SCE120MA3SU2B

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Alarms, buzzers, and sirens are important tools used in both residential and commercial settings that have many consumer and industrial applications. The SCE120MA3SU2B is a common type of buzzer designed for general purpose use in a variety of applications. This alarm features several important design elements and operational characteristics that set it apart from other buzzers.

Applications of the SCE120MA3SU2B

The SCE120MA3SU2B is designed for a range of applications and is well suited for use in industrial settings where electrical noise can cause interference with other equipment. It can also be used in residential settings such as home security systems or as a backup siren in case of fire or other emergency. Additionally, this buzzer can also be found in automobile and commercial vehicle alarm systems as well as various computer hardware.

The SCE120MA3SU2B is designed to be robust, reliable and cost-effective, making it an attractive choice for a variety of applications. It features a wide range of operating frequencies, making it highly versatile and able to meet the needs of any application.

Features and Design Elements

The SCE120MA3SU2B is a piezoelectric buzzer that features a rugged plastic enclosure and protective cover. It is designed to resist shock, vibration and moisture, and is rated for 66/68/70dB operating frequency range. This alarm also features an internally mounted switch that allows users to control the sound level of the buzzer, enabling them to customize the sound to meet specific applications.

The SCE120MA3SU2B also features a low current draw, allowing it to be powered from a variety of sources including 12V DC, 25V AC and 28V DC. This makes it well suited for applications with limited power sources, such as those found in automobiles or boats.

Working Principles

The SCE120MA3SU2B operates using a simple piezoelectric principle. When an AC or DC voltage is applied to the terminals of the buzzer, a piezoelectric crystal inside the device vibrates, which in turn creates an audible sound. The frequency of the buzzer can be adjusted by changing the electric charge that is applied to the crystal. The current draw of the buzzer is very low, making it an economic choice for applications that require low levels of power.

An internals

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