PL-27A35PSQ

Overview

The PL-27A35PSQ is an externally driven piezoelectric transducer manufactured by Mallory Sonalert Products Inc. It operates at a rated voltage of 12V with a supply current of 15mA and produces a sound pressure level of 95dB at a frequency of 3.5kHz. The device supports DC pulse and slow operating modes, functions within a temperature range of -20°C to 70°C, and utilizes through-hole mounting for integration into electronic assemblies.

Feature Summary

• Externally driven piezoelectric design
• Dual tone output capability
• Through-hole PCB mounting

Applications

• Industrial audible alerts
• Equipment notification systems
• Control panel indicators

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm exact electrical characteristics and mechanical dimensions. Ensure that the selected variant matches the required drive circuitry and mounting configuration for the target application before finalizing procurement orders.

Selection Notes

Select this component when an externally driven piezo transducer is required for high-volume audible signaling. Consider the 15mA current draw and 95dB acoustic output relative to the available drive voltage and ambient noise levels to ensure adequate audibility in the intended operational environment.

Part Context

This part belongs to the Mallory Sonalert piezoelectric transducer family, designed for reliable audible feedback in industrial and commercial electronics. It serves as a core component for generating distinct alert tones in systems requiring robust, long-lasting acoustic signaling without internal driver complexity.

Replacement Considerations

Consult official cross-reference data for direct substitutes. Verify compatibility regarding voltage ratings, acoustic output, and physical footprint before implementing any alternative components.