EM-30081-C36

Microphones Overview

The Knowles EM-30081-C36 is a miniature electret condenser microphone designed for high-fidelity audio capture in compact electronic devices. It features a back-electret design with an integrated JFET impedance converter, providing low noise and high sensitivity. The component utilizes a standard 2-pin surface-mount package, facilitating automated assembly and space-efficient PCB layout. Its acoustic performance is optimized for voice recognition and general audio recording applications requiring consistent frequency response.

Microphones Feature Summary

• Back-electret condenser transducer technology for stable acoustic performance
• Integrated JFET impedance converter for direct signal interfacing
• Miniature surface-mount form factor suitable for tight spatial constraints

Microphones Applications

• Mobile communication handsets
• Voice recognition modules
• Portable digital audio recorders

Microphones Procurement Notes

Verify the specific suffix codes against official Knowles documentation to ensure correct polarity, sensitivity grading, and acoustic port configuration. Confirm RoHS compliance status and lead-free soldering requirements prior to integration into manufacturing processes.

Microphones Selection Notes

Evaluate the required operating voltage range and bias current limitations of the host circuit against the microphone's electrical specifications. Ensure the mechanical mounting interface aligns with the PCB footprint dimensions and that the acoustic path allows for proper sound wave transmission to the diaphragm.

Microphones Part Context

This model belongs to Knowles' line of miniature electret microphones, engineered for consumer electronics where size and cost are critical factors. The series emphasizes reliability and consistent performance across varying environmental conditions, supporting mass production needs for global device manufacturers.

Microphones Replacement Considerations

Cross-reference with other Knowles EM-series variants such as EM-30081-B36 or EM-30081-D36 for potential pin-compatible alternatives. Verify that any substitute maintains identical acoustic sensitivity and electrical characteristics to prevent system redesign.