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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3540S-1-501L


Precision Potentiometers 7/8IN WW 500 OHMS 0.25% 10turn
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Bourns 160
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AUD 17.9462
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534B1103JL


Precision Potentiometers 10Kohms 5% 0.2% Linearity
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Vishay 160
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AUD 44.9778
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T64H-5K


Potentiometer: mounting; single turn; 5kO; 500mW; ±20%; -55÷125°C
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SR Passives 159
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AUD 0.8778
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P120K-Y25AR50K


BI Technologies TT Electronics Potentiometers 120W 50K Ohms 20% 12mm ROTARY POT
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TT Electronics 159
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AUD 1.2344
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3310C-001-504L


500k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 159
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AUD 2.7238
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3296W-1-200


Trimmer Resistors - Through Hole 3/8" 20ohms Sealed Vertical Adjust
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Bourns 159
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AUD 2.9934
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3296X-1-101


Trimmer Resistors - Through Hole 3/8IN 100 OHM Sealed Horizontal Adjust
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Bourns 159
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AUD 3.1254
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3269W-1-204LF


200 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 159
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AUD 3.7714
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PCW1J-B24-BAB102L


Potentiometers 1K 20% Sq 22mm Single Turn
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Bourns 159
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AUD 6.8462
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RV4NAYSD151A


150 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 2W Solder Lug
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Precision Electronics 0
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AUD 22.0758
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