SMT5050-03H02

Alarms, Buzzers, And Sirens Overview

The SMT5050-03H02 is a surface-mount passive magnetic buzzer manufactured by BeStar Technologies, Inc. It operates at a nominal voltage of 3 V with a current draw of 110 mA. The device produces an acoustic output of 75 dB at 3 V measured at 10 cm distance and functions at a resonant frequency of 4 kHz. The physical dimensions are 5.0 mm x 5.0 mm x 3.0 mm, utilizing LCP material for the housing.

Alarms, Buzzers, And Sirens Feature Summary

• Externally driven magnetic transducer design
• Surface-mount solder pad termination
• LCP housing construction

Alarms, Buzzers, And Sirens Applications

• Embedded communication systems
• Acoustic signaling devices
• Consumer electronics audio alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific datasheet version for the SMT5050-03H02 to confirm exact electrical tolerances and mechanical drawings. Ensure compatibility with the target PCB footprint and reflow soldering profile. Confirm that the 3V operating voltage aligns with the system power supply constraints before finalizing procurement.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a low-profile, surface-mount acoustic solution is required for 3V logic systems. The 4kHz frequency provides distinct audibility for status indicators. Consider the 75dB SPL rating against ambient noise requirements. Verify that the passive nature of the buzzer allows for external driver integration within the circuit design.

Alarms, Buzzers, And Sirens Part Context

This part belongs to BeStar Technologies' SMT series of surface-mount buzzers. The series includes variants such as the SMT5555-03H2.5 LF. These components are designed for compact electronic assemblies requiring reliable electromagnetic sound generation without internal oscillators.

Alarms, Buzzers, And Sirens Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 5.0x5.0x3.0mm package, 3V/4kHz specifications, and passive magnetic operation mode.