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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3329W-1-101LF


Trimmer Resistors - Through Hole 1/4"RND 100OHMS 10% 0.5WATTS
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Bourns 155
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AUD 3.0373
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PDA241-SRT00-254A2


250k Ohm 1 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Carbon 0.25W, 1/4W Solder Lug
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Bourns 155
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AUD 4.2817
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PTD908-1020K-B503


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 155
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AUD 5.7463
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M63P501KB40


Trimmer Resistors - Through Hole 3/8"SQ 500ohms 10% Single Turn Cermet
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Vishay 155
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AUD 7.1582
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ASE2D-RA


Switch Slide ON ON DPDT Side Slide 0.05A 48VAC 48VDC 0.4VA 60000Cycles PC Pins Bracket Mount/Through Hole
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Knitter-Switch 155
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AUD 9.0795
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PTD908-2015K-C503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON
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Bourns 153
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AUD 5.7299
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RJ26FX103


Bourns Trimmer Resistors - Through Hole 10K 14" 10% MultiTurn Cermet
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Bourns 135
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AUD 7.2239
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1624176-1


Potentiometers 10 KOhm 0.4W Carbon
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TE Connectivity 77
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AUD 7.1642
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PT15-N-V-503(50K)


±20% 250mW 50kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 38
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AUD 0.2299
Multiples of: 5

3223W-1-503


Trimmer Resistors - SMD 50K OHM 3mm 20%
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Bourns 0
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AUD 3.1851
Multiples of: 1

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