PF-27N36PSQ

Overview

The PF-27N36PSQ is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates within a voltage range of 3 to 28 volts DC and features a 30 mm diameter design suitable for through-hole mounting. The component utilizes internal drive circuitry for self-excited operation, eliminating the need for external oscillators. It provides audible indication with a sound pressure level of 88 dB at 10 cm when driven at 12 volts. The unit employs solder pin termination for secure board integration.

Feature Summary

• Self-excited piezoelectric transducer with integrated drive circuitry
• Wide operating voltage range supporting 3V to 28V DC input
• Through-hole mounting configuration with solder pin terminations
• High acoustic output capability for clear audible alerts

Applications

• Industrial control panel status indicators
• Medical equipment alarm systems
• Consumer appliance notification signals
• Transportation vehicle warning circuits

Procurement Notes

Verify that the specific order matches the PF-27N36PSQ part number exactly. Confirm the voltage rating aligns with the system's power supply capabilities, noting the 3V to 28V operational window. Ensure the PCB layout accommodates the 30 mm diameter and through-hole solder pin spacing. Check for any required certifications relevant to the target market, such as UL or RoHS compliance, before finalizing procurement.

Selection Notes

Select this component when a wide voltage tolerance is required without external driving electronics. The through-hole format offers robust mechanical stability compared to surface-mount alternatives. Consider the 88 dB acoustic output for environments requiring distinct auditory feedback. Evaluate the physical dimensions against available panel space to ensure proper fitment within the enclosure design constraints.

Part Context

This device belongs to the audio indicator category, specifically designed as a piezoelectric buzzer. Mallory Sonalert Products Inc. produces these components for reliable signal generation in various electronic systems. The product line emphasizes durability and consistent performance across diverse environmental conditions, serving as a standard solution for audible alerting needs in professional applications.

Replacement Considerations

No direct public substitute part numbers are documented for this specific model. When replacing, verify that alternative piezoelectric buzzers match the 30 mm diameter, through-hole pin configuration, and 3V-28V operating range. Ensure the replacement maintains equivalent acoustic output levels and mounting compatibility to preserve system functionality.