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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CA14NV12,5-100KA2020


Potentiometer: mounting; single turn, horizontal; 100kO; 250mW
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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 : 2553
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USD 0.1988

Multiples of: 1

P170SP1-FC15AR10K


BI Technologies TT Electronics Potentiometers 120W 10K Ohms 20% 17mm ROTARY POT
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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 : 2551
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USD 1.259

Multiples of: 1

T910Z-500R


Potentiometer: mounting; multiturn; 500O; 500mW; THT; ±10%; linear
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SR Passives Availability : 2549
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USD 0.196

Multiples of: 1

35WR200LFTR


Trimmer Resistors - SMD 3mm 200 Open Type Trimmer
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TT Electronics Availability : 2549
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USD 0.2775

Multiples of: 1

PV36W204C01B00


Trimmer Resistors - Through Hole 200Kohms 10mm Square 25turn
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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 : 2539
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USD 0.8676

Multiples of: 1

P160KN-0QC15B10K


Potentiometers 16mm Rotary Panel Potentiometer
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TT Electronics Availability : 2539
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USD 0.99

Multiples of: 1

G32BT-B502


Potentiometer: mounting; single turn; 5kΩ; 125mW; 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 : 2537
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USD 0.343

Multiples of: 1

SM-42TA203


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Nidec Copal Availability : 2534
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USD 2.0247

Multiples of: 1

Hot 3313J-1-101E


100 Ohms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns Availability : 2511
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USD 0.4537

Multiples of: 1

PT15LV18-253A2020-S


Trimmer Resistors - Through Hole 25Kohms 15mm Rnd Steel Leads
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Amphenol Availability : 2505
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USD 0.3938

Multiples of: 1

PT6KH-102A2020


Trimmer Resistors - Through Hole 1Kohms 6mm Rnd Side adj
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Amphenol Availability : 2502
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USD 0.217

Multiples of: 1

P090L-02F25BR10K


BI Technologies TT Electronics Potentiometers 9mm 10Kohm
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TT Electronics Availability : 2495
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USD 0.7007

Multiples of: 1

CT-94EX103


Trimmer Resistors - Through Hole 10 KW 9mm sq. multi turn side adj, in-line pins
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Nidec Copal Availability : 2489
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USD 1.0517

Multiples of: 1

SM-43TW104


100 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 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.

Nidec Copal Availability : 2487
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USD 2.0538

Multiples of: 1

PT10LV10-503A2020


Trimmer Resistors - Through Hole 50Kohms 10mm Rnd Top adj
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Amphenol Availability : 2483
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USD 0.3622

Multiples of: 1

ST-32ETA202


2 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 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.

Nidec Copal Availability : 2465
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USD 0.7801

Multiples of: 1

PT10LV10-504A2020


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd Top adj
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Amphenol Availability : 2462
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USD 0.3622

Multiples of: 1

PTV09A-2025F-B103


Potentiometers 10K 20% 9mm Linear Snap In
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Bourns Availability : 2462
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USD 0.4268

Multiples of: 1

3214X-1-103E


10 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns Availability : 2297
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USD 1.408

Multiples of: 1

Hot 3224W-1-503E


Trimmer Resistors - SMD 4mm 50Kohms 10% Square Cermet Sealed
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Bourns Availability : 1776
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USD 0.8563

Multiples of: 1

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