MSE28MDT7

Alarms, Buzzers, And Sirens Overview

The MSE28MDT7 is a piezoelectric buzzer from the MSE series by Mallory Sonalert. It operates on DC input within a voltage range of 20 to 28 VDC. The device draws a supply current of 50 mA and produces an 85 dB sound pressure level at 20 V measured at 30 cm. It generates a dual-tone warble sound with frequencies between 3.8 kHz and 3.7 kHz, pulsing at 7 times per second. The unit features through-hole PC pin termination for panel or board mounting.

Alarms, Buzzers, And Sirens Feature Summary

• Generates a dual-tone warble acoustic signal
• Includes internal drive circuitry for direct connection
• Designed for through-hole PC pin installation

Alarms, Buzzers, And Sirens Applications

• Industrial equipment status indication
• Medical device alarm systems
• Transportation vehicle warning signals

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific part number against official Mallory Sonalert documentation to confirm electrical ratings and acoustic characteristics. Ensure the selected component matches the required voltage range and mounting style for the target application. Cross-reference datasheet specifications for environmental operating limits before finalizing procurement decisions.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a high-intensity audible alert with internal driving capability is required. The through-hole PC pin configuration suits standard PCB assembly processes. Consider the 85 dB output and dual-tone pattern for environments requiring distinct auditory warnings. Verify compatibility with the system's DC power supply voltage constraints.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the MSE series of piezoelectric buzzers manufactured by Mallory Sonalert Products Inc. The series is characterized by integrated driver circuits and robust construction suitable for demanding industrial and medical applications. These devices provide reliable audio signaling without requiring external oscillator components.

Alarms, Buzzers, And Sirens FAQ

What type of sound does the MSE28MDT7 produce?

It produces a dual-tone warble sound with frequencies ranging from 3.8 kHz to 3.7 kHz.

Does the MSE28MDT7 require an external driver?

No, it includes internal drive circuitry allowing for direct connection to the power source.