AT-1220-TT-R

Overview

The AT-1220-TT-R is a through-hole piezoelectric transducer manufactured by PUI Audio. It operates at a self-resonant frequency of 2.048 kHz with an acoustic output of 85 dBA. The device accepts a voltage range of 1 to 3 V and draws a current of 15 mA. Its physical dimensions are 12 mm in diameter and 8.5 mm in height, utilizing solder pin termination for PCB mounting.

Feature Summary

• Piezoelectric sound generation mechanism
• Through-hole surface mounting capability
• External piezo buzzer design

Applications

• Audio indicators
• Alert systems
• Consumer electronics

Procurement Notes

Verify the specific datasheet version for the AT-1220-TT-R to confirm exact electrical tolerances and mechanical drawings. Ensure compatibility with existing PCB footprints and drive circuits before integration. Cross-reference manufacturer documentation for any recent updates to RoHS compliance or material specifications.

Selection Notes

Select this component when a compact, low-power audible alert is required. The 12 mm form factor suits space-constrained designs. Verify that the driving circuit can supply the necessary 15 mA current at the specified voltage range to achieve the rated 85 dBA output level effectively.

Part Context

This part belongs to PUI Audio's line of audio indicators and transducers. The company specializes in custom and standard audio solutions for industrial, medical, and consumer markets. This specific model represents a standard piezoelectric buzzer option within their broader portfolio of sound components.

Replacement Considerations

No public substitute part numbers are confirmed for this specific component.

FAQ

What is the operating frequency of the AT-1220-TT-R?

The self-resonant frequency is 2.048 kHz.

What is the maximum voltage rating?

The device operates within a voltage range of 1 to 3 V.