Bourns 937
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AUD 1.8857
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450T328S502A1A1


Potentiometers 5000 Ohm +/-10% 24mm Dia. Slotted
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CTS 937
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AUD 3.8762
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M43P103KB40


10 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 18.0 Turn Side Adjustment
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Vishay 937
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AUD 4.0333
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RV121SF-30-009J-A50K-00K


Potentiometers 12mm Audio 50K W/SW
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Alpha Taiwan 937
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AUD 2.2115
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PT10LH01-501A2020-S


Trimmer Resistors - Through Hole 500ohms 10mm Rnd Side adj Steel lead
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Amphenol 840
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AUD 0.3337
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