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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3310C-101-204L


Bourns Potentiometers 9mm 200Kohms Single Cup
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Bourns 143
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AUD 3.073
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E-200-F1-352


Rheostats
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Ohmite 143
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AUD 98.6311
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PT15NV18-205A2020


Trimmer Resistors - Through Hole 2Mohms 15mm Rnd
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Amphenol 142
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AUD 0.7696
Multiples of: 50

PTD901-2020F-A502


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 142
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AUD 1.7984
Multiples of: 1

3386B-1-105LF


Trimmer Resistors - Through Hole 3/8" 1Mohms 10% 0.5Watts Square
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Bourns 142
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AUD 2
Multiples of: 1

3006P-1-101


Trimmer Resistors - Through Hole 100ohm 3/4" 10% Sealed Multi Turn
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Bourns 142
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AUD 2.2
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90PR100KLF


Trimmer Resistors - Through Hole 3/4W 100K Ohms 10% MULTI TURN
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TT Electronics 142
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AUD 2.3048
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84WR200KLF


BI Technologies TT Electronics Trimmer Resistors - SMD 14W 200K Ohms 10% MULTI TURN
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TT Electronics 142
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AUD 3.7897
Multiples of: 10

3329W-1-202LF


Trimmer Resistors - Through Hole 1/4"RND 2KOHMS 10% 0.5WATTS
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Bourns 142
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AUD 3.9852
Multiples of: 1

3299W-1-204


Trimmer Resistors - Through Hole 200Kohms Standoffs Vertical Adjust 3/8"
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Bourns 142
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AUD 4.0213
Multiples of: 1

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