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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3296W-1-202RLF


Bourns Trimmer Resistors - Through Hole 38" 2Kohms Sealed Vertical Adjust
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Bourns 4138
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AUD 2.594
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3214X-1-102E


Trimmer Resistors - SMD 4MM SQ 1KOHMS 10% 5TURN
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Bourns 275
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AUD 2.0687
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PV32H201A01B00


Trimmer Resistors - Through Hole 200 ohm
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Bourns 269
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AUD 2.1346
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3386P-DF6-502LF


Trimmer Resistors - Through Hole 3/8" SQ TRIM POT 5K ST SEALED CERMET
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Bourns 269
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AUD 2.25
Multiples of: 1

3352W-1-103


Trimmer Resistors - Through Hole 38"RND 10KOHMS 20% 0.5WATTS
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Bourns 269
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AUD 2.8077
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3009P-1-501ZLF


Trimmer Resistors - Through Hole 500 OHMS 10% 3/4inch Panel Mount
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Bourns 269
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AUD 4.4423
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575SX1A48F102SS


Potentiometers 1K Ohm 20% 1/2W 6.35mm
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Honeywell 269
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AUD 16.2873
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PTL45-15R1-503B2


Bourns Slide Potentiometers 50Kohms Travel=45mm Center Detent
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Bourns 268
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AUD 2.3149
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SM-42TW500


50 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 259
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AUD 3.0857
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91R1A-R22-D15L


Potentiometers 10K 20% 5/8" SQ ST
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Bourns 221
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AUD 8.4716
Multiples of: 1

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