PL-27N36WQ

Overview

The PL-27N36WQ is a piezoelectric audio indicator manufactured by Mallory Sonalert Products Inc. It operates on a DC voltage range of 3 to 28 VDC with a nominal rating of 12 VDC. The device produces a continuous tone at a frequency of 3500 Hz (3.5 kHz). It features wire lead termination and flange mount installation style. The unit measures 30 mm in diameter and 16 mm in height, weighing approximately 6.8 g. It delivers a sound pressure level between 88 and 106 dBA at 1 foot.

Feature Summary

• Self-drive piezoelectric technology for reliable audio indication
• Wide operating voltage range from 3 VDC to 28 VDC
• Flange mount design with wire lead connections
• Continuous single-tone output capability

Applications

• Industrial panel alarms
• Medical equipment indicators
• Transportation system alerts
• Consumer electronics status signals

Procurement Notes

Verify the specific suffix against official Mallory Sonalert documentation to confirm exact acoustic and electrical characteristics. Ensure the required mounting hardware matches the flange specification. Confirm RoHS compliance status through the manufacturer's current datasheet before integration into regulated environments.

Selection Notes

Select this component when a wide input voltage range is required without external regulation. The 30 mm form factor suits standard panel cutouts. Verify that the continuous tone requirement aligns with the application's safety or notification protocols. Check ambient noise levels to ensure the specified dBA range provides adequate audibility.

Part Context

This part belongs to the PK/PL series of piezoelectric buzzers from Mallory Sonalert. These devices are designed for general-purpose audible signaling in various electronic systems. The series is known for robust construction and consistent performance across industrial and commercial applications.

Replacement Considerations

Consult Mallory Sonalert official substitution guides for direct equivalents. Generic replacements may not match the specific voltage tolerance or acoustic profile. Verify pinout and mounting dimensions before considering alternative brands.