FG38-30687-P121

Microphones Overview

The FG38-30687-P121 is an omnidirectional electret condenser microphone manufactured by Knowles. It features a compact cylindrical form factor with a diameter of 2.56 mm and a length of 2.56 mm. The device provides premium audio performance suitable for applications requiring high-quality sound capture in constrained spaces.

Microphones Feature Summary

• Omnidirectional directional properties for uniform sound pickup from all angles
• Compact 2.56 mm x 2.56 mm cylindrical package design
• Electret condenser transducer technology

Microphones Applications

• Audio devices requiring premium sound quality
• Products necessitating small form factor microphones
• Applications demanding RFI/EMI suppression capabilities

Microphones Procurement Notes

Verify the specific datasheet version to confirm exact electrical parameters such as sensitivity and impedance, as these values are not provided in the available summary data. Ensure the RoHS compliance status matches your manufacturing requirements, noting that some sources indicate lead-free compliance while others may vary. Confirm mechanical mounting details and interface compatibility with your circuit design before finalizing procurement.

Microphones Selection Notes

Select this component when space constraints require a sub-3mm diameter microphone with omnidirectional characteristics. It is appropriate for designs prioritizing audio fidelity over cost-sensitive mass production where standard consumer-grade microphones might suffice. Consider the internal damping options if specific frequency response shaping is required for the target application environment.

Microphones Part Context

This part belongs to Knowles' portfolio of miniature electret condenser microphones. The FG38 series is engineered for integration into portable electronics and compact audio systems. The P121 suffix typically denotes specific packaging or terminal configuration variants within the broader FG38 family, distinguishing it from other size or performance tiers offered by the manufacturer.

Microphones Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult official Knowles resources or authorized distributors for validated cross-reference lists ensuring identical acoustic and electrical specifications.