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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3362W-1-503LF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 137
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AUD 0.5291
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72XWR20K


72XWR20K tt electronics
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TT Electronics 135
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AUD 6.3775
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343P5K


Honeywell Trimmer Resistors - Through Hole 5 kOhm, 0.75 W 20 TURNS, Trimmer
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Honeywell 135
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AUD 7.119
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91A1A-B24-D13L


Potentiometers 5K 20% 5/8" SQ ST
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Bourns 135
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AUD 7.3214
Multiples of: 5

T-21AHM0607203A2020


Potentiometer: shaft; single turn; 20kΩ; 200mW; THT; 6mm; metal
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Amphenol 135
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AUD 8.3111
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3262P-1-502LF


Bourns Trimmer Resistors - Through Hole 14" 5Kohms 10% Square Cermet Sealed
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Bourns 135
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AUD 11.8651
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T18BI1103A2020


Trimmer Resistors - Through Hole 10Kohms 18mm
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Amphenol 135
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AUD 17.5962
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3046L-2-103


Slide Potentiometers 10KOHMS 0.25" RANGE/TRAVEL
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Bourns 135
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AUD 18.0889
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392C350K


50k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W PC Pins
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Honeywell 135
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AUD 30.119
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3683S-1-103L


Precision Potentiometers 10K Ohms Digital +/- 3% tol 0.1% res
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Bourns 132
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AUD 71.046
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