CSS-J4B20-SMT-TR Audio Products

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Alarms, buzzers and sirens serve as an easy way for people to know when something will happen. Today, these devices are being used in more applications than ever before, such as to notify us when our doorbells rings, when a fire alarm is triggered, or when a medical alert is present. The CSS-J4B20-SMT-TR series provides a cost effective and reliable solution for applications that require an audible alert to notify the end user of a potential threat or emergency.

The CSS-J4B20-SMT-TR is a highly integrated, miniature size buzzer that is designed as an audible alert for a wide range of applications. The device has a built-in transistor and speaker driver, which makes it capable of generating amplified sound from a tiny form factor. The buzzer is available in two variations with different maximum output levels, making it suitable for applications that require both low and high sound pressure levels.

The working principle of the CSS-J4B20-SMT-TR is based on a piezo-electric actuation method. The device has two piezo-electric elements attached, one of which is the resonator and the other is the actuation element. When the electric current is supplied to the actuation element, the piezo-electric element vibrates at a certain frequency. This vibration creates an alternating pressure on the diaphragm within the buzzer housing, leading to the generation of sound waves.

The CSS-J4B20-SMT-TR is used in a wide range of applications including access control systems, fire prevention systems, medical alarms, home audios, doorbells, automotive alarms, and mobile phones. The buzzer’s lightweight and miniature form factor makes it suitable for embedded applications where space is limited. Additionally, the device is also RoHS compliant and IP66 rated, making it an ideal choice for electronic or industrial application.

In conclusion, the CSS-J4B20-SMT-TR series is an ideal choice for applications that require an audible alert. The device’s piezo-electric actuation method, along with its small form factor and high sound pressure level, makes it suitable for embedded applications where space is limited and sound level is a priority. Additionally, the device also has RoHS compliance and IP66 rating for added value.

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