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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RJS2K5E


2.5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 50W Solder Lug
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Ohmite 8
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AUD 406.7701
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RHS1K0


Ohmite Rheostats 25watt 1K 500V Std Shaft
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Ohmite 8
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AUD 438.041
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RES1R0E


1 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 12.5W Solder Lug
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Ohmite 8
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AUD 600.1976
Multiples of: 1

RT012AS2200KB


Rheostats RT 12 L AS 220U 10% BO10 e
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Vishay 8
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AUD 733.4701
Multiples of: 1

RGS5K0E


Ohmite Rheostats 75watt 5K 900V Std Shaft
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Ohmite 8
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AUD 763.5075
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PT10LV10-104A2020-I-PM-S


Trimmer Resistors - Through Hole
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Amphenol 7
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AUD 0.3983
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64XR100LF


Trimmer Resistors - Through Hole 1/4" Squ 100 10%
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TT Electronics 7
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AUD 1.9373
Multiples of: 1

RNS1R0E


Rheostats 300watt 1ohm 1225V Std Shaft
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Ohmite 0
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AUD 947.2157
Multiples of: 1

CA6V 250


Potentiometer: mounting; single turn, horizontal; 250O; 100mW
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ACP 0
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AUD 0.2131
Multiples of: 10

3361P-1-200GLF


20 Ohms 0.5W, 1/2W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 0
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AUD 0.839
Multiples of: 1

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