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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3386T-1-504LF


Trimmer Resistors - Through Hole 38" 500Kohms 10% 0.5Watts Square
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Bourns 191
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AUD 1.2806
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3386G-1-504LF


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 191
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AUD 1.3299
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CT-94EX104


Trimmer Resistors - Through Hole 100 KW 9mm sq. multi turn side adj, in-line pins
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Nidec Copal 191
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AUD 1.5222
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3314H-1-100


Trimmer Resistors - SMD 4MM SQ TRIMPOT 10uH ST CERMET SMD
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Bourns 191
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AUD 1.7896
Multiples of: 1

M64Y101KB40


Trimmer Resistors - Through Hole 3/8"SQ 100ohms Multi Turn Cermet
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Vishay 191
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AUD 2.594
Multiples of: 1

3386Y-1-102


Trimmer Resistors - Through Hole 3/8"SQ 1KOHMS 10% 0.5WATTS
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Bourns 191
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AUD 2.5292
Multiples of: 1

3329P-1-504


Trimmer Resistors - Through Hole 1/4"RND 500KOHMS 10% 0.5WATTS
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Bourns 191
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AUD 3.304
Multiples of: 1

72XWR200KLF


Trimmer Resistors - Through Hole 200K ohm 10% Single Turn
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TT Electronics 191
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AUD 3.7873
Multiples of: 1

3266Y-1-503LF


50 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 94
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AUD 2.7746
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RV16AF-10-15S1-C50K-LA


Potentiometers Rev Audio 50K Screwdvr Solder Lug
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Alpha Taiwan 18
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AUD 1.1
Multiples of: 1

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