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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CA9H 100K


Potentiometer: mounting; single turn, vertical; 100kO; 0.15W; ±20%
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ACP 3217
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AUD 0.2512
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3386P-1-472LF


Trimmer Resistors - Through Hole 3/8" 4.7Kohms 10% 0.5Watts Square
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Bourns 1291
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AUD 1.0843
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P091P-FC25CR5K


BI Technologies TT Electronics Potentiometers 140W 5K Ohms 20% 9mm ROTARY POT
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TT Electronics 1288
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AUD 3.4423
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TS3YJ502MR15


Trimmer Resistors - SMD 3mm 5K
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Vishay 1285
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AUD 1.9209
Multiples of: 1

3362P-1-151


Trimmer Resistors - Through Hole 1/4IN SQ 150 OHM 10% 0.5WATTS
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Bourns 1284
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AUD 1.6077
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W3296Y-1-103


10K TRIMPOT MULTI TURN TRIMMER VERT/TOP ADJ OFFSET PI
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Netech 1282
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AUD 0.4415
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3214W-1-104G


Trimmer Resistors - SMD 4MM SQ 100KOHMS 10% 5TURN
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Bourns 970
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AUD 1.7857
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026TB32R501B1B1


500 Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Wirewound 5W Solder Lug
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CTS 944
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AUD 7.4827
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PT10MV10-504A2020-S


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd Top adj Steel Lead
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Amphenol 606
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AUD 0.3009
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3296W-1-253


Precision Potentiometer 25KOhms ±10% ±250ppm/℃ 3296W RoHS
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Guosheng 101
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AUD 0.1487
Multiples of: 5

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