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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3386P-1-103TLF


10 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 3704
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AUD 1.8926
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PTC10LH01-203A2020


Trimmer Resistors - Through Hole 20Kohms 10mm Rnd
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Amphenol 1752
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AUD 1.2308
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84PR100KLF


BI Technologies TT Electronics Trimmer Resistors - SMD 14" Squ 100K 10%
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TT Electronics 1752
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AUD 2.9279
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PT15NV18-504A2020


Trimmer Resistors - Through Hole 500Kohms 15mm Rnd
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Amphenol 1750
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AUD 0.9287
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PT10LV10-251A2020


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Top adj
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Amphenol 1746
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AUD 0.575
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3314J-1-473E


Trimmer Resistors - SMD 4mm SQ 47K
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Bourns 1745
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AUD 1.5
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RV09AF-20-20K-A14


Potentiometers Audio 9mm 10K
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Alpha Taiwan 1742
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AUD 0.7279
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RK09K1110077


Potentiometers Horizontal type (H=6.5mm) / Single-unit / 10k ohm, 1B / LM1=20mm (Knob Shaft) / 280 Deg. Rot./ With Center Detent
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ALPS 1739
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AUD 0.8259
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3386X-1-225LF


Trimmer Resistors - Through Hole 3/8" SQ TRIMPOT 2.2M ST SEALED CERMET
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Bourns 1736
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AUD 1.133
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72XR100KLF


Trimmer Resistors - Through Hole 3/8" Squ 100K 10%
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TT Electronics 1550
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AUD 2.0129
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