3224J-1-204E

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A trimmer potentiometer, or trimmer, is a special type of adjustable electrical device used to adjust a circuit’s gain or balance. Trimmer potentiometers are used in a variety of electronic appliances and circuits. The 3224J-1-204E is a single throw trimmer potentiometer manufactured by Greystone.

Application Field: The 3224J-1-204E trimmer is a multi-turn trimmer potentiometer, small in size and suitable for close-in adjustments. This trimmer is designed for applications requiring precise adjustments in tight space restrictions, such as tuned circuits in radios, signal circuits of measuring instruments and various types of control circuits in a variety of electronics devices.

Working principle: The trimmer potentiometer works on an electromechanical principle. It is constructed from two circular plates, one circular plate labeled “B” consisting of a fixed substrate connecting to the main circuit, the second circular plate, labeled “W”, is a wiper which slides through a series of metal contacts or tracks. At the end of the track is a stopper or end stop which is fixed to one end of the substrate. Increasing or decreasing the resistance value is accomplished by turning the adjustment knob to move the wiper along the track, simultaneously moving closer or farther away from the end stop, resulting in an increase or decrease of resistance along the track.

The 3224J-1-204E is a member of the trimmer potentiometers family and is designed for applications requiring very precise adjustments in tight space restrictions. This trimmer offers superb performance in the form of accurate settings and long life. The superior performance and quality of this trimmer makes it the ideal choice for applications needing small, precise adjustments.

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