AST1440MAQ

Overview

The AST1440MAQ is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates at a frequency of 4 kHz with an external drive configuration. The device features SMD/SMT termination and measures 14 mm x 15 mm x 4.5 mm. It delivers a sound pressure level of 75 dB.

Feature Summary

• Piezoelectric transducer technology for audio indication
• External drive circuit requirement
• Surface mount (SMD/SMT) termination style

Applications

• Industrial equipment status indicators
• Consumer electronics audio alerts
• Transportation system signaling

Procurement Notes

Verify the specific suffix designation against official Mallory Sonalert documentation to confirm exact electrical parameters and physical dimensions. Ensure compatibility with surface mount assembly processes. Confirm RoHS compliance status through current manufacturer certificates before procurement.

Selection Notes

Select this component when a compact, high-frequency piezoelectric indicator is required for surface mount applications. The external drive design necessitates integration with a separate oscillator or microcontroller output stage. Evaluate spatial constraints against the 14x15mm footprint and 4.5mm height profile.

Part Context

This part belongs to the AST series of piezoelectric buzzers from Mallory Sonalert. The series focuses on miniaturized audio solutions suitable for dense PCB layouts. The AST1440MAQ represents a standard frequency option within this product line, designed for general-purpose audible alerting in electronic assemblies.

FAQ

Is the AST1440MAQ internally driven?

No, the AST1440MAQ requires an external drive signal source.

What is the operating frequency of this buzzer?

The operating frequency is 4 kHz.