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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Hot 3313J-1-500E


50 Ohms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1871
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AUD 0.9423
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PTL30-15G0-502B2


Slide Potentiometers 5Kohms Travel=30mm
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Bourns 1164
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AUD 2.373
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3339W-1-503LF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Side Adjustment
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Bourns 1164
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AUD 5.5714
Multiples of: 50

RK097122200G


Res POT 50K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (42.05 X 9.5 X 11.35mm) Pin Panel Mount/Through Hole
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ALPS 1164
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AUD 6.467
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72PR200KLF


BI Technologies Trimmer Resistors - Through Hole 38" Squ 20K 10%
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TT Electronics 1163
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AUD 2.0304
Multiples of: 100

3296X-1-501RLF


Trimmer Resistors - Through Hole 1/2W 500ohm 10% Square Trimpot
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Bourns 1163
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AUD 3.0577
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450T328S502A1C1


5k Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Carbon 0.5W, 1/2W Solder Lug
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CTS 1163
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AUD 4.3459
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287T328S102A11


Potentiometers 24mm Rotary Potentiometer
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CTS 1161
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AUD 20.8269
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23BR500KLFTR


Trimmer Resistors - SMD 4MM Squ 500K 10% Sealed
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TT Electronics 1160
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AUD 1.1
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RV24AF-10-15R1-A1M-3LA


Potentiometers Audio 1MEG
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Alpha Taiwan 1060
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AUD 1.3829
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