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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PTV111-4420A-B104


100k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 753
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AUD 1.1124
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PTV112-1417A-A2502


Potentiometers Dual Gang No Detent 17.5mm 5K Ohm A Tapr
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Bourns 753
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AUD 1.4083
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3214W-1-502G


Trimmer Resistors - SMD 4MM SQ 5KOHMS 10% 5TURN
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Bourns 753
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AUD 2.4808
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PTL30-15G1-105B2


Slide Potentiometers 1Mohms Travel=30mm Center Detent
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Bourns 752
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AUD 2.9231
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450T328S103A1C1


Potentiometers 10K Ohm +/-10% SPST 24mm Dia. Slotted
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CTS 752
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AUD 5.593
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PTV09A-2020S-A503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 20 mm
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Bourns 751
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AUD 0.6972
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82PR500LF


Trimmer Resistors - Through Hole 6.35MM 1/4" SINGLE-TURN SEALED
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TT Electronics 751
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AUD 1.1501
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3362M-1-202


Trimmer Resistors - Through Hole 1/4"SQ 2KOHMS 10% 0.5WATTS
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Bourns 750
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AUD 1.3549
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T910Z-5K


Potentiometer: mounting; multiturn; 5kO; 500mW; THT; ±10%; linear
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SR Passives 726
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AUD 0.2549
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PTD902-1015K-B104


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 0
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AUD 1.9701
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