SCE120LA3CM1B

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Alarms, Buzzers, and Sirens

Sound-producing devices are used for all sorts of applications ranging from signalling an alarm system alert to providing an audible notification for those with impaired vision. In particular, alarms, buzzers and sirens are used to generate sound signals that can alert a person of danger, sound an alarm, or simply signal a condition. One such device that can be used in a variety of applications is the SCE120LA3CM1B.

The SCE120LA3CM1B is a low-cost sound-producing device that can be used in systems requiring audible alerts. This device is powered by either 3V DC or 4.5V – 12V DC supply, has a 0.9 second alert cycle, and is designed to fit within a 3 cm x 1 cm size module. This small sound-producing system is designed to be simple to use, drawing power from a 3V Lithium battery, adjustable in pitch and volume, and is equipped with a shockproof piezo buzzer.

The SCE120LA3CM1B is most commonly used for personal security systems such as anti-theft and home security alarms, video surveillance systems, medical alert signals, car alarms, and emergency alarms. This device is desirable for these types of systems due to its small size, adjustable pitch and volume, and low-cost price. The SCE120LA3CM1B is also used for signaling and notification systems, such as traffic signals, fire alarms, smoke detectors, and doorbells.

Despite its small size and simplicity, the working principle of the SCE120LA3CM1B is quite complex. The SCE120LA3CM1B works by generating an alternating current that is converted to a fluctuating voltage signal. The voltage signal is then fed into the transducer, which in this case is a piezo buzzer. As the voltage signal alternates, the piezo material changes shape because of the influence of the electric field, producing an audible sound. By adjusting the voltage signal, the pitch and volume of the sound can be changed.

The SCE120LA3CM1B is a reliable and readily available sound-producing device that can be used in a wide variety of applications. Its small size, simple design, and adjustable volume and pitch make it desirable for use in security and notification systems. The device functions by converting an alternating current to a voltage signal, which is then sent to the transducer whose piezo material is affected by the electrical field, producing an audible sound.

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