MSE28LCH2

Alarms, Buzzers, And Sirens Overview

The MSE28LCH2 is a miniature board mount piezoelectric buzzer from the MSE series by Mallory Sonalert. It operates on a DC input voltage range of 20 to 28V with a current rating of 50mA. The device produces a chirp tone at a frequency of 3.85kHz, achieving a sound pressure level of 85dB measured at 20V and 30cm. Its physical dimensions are 23mm in length, 23mm in width, and 13.60mm in height. It utilizes through-hole PC pin termination for board mounting.

Alarms, Buzzers, And Sirens Feature Summary

• Integrates internal drive circuitry for direct connection to power sources without external oscillators.
• Generates a chirp acoustic signal pattern for distinct audio indication.
• Constructed with piezoelectric technology for reliable operation within specified temperature ranges.

Alarms, Buzzers, And Sirens Applications

• Electronic equipment requiring visual and audible status alerts
• Industrial control panels needing compact warning indicators
• Consumer appliances utilizing board-mounted audio signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix designation against official Mallory Sonalert documentation to confirm the chirp tone variant and electrical characteristics. Ensure the operating voltage aligns with the 20-28V DC requirement. Confirm that the through-hole PC pin configuration matches the target PCB layout. Check for RoHS compliance status if environmental regulations apply to the assembly process.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a compact, self-driven audio indicator is required for space-constrained designs. The MSE series offers a standardized footprint suitable for various board mount applications. Consider the 85dB output level relative to ambient noise requirements. Verify that the 50mA current draw fits within the system's power budget constraints.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the MSE series of miniature buzzers manufactured by Mallory Sonalert Products Inc. The series is characterized by small form factors designed for surface or board integration. These devices typically combine piezoelectric elements with internal driving electronics to simplify circuit design.

Alarms, Buzzers, And Sirens Replacement Considerations

Cross-reference with other MSE series variants such as MSE28MWH2 or MSE28LDP3S for different acoustic patterns. Ensure substitute parts maintain compatible voltage ranges and mechanical dimensions for direct replacement.