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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3299Z-1-204LF


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 194
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AUD 2.2657
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T7RYB203KT20


Trimmer Resistors - Through Hole 1/4" ROUND 203
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Vishay 126
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AUD 4.92
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3109605994


Potentiometers Wirewound-Pot
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Kyocera AVX 126
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AUD 11.6346
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53C22.5MEG


Potentiometers 2W,2.5MOhm, -20% T 15.88mm SlottedShaft
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Honeywell 126
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AUD 30.0373
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RV4LAYSA255B


Res Conductive Plastic POT 2.5M Ohm 20% 2W 1(Elec)/1(Mech)Turn 6.35mm (30.17 X 27.78 X 36.12mm) Solder Lug Panel Mount
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Honeywell 126
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AUD 31.5392
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533B1102JL


Precision Potentiometers 7/8" 3 Turns 1Kohms 5% Lin .2%
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Vishay 126
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AUD 33.9358
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PT10MV10-254A2020-S


Trimmer Resistors - Through Hole 250Kohms 10mm Rnd Top adj Steel Lead
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Amphenol 125
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AUD 0.4981
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Hot 3314G-1-204E


Trimmer Resistors - SMD 4mm SQ 200K
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Bourns 105
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AUD 0.6885
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3269P-1-101LF


Trimmer Resistors - SMD 1/4" 100ohms 10% Horizontal Adjust
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Bourns 96
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AUD 3.4478
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SM-42TW202


Res Cermet Trimmer 2K Ohm 10% 1/4W 11(Elec)Turn 1.5mm (4.8 X 3.9 X 5.3mm) J-Hook SMD T/R
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Nidec Copal 0
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AUD 2.9995
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