WBFK-31142-000

Overview

The WBFK-31142-000 is a rectangular receiver speaker manufactured by Knowles. It operates with an impedance of 13.8 Ohms and features a frequency response range from 200 Hz to 8.05 kHz. The component is designed for surface-mount applications and is supplied in bulk packaging. It complies with RoHS standards, ensuring adherence to environmental regulations for electronic components.

Feature Summary

• Rectangular form factor suitable for compact device integration
• Designed as a receiver speaker for audio output applications
• RoHS compliant construction

Applications

• Mobile communication devices
• Portable audio equipment
• Handheld electronic instruments

Procurement Notes

Verify the specific impedance value of 13.8 Ohms against circuit requirements. Confirm the frequency response range of 200 Hz to 8.05 kHz matches the intended audio application. Ensure compatibility with surface-mount assembly processes. Check for current RoHS compliance documentation before finalizing procurement.

Selection Notes

Select this component when a rectangular receiver speaker is required for space-constrained designs. The 13.8 Ohm impedance should align with the driving circuit's output capabilities. Consider the limited low-frequency response starting at 200 Hz when evaluating audio performance needs for voice or notification signals.

Part Context

This part belongs to the Knowles speakers and transducers portfolio. It is categorized under audio devices specifically designed for receiver functions. The manufacturer provides technical datasheets detailing electrical characteristics and mechanical dimensions for engineering reference.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify mechanical footprint and electrical parameters with alternative components if substitution is necessary.