AI-257

Alarms, Buzzers, And Sirens Overview

The AI-257 is a piezoelectric buzzer manufactured by PUI Audio, Inc., designed for through-hole mounting on printed circuit boards. It operates at a rated DC voltage of 12V and produces an acoustic output of 85 dBA at a frequency of approximately 3.1 to 3.2 kHz. The device features internally driven indicator driver circuitry, allowing direct connection to control signals without external drivers. This component is classified as obsolete in current product lines.

Alarms, Buzzers, And Sirens Feature Summary

• Piezoelectric technology for reliable audio indication
• Internally driven circuitry simplifies integration
• Through-hole mounting for secure PCB attachment

Alarms, Buzzers, And Sirens Applications

• General purpose alarm systems
• Industrial equipment status indicators
• Consumer appliance audio feedback

Alarms, Buzzers, And Sirens Procurement Notes

Verify availability carefully as the AI-257 is listed as obsolete by the manufacturer. Confirm lead times with authorized distributors or secondary market suppliers. Ensure compatibility with existing board layouts before ordering, as replacement components may require design adjustments due to the end-of-life status.

Alarms, Buzzers, And Sirens Selection Notes

Select this component only if legacy system maintenance requires exact form-factor retention. Evaluate alternative active buzzers from the same series for modern designs. Check pinout compatibility and acoustic requirements against current project specifications to ensure functional equivalence with newer available parts.

Alarms, Buzzers, And Sirens Part Context

Part of the AI series from PUI Audio, Inc., focusing on standard piezo buzzers. The AI-257 represents a specific voltage and frequency configuration within this broader family. Its obsolete status reflects typical lifecycle management in electronic component manufacturing, where newer iterations replace older models.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult distributor substitute lists for compatible active piezo buzzers. Verify that replacement parts match the 12V DC input and similar acoustic output levels. Ensure mechanical dimensions allow for direct replacement in existing through-hole footprints without modifying the PCB.

Alarms, Buzzers, And Sirens FAQ

Is the AI-257 currently in production?

No, the AI-257 is officially listed as an obsolete product by PUI Audio, Inc.

What type of driver circuitry does it use?

It utilizes internally driven indicator circuitry, requiring no external oscillator or driver components.