PKM22EPPH4007-B0

Overview

The Murata PKM22EPPH4007-B0 is a piezoelectric buzzer component designed for through-hole mounting. It operates with an external drive circuit and delivers a continuous tone at a maximum frequency of 4 kHz. The device supports a maximum power supply voltage of 25V and achieves a sound pressure level of 75 dB. It features a compact height of 7 mm and is rated for operation up to a maximum temperature of 70°C. This audio indicator complies with RoHS standards, ensuring suitability for environmentally conscious electronic assemblies requiring reliable acoustic signaling.

Feature Summary

• Piezoelectric construction for efficient acoustic generation
• External drive capability for flexible control integration
• Through-hole installation for robust PCB attachment

Applications

• Electronic appliance status indicators
• Industrial equipment alarm systems
• Consumer electronics audio alerts

Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical characteristics and mechanical dimensions. Ensure the selected variant matches the required drive voltage and acoustic output specifications for the target application. Cross-reference the manufacturer part number with current datasheets to validate availability and compliance status before finalizing procurement orders.

Selection Notes

Select this component when a through-hole piezoelectric buzzer with external drive functionality is required. Consider the 75 dB sound pressure level and 4 kHz operating frequency to ensure adequate audibility in the intended environment. Verify that the 25V maximum voltage rating aligns with the system's power supply constraints and that the 70°C maximum operating temperature meets the environmental requirements.

Part Context

This component belongs to the Murata PK series of piezoelectric buzzers, which are widely used for audio indication in various electronic devices. The series offers different mounting styles and acoustic outputs to suit diverse design needs. As a through-hole device, it provides mechanical stability and ease of assembly for applications where surface-mount options are not preferred or feasible.

Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Ensure any replacement maintains compatible drive voltage, acoustic performance, and physical footprint specifications.