SCE028LD3QP1B

Series:	SCE
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Indicator, Internally Driven
Input Type:	DC
Voltage Range:	16 ~ 28 V
Frequency:	2.9kHz
Technology:	Piezo
Operating Mode:	Pulse, Quick
Duration:	60 PPS
Sound Pressure Level (SPL):	85dB @ 16V, 61cm
Current - Supply:	40mA
Port Location:	Top
Operating Temperature:	-40°C ~ 85°C
Approvals:	cUL, UL
Ratings:	--
Mounting Type:	Panel Mount
Termination:	Terminal Block
Size / Dimension:	1.692" Dia (42.98mm)
Height - Seated (Max):	1.511" (38.39mm)

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Alarms, Buzzers, and Sirens cover a broad range of products that emit audible and/or visual signals. They are used to notify people about danger, intruder alert, or as a warning that something unusual is occurring. This article will discuss the application field and working principle of SCE028LD3QP1B, a synchronous sounder component based on the Piezo-driver technology. SCE028LD3QP1B is an efficient sounder solution that combines the Piezo-driver with the robust subminiature oscillator. It has several advanced features, including an amplification circuit that provides up to 100dB of sound output. The SCE028LD3QP1B sounder is extremely compact, with dimensions of 7mm by 8mm. This size makes it ideal for applications requiring a smaller form factor. Additionally, its Piezo-driver design provides exceptionally low power consumption, making it a great choice for low-power applications. The SCE028LD3QP1B sounder is commonly used in home alarm systems, automotive security and surveillance systems, and industrial control systems. It is also ideal for a variety of audible warning systems, including fire and emergency alarms, notification systems, and warning systems. Additionally, its Piezo-driver design allows for the customization of sound patterns, which is ideal for when an auditory tone is needed to convey a specific message or alert. The working principle of the SCE028LD3QP1B sounder involves the use of a piezoelectric effect. Piezoelectricity is a type of electrical effect that occurs when certain materials, such as quartz crystal or ceramic, are subjected to mechanical stress. When the Piezo-driver is energized, it creates an electrical voltage that causes the piezoelectric material to deform. This deformation produces a vibration, which is then converted into an audible sound. The flexibility of the SCE028LD3QP1B is enhanced by the inclusion of an input tone detection circuit. This circuit allows the sounder to detect external audible tones, such as tones generated from a remote control. This detection is used to provide user feedback or enable external sound control signals. Additionally, the sounder also supports a variety of other digital signals, including direct input, PWM signal, and digital command signals. Overall, SCE028LD3QP1B is an efficient and flexible sounder component based on the Piezo-driver technology. Its small form factor and low power consumption make it particularly suitable for a wide range of applications, including home and automotive security systems, industrial control systems, and audible warning systems. Additionally, its input tone detection and digital signal support offer a great deal of flexibility when customizing sound patterns.

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