PKLCS1212E40A1-R1

Overview

The PKLCS1212E40A1-R1 is a surface-mount piezoelectric buzzer manufactured by Murata Electronics. It features a compact 12x12mm footprint with a height of 3mm. The device operates on an external drive method and is rated for a maximum voltage of ±12.5V. It produces a sound pressure level of 75dB at its resonant frequency of 4kHz. The component supports a wide operating temperature range from -40°C to +85°C, ensuring reliability in various environments.

Feature Summary

• Piezoelectric construction for reliable acoustic output
• Surface-mount design for automated PCB assembly
• Wide operational temperature tolerance for harsh conditions

Applications

• Automotive interior alert systems
• Industrial equipment status indicators
• Consumer electronics warning signals

Procurement Notes

Verify the specific suffix 'A1' against official Murata documentation to confirm exact acoustic characteristics, as variants within the same series may differ. Ensure the external driver circuit matches the ±12.5V rating. Confirm RoHS compliance status through current datasheets before finalizing procurement specifications.

Selection Notes

Select this component when a high-temperature resistant, low-profile piezoelectric buzzer is required. The 4kHz frequency provides distinct audibility. Compare against the PKLCS1212E4001-R1 if lower voltage operation or different SPL is acceptable. Verify package compatibility with existing PCB footprints.

Part Context

This part belongs to the PKLCS series of surface-mount piezoelectric buzzers. These components are designed for applications requiring robust audio signaling in limited spaces. The series offers various frequencies and voltage ratings to suit different electronic system requirements.

Replacement Considerations

PKLCS1212E4001-R1 is listed as a similar product. Verify electrical parameters and mechanical dimensions before substitution.