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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PT01-D120D-B502


Precision Potentiometers rotary potentiometer single channel horiz 20mm D-cut linear taper 5K ohm
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Same Sky 937
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AUD 0.8865
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82MR20KLF


Trimmer Resistors - Through Hole 1/2W 20K Ohms 10% SINGLE TURN
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TT Electronics 937
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AUD 1.1943
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T73YE101KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 100
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Vishay 937
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AUD 1.1388
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PTL30-10O1-203B2


Slide Potentiometers 20Kohms Travel=30mm Center Detent
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Bourns 937
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AUD 1.8857
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RV121SF-30-009J-A50K-00K


Potentiometers 12mm Audio 50K W/SW
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Alpha Taiwan 937
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AUD 2.2115
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93PR500LF


Trimmer Resistors - Through Hole 1/2inch 500 LEADFREE Thumbwheel
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TT Electronics 937
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AUD 2.7347
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HTL10K


10K TRIMPOT SIDE ADJ KVSF639A TRIMMER HORIZ/SIDE ADJUST
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Netech 936
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AUD 0.1393
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3296X-1-203RLF


Trimmer Resistors - Through Hole 38" 20Kohms Sealed Horizontal Adjust
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Bourns 936
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AUD 2.5921
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CA14NV12,5-1KA2020


Potentiometer: mounting; single turn, horizontal; 1kO; 250mW; ±20%
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ACP 914
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AUD 0.3093
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P0915N-QC20BR5K


Potentiometer - Single Gang - 5K (+/-) 20% - 0.05W - Linear Taper - Top Adjust - Knurled Shaft 20mm ...
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TT Electronics 905
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AUD 1.8543
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