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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3329P-1-252LF


Trimmer Resistors - Through Hole 14" RD TRIMPOT 2.5K ST CERMET
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Bourns 132
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AUD 2.9615
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3224W-2-104E


Trimmer Resistors - SMD 4mm 100Kohms 10% Square Cermet Sealed
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Bourns 132
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AUD 3.5095
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3352T-1-253


Res Cermet Trimmer 25K Ohm 20% 0.5W(1/2W) 1(Elec)/1(Mech)Turn (8.89 X 9.53 X 3.81mm) Pin Thru-Hole Bag
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Bourns 132
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AUD 3.875
Multiples of: 10

3224X-2-502E


Bourns Trimmer Resistors - SMD 4mm 5Kohms 10% Square Cermet Sealed
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Bourns 132
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AUD 3.877
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T93Z100KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 10
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Vishay 132
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AUD 4.14
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M63X104KB30T607


Trimmer Resistors - Through Hole 3/8"SQ 100Kohms 10% Single Turn Cermet
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Vishay 132
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AUD 7.9615
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POT2218P2-5K


Potentiometer: shaft; 5kO; 2W; ±5%; 6.35mm; linear; wirewound
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SR Passives 132
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AUD 9.2444
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3262W-1-253LF


Trimmer Resistors - Through Hole 1/4" 25Kohms 10% Square Cermet Sealed
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Bourns 132
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AUD 11.8651
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PTV09A-4030U-B502


Res Carbon Film POT 5K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (11.4 X 12.5 X 33.8mm) Pin Bracket Mount/Through Hole
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Bourns 131
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AUD 0.7438
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3362R-1-105LF


Trimmer Resistors - Through Hole 1/4"SQ 1MOHMS 10% 0.5WATTS
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Bourns 131
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AUD 0.9554
Multiples of: 1

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