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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18VRGT324K254NA3


250k Ohm 1 Gang Logarithmic Panel Mount Potentiometer Push-Pull, DPDT 1 Kierros 0.05W, 1/20W Solder Lug
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CTS 174
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AUD 4.868
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3059Y-1-503LF


Bourns Trimmer Resistors - Through Hole 50Kohms 10% 1-14" PC Mount
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Bourns 174
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AUD 8.0612
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580SX4Q25F102SP


Honeywell
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Honeywell 174
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AUD 9.2267
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PT15LV18-503A2020-S


Trimmer Resistors - Through Hole 50Kohms 15mm Rnd Steel Leads
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Amphenol 173
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AUD 0.6538
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T93XB204KT20


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 23.0 Turn Side Adjustment
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Vishay 173
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AUD 1.3676
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PTD902-10BAP-B203


Potentiometers PANEL CONTROL - 9MM-ST-CARBON
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Bourns 173
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AUD 1.4169
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PTD908-1020K-A103


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 172
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AUD 5.7791
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364W10K


Trimmer Resistors - Through Hole 10Kohms 0.5W 25 Turns Square
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Honeywell 169
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AUD 16.1007
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RV16AF-10-15S1-A5K


Potentiometers Audio Screwdvr 5K Solder Lugs
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Alpha Taiwan 169
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AUD 1.1
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RK0971112Z06


30V ±20% 50mW 10kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 101
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AUD 1.3466
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