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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RV24AF-40-15R1-A1M-3


Potentiometers Audio 1M Ohm Vert Angle PC Mount
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Alpha Taiwan 117
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AUD 1.3095
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3386X-1-502TLF


Trimmer Resistors - Through Hole 3/8" 5Kohms 10% 0.5Watts Square
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Bourns 117
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AUD 1.8508
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3296X-1-202


Trimmer Resistors - Through Hole 3/8" 2Kohms Sealed Horizontal Adjust
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Bourns 117
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AUD 2.8984
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3223W-1-504


Trimmer Resistors - SMD 500K OHM 3mm 20%
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Bourns 117
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AUD 3.8269
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3266W-1-201


200 Ohms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 117
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AUD 4.0857
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3006P-1-101ZLF


Bourns Trimmer Resistors - Through Hole 100ohm 34" 10% Sealed Multi Turn
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Bourns 117
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AUD 6.1286
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3339P-1-102


Trimmer Resistors - Through Hole 1K 5/16" Rnd 4Turn Cermet
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Bourns 117
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AUD 6.9492
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3540S-1-101L


100 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 117
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AUD 32.9127
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X22205CAAF


Switch Slide DPDT Top Slide 16A 300VAC PC Pins Panel Mount/Through Hole
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Bulgin 116
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AUD 3.725
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M64X502KB40


5 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Side Adjustment
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Vishay 0
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AUD 2.5982
Multiples of: 1

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