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 3314J-1-203E


Trimmer Resistors - SMD 20K 20% 4MM SQ SMT SINGLETURN
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Bourns Availability : 2843
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USD 0.3291

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PVG5H201C03R00


200 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Murata Availability : 1665
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USD 1.5618

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R16148-1B-2-B5K


Potentiometer: shaft; single turn; 5kO; 125mW; ±20%; THT; 6mm; metal
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SR Passives Availability : 1664
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USD 0.4018

Multiples of: 1

PV36W503C01B00


Trimmer Resistors - Through Hole 50K 10%
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Murata Availability : 1663
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USD 0.8206

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PTC10LV10-105A2020


Trimmer Resistors - Through Hole 1M ohm
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Amphenol Availability : 1661
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USD 0.7754

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PT15WV18-472A2020-02NE


Trimmer Resistors - Through Hole SHAFT MOUNTED IN POTI AND
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Amphenol Availability : 1658
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USD 0.7257

Multiples of: 1

R16148D-1A-2-B10K


Potentiometer: shaft; single turn; 10kO; 125mW; ±20%; THT; 6mm
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SR Passives Availability : 1656
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USD 0.2002

Multiples of: 1

R16148-1B-2-B2K2


Potentiometer: shaft; single turn; 2.2kO; 125mW; ±20%; THT; 6mm
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SR Passives Availability : 1654
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USD 0.3836

Multiples of: 1

R16148-1A-2-B22K


Potentiometer: shaft; single turn; 22kO; 125mW; ±20%; THT; 6mm
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SR Passives Availability : 1653
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USD 0.2002

Multiples of: 1

RD901F-20-15R1-B14


Potentiometers 9mm Linear10K PC Mount
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Alpha Taiwan Availability : 1651
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USD 1.9665

Multiples of: 1

PVG3K103C01R00


Trimmer Resistors - SMD TRIMMER - SMD 3MM SQ ST CERMET K-WING
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Bourns Availability : 1649
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USD 1.5144

Multiples of: 1

PV37X103C01B00


TRIMMER-1/4in SQ MT CERMET
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Bourns Availability : 1649
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USD 1.8164

Multiples of: 100

P140KV1-F20AR50K


Potentiometers 14mm Rotary Panel Potentiometer
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TT Electronics Availability : 1645
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USD 0.8554

Multiples of: 1

P160KNP-0QC20A25K


BI Technologies TT Electronics Potentiometers 110W 25K Ohms 20% 16mm ROTARY POT
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TT Electronics Availability : 1642
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USD 0.4991

Multiples of: 1

PT6KV-104A2020-E


Trimmer Resistors - Through Hole 6mm carbon through hole potentiometer, Vertical adjust, 100K Ohm resistive value, Linear taper, tolerance 20%, extended life, screwdriver adjust
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Amphenol Availability : 1641
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USD 0.3489

Multiples of: 1

PTC10MV10-224A2020


Piher Trimmer Resistors - Through Hole 220Kohms 10mm Rnd 20%
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Amphenol Availability : 1641
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USD 0.7754

Multiples of: 1

RKT6V-1K


Potentiometer: mounting; single turn, horizontal; 1kO; 100mW; ±30%
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SR Passives Availability : 1639
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USD 0.0626

Multiples of: 10

PT10LV05-202A2020E


Trimmer Resistors - Through Hole 2Kohms 10mm Rnd Top adj
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Amphenol Availability : 1637
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USD 0.3877

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3313J-2-102E


Trimmer Resistors - SMD 3MM TRIM POT 1K SMD SEALED
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Bourns Availability : 1566
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USD 0.8041

Multiples of: 1

3296W-1-252LF


Trimmer Resistors - Through Hole 3/8" 2.5Kohms Sealed Vertical Adjust
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Bourns Availability : 1435
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USD 1.0945

Multiples of: 1

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