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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3223W-1-500


Bourns Trimmer Resistors - SMD 50 OHM 3mm 20%
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Bourns 180
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AUD 3.9423
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3224X-2-103E


Trimmer Resistors - SMD 4mm 10Kohms 10% Square Cermet Sealed
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Bourns 180
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AUD 4.5577
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3299W-1-201


Trimmer Resistors - Through Hole 200ohms Standoffs Vertical Adjust 3/8"
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Bourns 180
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AUD 4.8462
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82A1A-B24-A13L


Potentiometers 5/8" (16MM) ST-CP PANEL CTRL
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Bourns 180
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AUD 16.7794
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P16NP101MAB15


Vishay Sfernice Potentiometers 100ohms 20% Linear Plastic black
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Vishay 180
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AUD 17.1642
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3540S-1-503L


50k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 180
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AUD 33.0754
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T73YE504KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 500K
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Vishay 179
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AUD 1.306
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RA6020F-10-15F2-B54


Slide Potentiometers 60mm TRVL Linear 50K
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Alpha Taiwan 179
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AUD 2.427
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3386P-1-103T


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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Bourns 179
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AUD 2.6869
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3590S-2-502L


Potentiometers & Variable Resistors ±5% ±50ppm/°C Through Hole RoHS
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Guosheng 179
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AUD 2.7849
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