AT-1425-TWT-R

Overview

The AT-1425-TWT-R is an externally driven electromagnetic transducer manufactured by PUI Audio, Inc. It operates at a rated voltage of 1.5 V with a current rating of 30 mA. The device produces a sound pressure level of 85 dB at 1.5 V and has a resonant frequency of 2.5 kHz. It features a round shape with a diameter of 14 mm and a height of approximately 9.5 mm. The component utilizes through-hole solder pin termination for board mounting.

Feature Summary

• Externally driven electromagnetic transducer design
• Through-hole solder pin termination for PCB integration
• Round acoustic housing construction

Applications

• General purpose audio indication
• Electronic equipment status signaling
• Consumer appliance feedback systems

Procurement Notes

Verify the specific datasheet version for the AT-1425-TWT-R as some sources indicate this part number may be obsolete or superseded. Confirm mechanical dimensions and electrical ratings against the official manufacturer documentation before finalizing procurement to ensure compatibility with existing designs.

Selection Notes

Select this component for applications requiring a low-voltage, through-hole mounted electromagnetic buzzer. Ensure the driving circuit can supply the specified 30 mA current at 1.5 V. Verify that the 14 mm diameter fits within the available enclosure space and that the 2.5 kHz resonant frequency meets the audible requirement.

Part Context

This component belongs to the PUI Audio AT series of transducers. The series includes various electromagnetic and piezoelectric devices designed for audio indication. The AT-1425-TWT-R specifically represents the electromagnetic variant with through-hole mounting capabilities.

Replacement Considerations

Some sources list the AT-1425-TWT-R as obsolete. Check for direct replacements in the PUI Audio catalog or equivalent parts from other manufacturers with matching 1.5 V operation, 14 mm diameter, and through-hole pin configuration.