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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MFP120R


Switch Slide SPDT Side Slide 0.3A 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 432
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AUD 1.3333
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PTA4543-2015CPA103


Slide Potentiometers 10K OHMS AUDIO TAPER
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Bourns 432
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AUD 1.7635
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P231-FA25BR50K


50k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W Solder Lug
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TT Electronics 432
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AUD 2.0254
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3386P-DF6-504LF


Trimmer Resistors - Through Hole 38" SQ TRIMPOT 500K ST SEALED CERMET
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Bourns 432
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AUD 2.25
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64PR1KLF


Trimmer Resistors - Through Hole 1K ohm 10% 1/4" squ 12 turn
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TT Electronics 432
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AUD 2.2524
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3310P-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 432
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AUD 2.7238
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91A1A-B28-E22L


Potentiometers 250K 10% 58"SQ SINGLETURN
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Bourns 432
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AUD 13.08
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3362U-1-501LF


Trimmer Resistors - Through Hole 1/4"SQ 500OHMS 10% 0.5WATTS
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Bourns 431
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AUD 1.0098
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3313S-1-501E


Trimmer Resistors - SMD 3mm 500 OHM Horizontal Adj
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Bourns 431
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AUD 1.5906
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64PR100KLF


Trimmer Resistors - Through Hole 100K ohm 10% 1/4" squ 12 turn
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TT Electronics 368
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AUD 2.3921
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