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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Hot 3224J-1-503E


Trimmer Resistors - SMD 4mm 50Kohms 10% Square Cermet Sealed
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Bourns 1082
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AUD 1.4565
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3006P-7-204LF


Bourns Trimmer Resistors - Through Hole 200K 34" 10% Sealed Multi Turn
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Bourns 984
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AUD 2.4514
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6187R1KL.5ST


Res Conductive Plastic POT 1K Ohm 10% 1W 1(Elec)/1(Mech)Turn 6.34mm (22.23 X 36.4mm) Turret Panel Mount
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TT Electronics 984
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AUD 42.1125
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3306K-1-254


Trimmer Resistors - Through Hole 250K 25% 6mm Single Turn
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Bourns 981
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AUD 0.4353
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PDB181-E415F-104A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 980
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AUD 1.287
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363P500


Res Cermet Trimmer 500 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 978
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AUD 2.1188
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3266P-1-201LF


200 Ohms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 977
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AUD 2.7186
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3310C-125-103L


10k Ohm 1 Gang Linear Through Hole Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 977
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AUD 3.08
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PTA2043-2015DPB103


Slide Potentiometers 10K LINEAR
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Bourns 976
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AUD 0.9875
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RV16AF-20-15K-A1M-3


Potentiometers Audio Knurled 1M PC Mount
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Alpha Taiwan 946
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AUD 1.0529
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