AT-1220-TT-9-R

Overview

The AT-1220-TT-9-R is an externally driven electromagnetic transducer manufactured by PUI Audio, Inc. It operates within a voltage range of 3 V to 5 V and draws a current of 35 mA. The device produces a single tone at a frequency of 2.048 kHz with a sound pressure level of 85 dBA. Designed for through-hole mounting, this component features a 12 mm diameter form factor suitable for PCB integration.

Feature Summary

• Electromagnetic transducer technology for reliable acoustic output
• Externally driven operation mode for flexible circuit control
• Through-hole mounting style for secure PCB attachment

Applications

• Electronic alarm systems requiring audible alerts
• Appliance status indication circuits
• Industrial equipment warning signals

Procurement Notes

Verify the specific electrical parameters against the official manufacturer datasheet before integration. Confirm that the through-hole footprint matches the target PCB layout. Ensure the operating voltage range aligns with the system power supply to prevent damage or insufficient performance. Check RoHS compliance requirements if applicable to the final product assembly.

Selection Notes

Select this component when a magnetic buzzer with a fixed 2.048 kHz tone is required. The 3 V to 5 V operating range offers compatibility with standard logic levels. Consider the 85 dBA output level for environments where moderate volume is sufficient. The through-hole design may be preferred over surface mount options for mechanical stability in high-vibration applications.

Part Context

This part belongs to the AT series of electromagnetic buzzers from PUI Audio, Inc. These components are designed as simple, cost-effective audio signaling devices. The series typically includes various voltage and frequency combinations to suit different application needs while maintaining a consistent physical footprint and mounting style.

Replacement Considerations

Direct substitutes include other PUI Audio models such as the AT-1220-TT-R, which shares similar dimensions but may differ in voltage specifications. Cross-brand replacements require matching the 12 mm diameter, 2.048 kHz frequency, and through-hole pin configuration to ensure mechanical and electrical compatibility.