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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3386P-1-205


Trimmer Resistors - Through Hole 3/8"SQ 2MOHMS 10% 0.5WATTS
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Bourns 86
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AUD 1.6879
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3299Y-1-100LF


10 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 86
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AUD 2.2349
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3386P-1-100TLF


Trimmer Resistors - Through Hole 3/8IN 10 OHMS 10% 0.5Watts Square
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Bourns 86
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AUD 2.4329
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3224G-1-203E


Trimmer Resistors - SMD 4mm 20Kohms 10% Square Cermet Sealed
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Bourns 86
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AUD 3.3873
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P0925N-FC15AR10K


Potentiometers 9mm 10K ohm
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TT Electronics 86
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AUD 4.3346
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PV12T101A01B00


Trimmer Resistors - Through Hole 100 ohm
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Bourns 86
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AUD 6.7115
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363P20K


Res Cermet Trimmer 20K Ohm 10% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 3.81mm (9.53 X 9.53 X 4.83mm) Pin Thru-Hole
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Honeywell 86
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AUD 6.7262
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364Y100K


Trimmer Resistors - Through Hole 100Kohms 0.5W 25 Turns Square
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Honeywell 86
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AUD 6.8452
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3109607590


Potentiometers Wirewound-Pot
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Kyocera AVX 86
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AUD 10.7038
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RV30YN-20S-0B104


Potentiometer: shaft; 100kΩ; 600mW; ±10%; 6mm; carbon; 1kV; -10÷85°C
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Tocos 86
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AUD 11.2
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