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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3296W-1-103RLF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Vertical Adjust
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Bourns 3870
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AUD 2.3571
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1825261-2


Switch Slide DPDT Top Slide 20VAC 20VDC 0.4VA PC Pins Bracket Mount/Through Hole Tray
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TE Connectivity 3867
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AUD 2.2679
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PT15LV18-254A2020


Trimmer Resistors - Through Hole 250Kohms 15mm Rnd
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Amphenol 3858
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AUD 0.7635
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PT15NH06-102A2020-S


Trimmer Resistors - Through Hole 1Kohms 15mm Rnd Steel Leads
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Amphenol 3846
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AUD 0.7229
Multiples of: 1

P091N-QC15BR10K


Potentiometers 1/20W 10K Ohms 20% 9mm ROTARY POT
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TT Electronics 3836
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AUD 1.8071
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PTC10MV10-104A2020


Trimmer Resistors - Through Hole 10 mm - ceramic potentiometer tht
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Amphenol 3832
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AUD 1.2308
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3266X-1-103


Precision Potentiometer 10KOhms ±10% ±250ppm/℃ 3266X RoHS
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Guosheng 3831
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AUD 0.249
Multiples of: 5

3306W-1-103


Trimmer Resistors - Through Hole 10K 25% 6mm Single Turn
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Bourns 3742
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AUD 0.4117
Multiples of: 1

R16148-1A-2-B50K


Potentiometer: shaft; single turn; 50kO; 125mW; ±20%; THT; 6mm
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SR Passives 3729
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AUD 0.282
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3312J-1-203E


20 kOhms 0.1W, 1/10W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 95
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AUD 2.3257
Multiples of: 1

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