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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82PR50KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" SINGLE-TURN SEALED
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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.

TT Electronics Availability : 2227
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USD 0.7363

Multiples of: 100

3006W-1-101LF


100 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side 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.

Bourns Availability : 2221
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USD 0.5157

Multiples of: 100

ST-4ETA203


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal Availability : 2215
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USD 0.738

Multiples of: 1

3296X-1-502


Precision Potentiometer 5KOhms ±10% ±250ppm/℃ Through Hole RoHS
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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.

Guosheng Availability : 2212
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USD 0.1037

Multiples of: 5

CA6H 2K5


Potentiometer: mounting; single turn, vertical; 2.5kO; 100mW; ±20%
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ACP Availability : 2211
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USD 0.1372

Multiples of: 10

R16148-1A-1-B500K


Potentiometer: shaft; single turn; 500kO; 125mW; ±20%; on cable
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SR Passives Availability : 2210
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USD 0.2016

Multiples of: 1

P160KNP-0QC20A500K


BI Technologies TT Electronics Potentiometers 16mm 500K ohm
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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.

TT Electronics Availability : 2205
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USD 0.9781

Multiples of: 1

TS4YL102MR10


Trimmer Resistors - SMD 4mm GULL WING 1K
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Vishay Availability : 2205
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USD 1.2236

Multiples of: 1

P170NPD-FB20BR100K


Potentiometers 17mm Rotary Panel Potentiometer
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TT Electronics Availability : 2204
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USD 1.1001

Multiples of: 1

3314J-1-503E


Trimmer Resistors - SMD 4mm SQ 50K
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Bourns Availability : 2203
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USD 0.7953

Multiples of: 1

PTL30-15R0-103B1


Bourns Slide Potentiometers 10K LINEAR 20%
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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.

Bourns Availability : 2196
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USD 1.254

Multiples of: 1

G43BT-B502


Potentiometer: mounting; single turn; 5kΩ; 250mW; SMD; ±20%; linear
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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.

Tocos Availability : 2193
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USD 0.3892

Multiples of: 1

PT10LV10-221A2020-S


Trimmer Resistors - Through Hole
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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.

Amphenol Availability : 2188
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USD 0.28

Multiples of: 1

M43P101KB40


100 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 18.0 Turn Side 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.

Vishay Availability : 2185
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USD 2.7513

Multiples of: 1

CA6V 250


Potentiometer: mounting; single turn, horizontal; 250O; 100mW
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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.

ACP Availability : 2182
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USD 0.1372

Multiples of: 10

PT10LV10-253A2020-S


Trimmer Resistors - Through Hole 25Kohms 10mm Rnd Top adj Steel Lead
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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.

Amphenol Availability : 2182
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USD 0.1834

Multiples of: 1

Hot PT6KV-104A2020-PM


Trimmer Resistors - Through Hole
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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.

Amphenol Availability : 2181
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USD 0.2562

Multiples of: 1

RK09L1140A66


ALPS Potentiometers 10 KOhms 20%
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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.

ALPS Availability : 2179
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USD 0.714

Multiples of: 1

VG039NCHXTB472


Variable Resistors ±25% ±250 ppm/°C SMD RoHS
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Hokuriku Availability : 2177
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USD 0.0517

Multiples of: 10

PT15LH06103A2020


Trimmer Resistors - Through Hole 10Kohms 15mm Rnd
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Amphenol Availability : 1964
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USD 0.4636

Multiples of: 200

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