PKD-27A30EWQ

Overview

The PKD-27A30EWQ is an industrial-grade piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates on a DC voltage range of 3 to 15V and produces a continuous tone at a frequency of 3kHz. The device delivers a sound pressure level between 80dB and 100dB. Its physical dimensions are 32mm in length and 24mm in width, designed for flange mounting with wire lead termination.

Feature Summary

• Industrial-grade construction suitable for demanding environments
• Internal driver circuitry for direct connection applications
• Piezoelectric technology ensuring reliable acoustic output

Applications

• Industrial machinery status indicators
• Control panel audible alerts
• Equipment fault signaling systems

Procurement Notes

Verify the specific part number suffix against official Mallory Sonalert documentation to confirm exact electrical ratings and mechanical configurations. Ensure the selected variant matches the required operating voltage and mounting style for the target application. Cross-reference datasheets for environmental certifications and compliance standards before finalizing procurement decisions.

Selection Notes

Select this component when a robust, internally driven audio indicator is required for industrial settings. Consider the wide input voltage range and high sound pressure capabilities for noisy environments. Evaluate the flange mounting option and wire lead termination for ease of integration into existing control assemblies without additional hardware modifications.

Part Context

This model belongs to the PKD series of industrial buzzers from Mallory Sonalert. The series is characterized by durable piezoelectric elements and integrated drive circuits. These components are engineered for consistent performance in harsh conditions, providing clear audible feedback for critical system operations and safety warnings.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.