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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3386P-1-103TLF


10 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 1592
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AUD 1.8683
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R16148-1A-2-A50K


Potentiometer: shaft; single turn; 50kO; 63mW; ±20%; THT; 6mm; metal
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SR Passives 1588
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AUD 0.3267
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PV32H502A01B00


Trimmer Resistors - Through Hole 5K OHM 6MM SGL TRN
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Murata 1587
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AUD 3.02
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1825289-8


Switch Slide ON ON ON DP3T Extended Top Slide 0.3A 125VAC PC Pins Bracket Mount/Through Hole Tray
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TE Connectivity 1586
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AUD 3.4631
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RV122F-20-15F-A10K


Potentiometers Audio D-Shaft 10K
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Alpha Taiwan 1586
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AUD 3.7365
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P160KN-0EC15B100K


Potentiometers 16mm Rotary Panel Potentiometer
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TT Electronics 1584
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AUD 1.2365
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RV24AF-10-15R1-B500K-3LA


Potentiometers Linear 500K
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Alpha Taiwan 1584
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AUD 1.4492
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PV32P103A01B00


Bourns Trimmer Resistors - Through Hole 10k ohm
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Bourns 1582
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AUD 1.7216
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CLU1021


Res POT 1K Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (31.78 X 29.4mm) Solder Lug Panel Mount
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Ohmite 1582
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AUD 22.248
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P120KGP-Y15BR100K


Potentiometers 120W 100K Ohms 20% 12mm ROTARY POT
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TT Electronics 1580
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AUD 1.125
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