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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D53C1500K


Potentiometers RESISTIVE & OPTICAL
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Honeywell 7
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AUD 109.4403
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574SX1M48F104SD


Potentiometers 100K Ohm 20% 1/2W 6.35mm
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Honeywell 7
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AUD 135.5037
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AR2KL.25


2k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 5W Solder Lug
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TT Electronics 7
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AUD 271.0075
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RES500E


500 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 12.5W Solder Lug
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Ohmite 7
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AUD 281.5179
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142S00103


Precision Potentiometers 1/2" WW 10Kohms Single Servo Mount
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Vishay 7
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AUD 377.694
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RJS150E


150 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 50W Solder Lug
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Ohmite 7
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AUD 386.8716
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RES5R0E


Rheostats 12.5watt 5ohm 305V Std Shaft
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Ohmite 7
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AUD 419.291
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RHS250E


250 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 25W Solder Lug
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Ohmite 6
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AUD 310.4627
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3700S-1-202L


Precision Potentiometers 2K OHM 10-TURN W/W POT
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Bourns 3
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AUD 142.097
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DW22-10-5K


ETI Systems Precision Potentiometers 2W 5Kohms 5%
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ETI Systems 0
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AUD 263.0642
Multiples of: 1

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