MSE28LDP3

Alarms, Buzzers, And Sirens Overview

The MSE28LDP3 is a piezoelectric buzzer with an integrated driver, designed for through-hole mounting. It operates within a voltage range of 20 to 28 VDC and draws 50 mA. The device emits a continuous tone at 3.9 kHz with a sound pressure level of 85 dB measured at 20 V and 30 cm. Its compact square form factor measures 23.00 mm by 23.00 mm. The unit features PC pins for termination and is rated for operation between -40°C and 65°C.

Alarms, Buzzers, And Sirens Feature Summary

• Integrates internal drive circuitry for direct DC input without external oscillators
• Utilizes piezoelectric technology for reliable acoustic generation
• Features top-mounted sound port for directional audio projection
• Constructed with washable grade materials for durability

Alarms, Buzzers, And Sirens Applications

• Industrial control panel status indication
• Equipment fault alarm signaling
• Process completion notification systems
• Safety warning devices in machinery

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix against official Mallory Sonalert documentation to confirm exact electrical characteristics and mechanical dimensions. Ensure the ordering part number matches the required voltage and frequency specifications for the target application. Cross-reference datasheets for environmental ratings and mounting requirements before procurement.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a compact, internally driven piezoelectric indicator is required for PCB or chassis mounting. Consider the 23mm footprint and through-hole termination method for compatibility with existing board layouts. Evaluate the 85 dB output level against ambient noise conditions to ensure audibility. Confirm that the operating temperature range meets the environmental demands of the installation site.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the MSE series of miniature board mount buzzers manufactured by Mallory Sonalert Products Inc. The series is characterized by small form factors suitable for space-constrained designs. These devices combine acoustic signaling with visual indicators in some variants, offering multifunctional alert capabilities for electronic systems requiring clear status feedback.

Alarms, Buzzers, And Sirens FAQ

Does the MSE28LDP3 require an external oscillator?

No, it includes an internal driver circuit allowing direct connection to a DC power source.

What is the mounting style for this buzzer?

It uses a through-hole mounting style with PC pins for soldering.