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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PT01-D120D-B203


Precision Potentiometers rotary potentiometer single channel horiz 20mm D-cut linear taper 20K ohm
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Same Sky 916
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AUD 0.6827
Multiples of: 1

RK09K111009J


Potentiometers Horizontal type (H=6.5mm) / Single-unit / 10k ohm, 1B / LM1=15mm (Flat Shaft) / 280 Deg. Rot. With Center Detent
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ALPS 916
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AUD 0.8932
Multiples of: 1

RS30111AC00V


Slide Potentiometers 10 KOhms 20% THT W/ SNAP-IN MNT
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ALPS 916
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AUD 0.9921
Multiples of: 25

RV16AF-10-15R1-A10K


Potentiometers AUDIO 10K 15MM SHAFT SOLDER LUGS
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Alpha Taiwan 916
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AUD 1.1698
Multiples of: 1

PTD901-2215K-B103


Bourns Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 916
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AUD 1.8683
Multiples of: 1

RA6020F-10-20D1-B250K


Slide Potentiometers 60mm Linear 250K
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Alpha Taiwan 916
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AUD 2.427
Multiples of: 1

RV09AF-40-20K-A500K


Potentiometers Audio 9mm 500K
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Alpha Taiwan 915
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AUD 0.7857
Multiples of: 1

ST-4ETB204


200 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 915
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AUD 1.287
Multiples of: 1

PTA4543-2015CPB104


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 915
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AUD 1.5383
Multiples of: 1

PT10LV10-471A2020-PM-S


Trimmer Resistors - Through Hole
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Amphenol 896
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AUD 0.4867
Multiples of: 1

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