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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51CAD-E28-A13L


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W PC Pins
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Bourns 207
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AUD 8.8164
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MW10B-10-10K


Precision Potentiometers 10K 10Turn 0.4" Wirewound
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ETI Systems 207
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AUD 270.3846
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3362X-1-503


Trimmer Resistors - Through Hole 1/4"SQ 50KOHMS 10% 0.5WATTS
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Bourns 206
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AUD 1.2116
Multiples of: 1

3386W-1-201


Trimmer Resistors - Through Hole 3/8"SQ 200OHMS 10% 0.5WATTS
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Bourns 206
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AUD 1.6157
Multiples of: 100

3214X-1-200E


20 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 206
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AUD 1.9701
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3214G-1-105E


Trimmer Resistors - SMD 4mm SQ 1Mohms 10% 5TURN
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Bourns 206
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AUD 2.2657
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RA2045F-20G-15LC-B10K-C


Slide Potentiometers 20mm TRVL LINEAR 10K GREEN LED PC MOUNT
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Alpha Taiwan 206
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AUD 3.0209
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3299W-1-105


Trimmer Resistors - Through Hole 1Mohms Standoffs Vertical Adjust 3/8"
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Bourns 196
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AUD 3.9403
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67WR100LF


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Top Adjustment
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TT Electronics 85
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AUD 1.3725
Multiples of: 1

3362P-1-502


Trimmer Resistors - Through Hole 1/4"SQ 5KOHMS 10% 0.5WATTS
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Bourns 33
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AUD 1.2904
Multiples of: 1

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