About Potentiometers, Trimmers & Rheostats

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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Hot 3296P-1-203LF


Trimmer Resistors - Through Hole 3/8" 20Kohms Sealed Horizontal Adjust
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Bourns Availability : 1836
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USD 0.652

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PV36Y254C01B00


Trimmer Resistors - Through Hole 250Kohms 10mm Square 25turn
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Bourns Availability : 1836
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USD 0.7924

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Hot 3314J-1-205E


2 MOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns Availability : 1835
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USD 0.4328

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3386X-1-252LF


Trimmer Resistors - Through Hole 3/8" 2.5Kohms 10% 0.5Watts Square
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Bourns Availability : 1835
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USD 0.731

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PT10LH01-202A2020


Trimmer Resistors - Through Hole 2Kohms 10mm Rnd Side adj
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Amphenol Availability : 1834
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USD 0.3029

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P120PK-Y20BR20K


Potentiometers 12mm Rotary Panel Potentiometer
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TT Electronics Availability : 1833
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USD 0.7087

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RK09K12C0A19


Potentiometers 10 KOhms 30%
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ALPS Availability : 1833
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USD 1.5237

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3386P-1-251LF


Bourns Trimmer Resistors - Through Hole 38IN 250 OHMS 10% 0.5Watts Square
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Bourns Availability : 1831
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USD 0.651

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PDB181-E415F-104A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns Availability : 1829
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USD 0.9207

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PT15LH06-101A2020-S


Trimmer Resistors - Through Hole 100ohms 15mm Rnd Steel Leads
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Amphenol Availability : 1828
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USD 0.4119

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PT15NV24224A2020E


Trimmer Resistors - Through Hole 220Kohms 15mm Rnd Carbon
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Amphenol Availability : 1827
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USD 0.4279

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3306P-1-254


Trimmer Resistors - Through Hole 250K 25% 6mm Single Turn
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Bourns Availability : 1826
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USD 0.22

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PTN10-E02SB10


Precision Potentiometers 10mm horizontal 2K ohm screwdriver rotor linear 10% tolerance
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CUI Devices Availability : 1826
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USD 0.3465

Multiples of: 1

PT10MH01-104A2020-P10-S


Trimmer Resistors - Through Hole 10mm carbon through hole potentiometer Horizontal adjustment resistive value 1M Ohm linear taper tolerance 20% 10-detents
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Amphenol Availability : 1825
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USD 0.378

Multiples of: 1

PVG5A104C03R00


100 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Murata Availability : 1825
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USD 1.426

Multiples of: 1

PT15NH01-103A2020-S


Trimmer Resistors - Through Hole 10K ohm +-20%
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Amphenol Availability : 1824
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USD 0.4119

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PT15LV18-104A2020


Trimmer Resistors - Through Hole 100Kohms 15mm Rnd
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Amphenol Availability : 1823
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USD 0.4796

Multiples of: 1

ST-32ETG104


Trimmer Resistors - SMD 100 KW 3mm SMD single turn J-lead, side adj.
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Nidec Copal Availability : 1823
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USD 1.4296

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PT15LV18-355A3030


Trimmer Resistors - Through Hole 3.5Mohms 15mm Rnd
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Amphenol Availability : 1820
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USD 0.4609

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Hot 3313J-1-502E


5 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns Availability : 1813
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USD 0.4177

Multiples of: 1

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