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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MW22B-2200-2.5K


Potentiometers
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ETI Systems 1
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AUD 223.24
Multiples of: 1

REL25R


Rheostats 12.5watt 25ohm 305V Locking Shaft
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Ohmite 1
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AUD 233.9179
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CCU1031E


Ohmite Potentiometers 2W POT 10%
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Ohmite 1
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AUD 246.903
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RCL-200


Decade box: capacitance; 1÷9999999pF; Number of ranges:7; ±5%
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Cobi 1
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AUD 253.2746
Multiples of: 1

RHL2R0


Rheostats 25watt 2ohm 500V Locking Shaft
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Ohmite 1
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AUD 253.7687
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RES100E


100 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 12.5W Solder Lug
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Ohmite 1
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AUD 281.403
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P3265


Decade box: resistance; 0÷9999999?; Number of ranges:7
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PEAKTECH 1
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AUD 285.391
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RES35RE


Rheostats 12.5watt 35ohm 305V Std Shaft
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Ohmite 1
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AUD 290.7612
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Hot RES125E


125 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 12.5W Solder Lug
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Ohmite 1
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AUD 290.7612
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CR5KL.5


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 3.0 Kierros Wirewound 3W Solder Lug
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TT Electronics 1
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AUD 336.9612
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