AI-3120D

Overview

The AI-3120D is an industrial-grade piezoelectric buzzer manufactured by PUI Audio. It operates at a rated voltage of 12 VDC and produces a continuous tone at a frequency of 3200 Hz. The device achieves a sound pressure level of 90 dBA, providing high-volume acoustic signaling suitable for demanding environments. It utilizes solder pin termination for through-hole mounting on printed circuit boards.

Feature Summary

• Industrial-grade construction designed for robust performance in harsh conditions
• Piezoelectric transducer technology for reliable self-drive operation
• High-intensity acoustic output capability for clear audible alerts

Applications

• Industrial automation control panels
• Factory machinery status indicators
• Commercial security system alarms
• Heavy-duty equipment warning signals

Procurement Notes

Verify component availability carefully as the AI-3120D is listed with a discontinued lifecycle status. Current supply may be limited to existing stock or last-time buy quantities from authorized distributors. Confirm lead times and minimum order requirements directly with suppliers before finalizing procurement plans to ensure project continuity.

Selection Notes

Select this component when high-volume acoustic signaling is required in industrial settings. The 12 VDC rating and 90 dBA output make it suitable for noisy environments where standard buzzers may be insufficient. Ensure the application circuit supports the specific voltage and current requirements for reliable piezoelectric actuation.

Part Context

This part belongs to PUI Audio's line of audio indicators and alerts. The manufacturer specializes in electro-mechanical and piezo-ceramic transducers for medical, industrial, security, and consumer markets. The AI series typically focuses on durable, high-performance solutions for technically demanding applications requiring precise acoustic characterization.

Replacement Considerations

Due to the discontinued status, direct substitutes must be sourced from remaining inventory or equivalent industrial-grade piezoelectric buzzers with matching 12 VDC ratings and similar acoustic output levels. Verify mechanical dimensions and pin configurations to ensure compatibility with existing PCB layouts.