AST0927ME-05Q

Overview

The AST0927ME-05Q is a surface-mount magnetic buzzer manufactured by Mallory Sonalert Products Inc. It operates at a rated voltage of 5 V with a current consumption of 80 mA. The device produces an acoustic output of 85 dB at 10 cm and functions at a frequency of 2.731 kHz. Its compact dimensions are 8.7 x 8.7 mm, utilizing solder pads for termination.

Feature Summary

• Externally driven magnetic transducer technology
• Surface mount package design for automated assembly
• High acoustic output relative to physical size

Applications

• Compact electronic equipment requiring visual and audible alerts
• Portable devices with limited board space
• Industrial control panels with surface-mount requirements

Procurement Notes

Verify the specific suffix 'ME' against official Mallory documentation to confirm exact acoustic tuning and material composition. Ensure PCB footprint matches the 8.7 x 8.7 mm outline. Confirm RoHS compliance status through the manufacturer's current certification documents before finalizing procurement specifications.

Selection Notes

Select this component when external drive circuitry is available and surface-mount integration is required. Compare the 85 dB SPL and 2.731 kHz frequency against system audibility requirements. Evaluate the 80 mA current draw against power budget constraints. Consider the 5 V operating voltage compatibility with existing logic levels.

Part Context

This part belongs to the Mallory Sonalert magnetic buzzer family, designed for high-reliability audio signaling. Unlike internally driven piezoelectric models, this unit requires an external oscillator signal. It serves as a direct replacement for legacy through-hole units in modern surface-mount designs where space optimization is critical.

Replacement Considerations

Cross-reference with SST0927ME-05Q or similar Same Sky equivalents if sourcing from alternative distributors. Verify pinout compatibility and mechanical height restrictions against the original design specifications.