PK-27N36WQ

Overview

The PK-27N36WQ is a piezoelectric audio indicator manufactured by Mallory Sonalert Products Inc. It operates on a DC voltage range of 3 to 28VDC with a rated voltage of 12VDC and a current consumption of 15mA. The device emits a continuous tone at a frequency of 3.5kHz with a sound pressure level of 90dBA. It features wire lead termination and flange mount installation. The physical dimensions are 30mm in diameter and 10mm in height, weighing 4.8g.

Feature Summary

• Piezoelectric technology for reliable acoustic output
• Wide operating voltage range from 3VDC to 28VDC
• Flange mount design for secure panel integration
• Continuous single-tone signal generation

Applications

• Industrial equipment status indication
• Control panel alarm systems
• Medical device auditory alerts
• Transportation vehicle warning signals

Procurement Notes

Verify the specific model suffix against official Mallory Sonalert documentation to ensure correct voltage and acoustic specifications. Confirm that the wire lead termination type matches the system wiring requirements. Check RoHS compliance status if required by project regulations. Ensure the flange mount dimensions align with the enclosure cutout specifications before procurement.

Selection Notes

Select this component when a wide input voltage range is required without internal regulation constraints. The 30mm form factor suits standard industrial panel openings. The 90dBA output provides clear audibility in moderate noise environments. Consider the 15mA current draw for power budget calculations in low-power battery or limited supply applications.

Part Context

This part belongs to the PK series of piezoelectric indicators from Mallory Sonalert. The series is known for robust construction and consistent performance across various industrial and commercial applications. The PK series typically offers both constant and intermittent tone options with standardized mounting configurations for easy replacement in existing designs.

Replacement Considerations

PK-27N35WQ is a similar variant within the same series offering comparable acoustic and electrical characteristics with slight dimensional differences.