AT-2428-TWT-R

Overview

The AT-2428-TWT-R is a piezoelectric transducer manufactured by PUI Audio, designed for board mount applications. It features a round shape with solder pin termination and measures 24 mm in diameter and 12 mm in depth. The component operates within a temperature range of -20°C to +85°C. Key electrical specifications include a resonant frequency of 3 kHz and a sound pressure level of 92 dBA. It is rated for a peak-to-peak voltage of 12 Vpp.

Feature Summary

• Piezoelectric technology for reliable acoustic output
• Through-hole PCB mounting with solder pins
• Wide operational temperature capability

Applications

• Electronic device audio indicators
• Alarm system sounders
• Consumer appliance alerts

Procurement Notes

Verify the specific datasheet version for the AT-2428-TWT-R prior to ordering, as manufacturer specifications may undergo revisions. Confirm that the required 12 Vpp drive voltage aligns with your circuit design capabilities. Ensure the 24 mm diameter and 12 mm height dimensions fit within the designated enclosure space on the target printed circuit board layout.

Selection Notes

Select this model when a high-output piezoelectric solution is required for through-hole assembly processes. The 92 dBA rating supports applications needing clear audible signals without excessive power consumption. Consider the 3 kHz frequency for optimal human hearing sensitivity in alert scenarios compared to lower or higher frequency alternatives.

Part Context

This component belongs to the PUI Audio transducer family, which specializes in compact audio devices for industrial and consumer electronics. The AT series typically denotes piezoelectric elements optimized for standard PCB mounting configurations. This specific part number represents a mid-size round variant suitable for general-purpose signaling tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.