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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RK14K1220012


Potentiometers Horizontal type / Dual-unit (for Tone) / 10k ohm, 1B / LM1=22.5mm / With Bushing / With Center Detent
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ALPS 579
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AUD 1.1531
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PDB182-K425P-103A


Potentiometers 10Kohm 20% 17mm Rotary Pot
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Bourns 579
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AUD 1.9381
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3329P-1-503LF


Trimmer Resistors - Through Hole 1/4"RND 50KOHMS 10% 0.5WATTS
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Bourns 579
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AUD 2.2
Multiples of: 1

3306W-1-253


Res Cermet Trimmer 25K Ohm 25% 0.2W(1/5W) 1(Elec)/1(Mech)Turn (6.81 X 8.4mm) Pin Thru-Hole Bag
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Bourns 578
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AUD 0.3492
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PT15LV18-503A2020


Trimmer Resistors - Through Hole 50Kohms 15mm Rnd
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Amphenol 578
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AUD 0.7635
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67WR100LF


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Top Adjustment
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TT Electronics 578
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AUD 1.547
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3386F-1-502TLF


Trimmer Resistors - Through Hole 3/8" 5Kohms 10% 0.5Watts Square
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Bourns 578
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AUD 1.8683
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PT15LH05-104A2020-S


Potentiometer: mounting; single turn, vertical; 100kO; 250mW; ±30%
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Amphenol 577
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AUD 0.5444
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PDB181-K420K-503A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 577
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AUD 1.1402
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3361S-1-201GLF


Trimmer Resistors - SMD 1/4" SQ 200ohm 10% 0.5WATTS
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Bourns 577
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AUD 1.1792
Multiples of: 1

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