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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3269P-1-504LF


Trimmer Resistors - SMD 14" 500Kohms 10% Horizontal Adjust
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Bourns 79
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AUD 4.7308
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RJ24FW102


Trimmer Resistors - Through Hole 3/8" SQ 1K 3/8" 10% MultiTurn Cermet
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Bourns 79
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AUD 6.7295
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51CAD-E28-A15L


Potentiometers 1/2" PANL CONTRL 10K SQ Sealed 1Turn
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Bourns 79
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AUD 9.673
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3262X-1-503LF


50 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 79
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AUD 11.3492
Multiples of: 1

3292W-1-202LF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 79
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AUD 12.8683
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56AAD-C28-B15/R81L


Potentiometers 10Kohms SPDT CCW
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Bourns 79
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AUD 23.7984
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54CAD-E28-B13/P50L


5k Ohm 1 Gang Linear Panel Mount Potentiometer Push-Pull, DPDT 1.0 Kierros Conductive Plastic 0.5W, 1/2W PC Pins
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Bourns 79
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AUD 31.1706
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RV4NAYSD105A


POT 1M OHM 2W CARBON LINEAR
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Precision Electronics 79
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AUD 40.5584
Multiples of: 1

3290P-1-103


10 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Wirewound 25.0 Turn Side Adjustment
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Bourns 79
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AUD 44.0361
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RV6LAYSA503AP


Res Conductive Plastic POT 50K Ohm 10% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 3.18mm (12.7 X 32.55mm) J-Hook Panel Mount
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Honeywell 79
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AUD 79.6107
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