ASI09N40MTRQ

Overview

The ASI09N40MTRQ is a surface-mount piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates on a DC voltage range of 2.5V to 5.5V with a supply current of 2mA. The device generates an acoustic output of 80dB at 5V measured from a distance of 10cm, with a fundamental frequency of 4kHz. It utilizes solder pads for board termination and is designed for continuous operation modes.

Feature Summary

• Internally driven piezoelectric technology for simplified circuit integration
• Surface-mount package configuration optimized for automated PCB assembly
• Low power consumption suitable for battery-operated portable devices

Applications

• Portable consumer electronics audio indicators
• Medical device status signaling
• Industrial control panel alerts

Procurement Notes

Verify the specific suffix designation against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS compliance status. Ensure the selected variant matches the required operating voltage and acoustic output specifications for the target application environment.

Selection Notes

Select this component when a low-profile, surface-mount audible indicator is required for compact electronic assemblies. Consider the 80dB acoustic output and 4kHz frequency as primary selection criteria for clear alerting in moderate noise environments without excessive power draw.

Part Context

This part belongs to the Mallory Sonalert family of piezoelectric buzzers, which are widely recognized for reliability in industrial and medical applications. The series offers various mounting options and acoustic profiles to meet diverse warning signal requirements across multiple sectors.

Replacement Considerations

Consult the official Mallory cross-reference documentation for verified substitutes. Direct replacements must match the surface-mount footprint, electrical characteristics, and acoustic performance parameters.