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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PVG5H503C03R00


50 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Murata 282
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AUD 2.4791
Multiples of: 500

PTL45-15G0-105B2


Slide Potentiometers 1Mohms Travel=45mm
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Bourns 282
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AUD 4.28
Multiples of: 1

3386P-1-502TLF


Trimmer Resistors - Through Hole 3/8" 5Kohms 10% 0.5Watts Square
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Bourns 281
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AUD 1.8683
Multiples of: 1

3214X-1-201E


Trimmer Resistors - SMD 4MM SQ 200OHMS 10% 5TURN
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Bourns 281
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AUD 2.0952
Multiples of: 1

PVG5A102C03B00


Trimmer Resistors - SMD 1Kohms 5mm 11turn Top Adjust
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Murata 281
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AUD 2.6365
Multiples of: 1

3329W-1-102LF


Trimmer Resistors - Through Hole 1/4"RND 1KOHMS 10% 0.5WATTS
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Bourns 281
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AUD 2.881
Multiples of: 1

53RAA-R25-A08L


Potentiometers 1/2" 1TRN 500ohm 10% SQ PANEL CONTROL
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Bourns 281
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AUD 8.4615
Multiples of: 1

3590S-1-103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 281
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AUD 15.8889
Multiples of: 1

Hot 3296X-1-205LF


Trimmer Resistors - Through Hole 3/8" 2Mohms Sealed Horizontal Adjust
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Bourns 271
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AUD 0.7367
Multiples of: 1

3296X-1-105LF


1 MOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 246
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AUD 0.9244
Multiples of: 1

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