AT-23

Overview

The AT-23 is a piezoelectric buzzer manufactured by PUI Audio, Inc. It operates at a resonant frequency of 3 kHz and delivers a sound pressure level of 90 dBA. The component features solder pin termination for secure circuit integration. It is designed to function within an operating temperature range of -30°C to +70°C. This device utilizes a through-hole mounting style suitable for standard PCB layouts.

Feature Summary

• Piezoelectric transduction technology
• Through-hole solder pin termination
• High sound pressure output

Applications

• Electronic alarm systems
• Audible warning indicators
• General purpose signaling devices

Procurement Notes

Verify the current manufacturing status before procurement as this part may be obsolete. Confirm that the 3 kHz frequency and 90 dBA rating meet specific acoustic requirements. Ensure the solder pin termination style aligns with the target printed circuit board design and assembly processes.

Selection Notes

Select this component when a high-decibel audible signal is required in compact designs. The 3 kHz resonance provides distinct audibility. Verify thermal tolerance against the operational environment limits. Consider the through-hole form factor for robust mechanical attachment during vibration-prone applications.

Part Context

This buzzer belongs to the audio transducer category produced by PUI Audio, Inc. The manufacturer specializes in innovative audio components including speakers and sirens. The AT-23 represents a standard piezoelectric solution for basic signaling needs within their broader portfolio of electronic audio devices.

Replacement Considerations

Public confirmed substitute part numbers are not available. The component is listed as obsolete and no longer manufactured. Designers must evaluate alternative piezoelectric buzzers with similar 3 kHz frequency and termination styles.