EM-27580-C36

Microphones Overview

The EM-27580-C36 is an omnidirectional electret condenser microphone manufactured by Knowles. It features a sensitivity of -57 dBA and operates at a current rating of 50 uA with a supply voltage of 1.3 VDC. The device has an impedance of 4.4 kOhms and utilizes SMD/SMT termination. Its physical dimensions are 3.57 mm in length, 3.57 mm in width, and 2.21 mm in depth.

Microphones Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture
• Electret condenser technology for analog audio signal output
• Surface-mount design suitable for compact electronic assemblies

Microphones Applications

• Analog audio capture in portable devices
• Voice input modules in consumer electronics
• Compact recording equipment

Microphones Procurement Notes

Verify the specific sensitivity variant, as sources indicate values of -54.5 dBA and -57 dBA. Confirm the operating voltage matches system requirements of 1.3 VDC. Ensure the SMD/SMT package dimensions align with PCB layout constraints. Check RoHS compliance status through official documentation before integration.

Microphones Selection Notes

Select this component for applications requiring a low-profile, omnidirectional microphone with analog output. The small footprint supports space-constrained designs. Verify that the required sensitivity level meets the target application's noise floor specifications. Ensure the power supply can provide the necessary 50 uA bias current.

Microphones Part Context

This microphone belongs to the EM/BEM series from Knowles, designed for audio devices. It is part of a family of miniature microphones intended for integration into various electronic systems requiring reliable sound detection.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult manufacturer documentation for direct replacements or compatible alternatives within the same series.