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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3386F-1-500LF


Trimmer Resistors - Through Hole 3/8" 50ohms 10% 0.5Watts Square
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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 : 679
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USD 0.64

Multiples of: 100

PTV111-4420A-B105


Bourns Potentiometers 1M 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 : 679
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USD 0.7799

Multiples of: 1

3386F-1-501LF


Trimmer Resistors - Through Hole 3/8" 500ohms 10% 0.5Watts Square
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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 : 679
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USD 0.855

Multiples of: 100

PV36W203C01B00


Trimmer Resistors - Through Hole 20Kohms 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.

Bourns Availability : 679
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USD 0.9688

Multiples of: 100

3386X-1-103


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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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 : 679
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USD 1.0625

Multiples of: 100

RA4543F-20-15D1-B10K-01


Slide Potentiometers 45mm TravelLinear10K PC Mount
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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.

Alpha Taiwan Availability : 679
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USD 1.089

Multiples of: 1

PDB241-E420K-103B0


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.5W, 1/2W Solder Lug
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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 : 679
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USD 1.2875

Multiples of: 100

3361P-1-201G


Trimmer Resistors - SMD 1/4" SQ 200ohm 10% 0.5WATTS
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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 : 679
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USD 1.2875

Multiples of: 750

3312J-1-100E


Trimmer Resistors - SMD 10ohm 2mm 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.

Bourns Availability : 679
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USD 1.4

Multiples of: 250

3386F-1-104TLF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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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 : 679
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USD 1.4

Multiples of: 100

RV170SF-10-15R1-B1M


Potentiometers Linear 1MEG
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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.

Alpha Taiwan Availability : 679
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USD 1.408

Multiples of: 1

72XTR100KLF


Trimmer Resistors - Through Hole 1/2W 100K Ohms 10% SINGLE TURN
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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 : 679
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USD 1.5879

Multiples of: 100

PTV09A-3020F-B104


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 100 kohms 20 mm
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Bourns Availability : 678
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USD 0.4752

Multiples of: 1

CT-6EP500


Trimmer Resistors - Through Hole 50 W 6mm sq. single turn top adj, std type
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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 : 678
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USD 0.6018

Multiples of: 1

RV110F-40E1-15A-B10K-0068


Potentiometers 11mm Linear 10K Flat Shaft
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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.

Alpha Taiwan Availability : 678
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USD 0.968

Multiples of: 1

68WR1KLF


Trimmer Resistors - Through Hole 3/8" Squ 1K 10%
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TT Electronics Availability : 678
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USD 1.0439

Multiples of: 1

84WR10KLFTR


BI Technologies TT Electronics Trimmer Resistors - SMD 14W 10K Ohms 10% MULTI TURN
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TT Electronics Availability : 678
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USD 1.529

Multiples of: 1

3224J-1-101E


Trimmer Resistors - SMD 4mm 100 OHMS 10% Square Cermet 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.

Bourns Availability : 678
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USD 2.134

Multiples of: 1

287T328S202A11


Potentiometers 24mm Rotary Potentiometer
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CTS Availability : 678
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USD 13.1209

Multiples of: 1

PTL45-15O0-104B2


Slide Potentiometers 100Kohms Travel=45mm
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Bourns Availability : 677
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USD 1.4378

Multiples of: 1

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