FED-27235-I04

Speakers Overview

The Knowles FED-27235-I04 is a balanced armature receiver designed for compact audio applications. It features a side port location and operates within a frequency range of 200 Hz to 4 kHz. The component exhibits an impedance of 1.54 kOhms and delivers an efficiency of 103 dBA. Its physical dimensions are approximately 6.30mm x 4.29mm with a maximum seated height of 3.02mm, utilizing solder pad termination.

Speakers Feature Summary

• Compact rectangular form factor suitable for space-constrained designs
• High acoustic efficiency for clear audio output
• Side port configuration for directional sound projection

Speakers Applications

• Hearing aids
• Bone conduction devices
• Medical monitoring equipment

Speakers Procurement Notes

Verify the specific suffix I04 against the manufacturer's current datasheet to confirm terminal configuration and magnetic material specifications. Ensure compatibility with existing PCB footprints, as dimensional tolerances may vary slightly between documentation versions. Cross-reference impedance values with circuit requirements before finalizing procurement orders.

Speakers Selection Notes

Select this component when high sensitivity is required in a minimal footprint. The 1.54 kOhm impedance necessitates appropriate driver matching. Consider the side port orientation during mechanical layout planning. Validate thermal performance under continuous operation conditions relative to the target enclosure design constraints.

Speakers Part Context

This model belongs to Knowles' series of miniature balanced armature receivers. These components are engineered for high-fidelity audio reproduction in wearable and medical electronics. The design prioritizes acoustic performance while maintaining a low profile to fit into tight spatial envelopes typical of modern portable health devices.

Speakers Replacement Considerations

Consult official substitution lists for direct equivalents. Verify pinout compatibility and acoustic parameters before integrating alternative parts. Generic replacements may differ in impedance or frequency response characteristics.