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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PTV09A-4020F-A203


20k Ohm 1 Gang Logarithmic Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 883
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AUD 0.7042
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RK39A1A00028


Potentiometers Single-unit / 5k ohm, B / 6Positions / 270 Deg. Rot., / 50mNm / 22.2mm / With Chip LED (Red)
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ALPS 720
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AUD 8.4198
Multiples of: 1

PDB181-B225K-104B


Potentiometers PANEL CONTROL - 17MM-ST-CARBON
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Bourns 719
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AUD 1.0704
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T93XB503KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 50K
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Vishay 718
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AUD 1.6338
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WH06-2C-501(500R)


25% 100mW 500 Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 717
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AUD 0.0621
Multiples of: 10

PT10LH01204A2020S


Potentiometer: mounting; vertical; 200kΩ; 150mW; ±20%; linear
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Amphenol 717
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AUD 0.4076
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RV16AF-10-15R1-A50K-0DLA


Potentiometers AUDIO 50K
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Alpha Taiwan 716
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AUD 1.3043
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3269X-1-103LF


Trimmer Resistors - SMD 1/4" 10Kohms 10% Horizontal Adjust
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Bourns 696
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AUD 3.5265
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89PR10KLFTB


BI Technologies TT Electronics TT Electronics 34W 10K Ohms 10% MULTI TURN
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TT Electronics 691
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AUD 1.3857
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RM065-502(5K)


25% 100mW 5k Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 271
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AUD 0.0631
Multiples of: 10

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