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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3362F-1-501LF


Bourns Trimmer Resistors - Through Hole TRIMMER - 14" SQ ST CERMET
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Bourns 1297
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AUD 1.6429
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3306K-1-222


Trimmer Resistors - Through Hole TRIMMER -SMD 6MM RD ST CERMET OPEN FRAME
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Bourns 1296
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AUD 0.3976
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PTA4553-2010CIB105


Bourns Slide Potentiometers 10MM SHAFT NO DET 45MM STRK SNG LIN
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Bourns 1296
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AUD 1.9077
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PT15LV18-252A2020


Trimmer Resistors - Through Hole 2.5Kohms 15mm Rnd
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Amphenol 1294
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AUD 0.7635
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PT10XH01-103A2020-PM-1CR


Trimmer Resistors - Through Hole 10mm 10K
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Amphenol 1294
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AUD 0.9673
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RS20111A9A03


Slide Potentiometers 10 KOhms 20% THT W/ SNAP-IN MNT
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ALPS 1293
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AUD 1.7258
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67YR1KLFTB


Trimmer Resistors - Through Hole 1/2W 1K Ohms 10% MULTI TURN
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TT Electronics 1244
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AUD 1.3153
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PTA3043-2015DPB104


Slide Potentiometers 15mm Shaft 100KOhms Sgl Gang Met Lev Lin
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Bourns 1243
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AUD 1.3561
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3296W-1-252LF


Trimmer Resistors - Through Hole 3/8" 2.5Kohms Sealed Vertical Adjust
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Bourns 1150
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AUD 1.7956
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YV13S-L7.85-B10Ka(60)-0-DL01


Plugin-14P,21x17mm Potentiometers, Variable Resistors ROHS
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YTL 905
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AUD 0.7419
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