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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PDA241-HRT02-254A2


Bourns Potentiometers 250Kohms Plain Shaft HIGH
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Bourns 187
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AUD 3.3698
Multiples of: 1

3006Y-1-200


Trimmer Resistors - Through Hole 20ohm 3/4" 10% Sealed Mutlti Turn
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Bourns 187
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AUD 4.127
Multiples of: 100

T7RYA502KT20


Trimmer Resistors - Through Hole 1/4" ROUND 502
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Vishay 187
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AUD 4.92
Multiples of: 1

3310C-125-503L


Potentiometers 9mm 50Kohms Single Cup
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Bourns 187
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AUD 6.16
Multiples of: 1

3329W-1-202


Trimmer Resistors - Through Hole 1/4"RND 2KOHMS 10% 0.5WATTS
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Bourns 187
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AUD 6.9038
Multiples of: 1

3386T-1-104LF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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Bourns 186
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AUD 1.2275
Multiples of: 1

T93XB204KT20


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 23.0 Turn Side Adjustment
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Vishay 186
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AUD 1.416
Multiples of: 1

3386G-1-104LF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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Bourns 186
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AUD 1.437
Multiples of: 1

RV16AF-10-15R1-B5K-0DLA


Potentiometers Linear B5K Solder Lugs
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Alpha Taiwan 186
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AUD 1.4492
Multiples of: 1

RV112BCF-40-25A-B50K


Potentiometers 11mm Linear 50K Dual Unit-Vert PC MT
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Alpha Taiwan 186
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AUD 1.7286
Multiples of: 1

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