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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Bourns 679
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AUD 1.0159
Multiples of: 100

PTV111-4420A-B105


Bourns Potentiometers 1M LINEAR 20%
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Bourns 679
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AUD 1.2379
Multiples of: 1

3386F-1-501LF


Trimmer Resistors - Through Hole 3/8" 500ohms 10% 0.5Watts Square
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Bourns 679
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AUD 1.3571
Multiples of: 100

PV36W203C01B00


Trimmer Resistors - Through Hole 20Kohms 10mm Square 25turn
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Bourns 679
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AUD 1.5377
Multiples of: 100

3386X-1-103


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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Bourns 679
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AUD 1.6865
Multiples of: 100

RA4543F-20-15D1-B10K-01


Slide Potentiometers 45mm TravelLinear10K PC Mount
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Alpha Taiwan 679
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AUD 1.7286
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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Bourns 679
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AUD 1.9008
Multiples of: 100

3361P-1-201G


Trimmer Resistors - SMD 1/4" SQ 200ohm 10% 0.5WATTS
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Bourns 679
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AUD 2.554
Multiples of: 700

3312J-1-100E


Trimmer Resistors - SMD 10ohm 2mm Single Turn Sealed
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Bourns 679
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AUD 2.2222
Multiples of: 250

3386F-1-104TLF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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Bourns 679
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AUD 2.2222
Multiples of: 100

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