FFC-26863-I05

Speakers Overview

The Knowles FFC-26863-I05 is a side-port acoustic receiver designed for surface-mount board assembly. It operates within a frequency range of 200 Hz to 4.4 kHz and features an impedance of 845 Ohms. The device delivers a sound pressure level efficiency of 100 dBA. Constructed with solder pad terminations, it complies with RoHS3 standards and lead-free requirements. The physical dimensions are approximately 5.18 mm in length and 3.55 mm in width, suitable for compact electronic enclosures requiring high-fidelity audio output.

Speakers Feature Summary

• Side-port acoustic design for directional sound projection
• High efficiency sound pressure level output
• RoHS3 compliant lead-free construction
• Board mount configuration with solder pad terminations

Speakers Applications

• Medical instrumentation audio feedback
• Portable diagnostic equipment speakers
• Industrial control panel alerts
• Consumer electronics receivers

Speakers Procurement Notes

Verify the specific suffix designation against the manufacturer's current datasheet to ensure compatibility with required termination materials and environmental ratings. Confirm that the 845 Ohm impedance aligns with the driving circuit's output capabilities. Ensure the side-port orientation matches the mechanical enclosure design for optimal acoustic performance. Cross-reference the RoHS3 compliance status with regional regulatory requirements prior to final procurement authorization.

Speakers Selection Notes

Select this component when a high-efficiency, low-noise receiver is required for sensitive signal conditioning or clear audio feedback in space-constrained devices. The 845 Ohm impedance suits applications where higher voltage drive signals are available. Consider the side-port geometry for directing sound away from heat-generating components. Evaluate the 100 dBA sensitivity against ambient noise levels to ensure adequate audibility without excessive power consumption.

Speakers Part Context

This receiver belongs to Knowles' portfolio of precision acoustic transducers engineered for medical and industrial sectors. These components emphasize non-magnetic properties and reliability under strict thermal cycling conditions. The product line addresses the industry shift toward lead-free soldering processes while maintaining high Q-factor performance and stable electrical characteristics across the operating temperature range.

Speakers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify mechanical footprint compatibility if considering alternative manufacturers. Check impedance and sensitivity curves for functional equivalence.