EJ-23021-000

Speakers Overview

The Knowles EJ-23021-000 is a high-performance electret condenser microphone capsule designed for precision audio capture. It features a back-electret design with a 6mm diaphragm diameter, providing consistent sensitivity and low noise performance. The component utilizes a standard two-wire configuration suitable for various analog audio interfaces. Its compact form factor allows for integration into space-constrained electronic devices requiring reliable sound pickup capabilities.

Speakers Feature Summary

• Back-electret condenser technology for stable acoustic performance
• Compact cylindrical package optimized for embedded integration
• Two-wire interface simplifying circuit board layout

Speakers Applications

• Consumer electronics audio input modules
• Industrial voice recognition systems
• Medical device acoustic sensors

Speakers Procurement Notes

Verify the specific datasheet revision and manufacturing date code upon ordering to ensure compatibility with current production standards. Confirm mechanical dimensions and electrical tolerances match the target application requirements before finalizing procurement decisions.

Speakers Selection Notes

Select this component when a reliable, cost-effective electret microphone is required for general-purpose audio applications. Ensure the host circuit provides appropriate bias voltage and impedance matching for optimal signal-to-noise ratio performance.

Speakers Part Context

This part belongs to Knowles' broad portfolio of acoustic components, specifically within their electret microphone series. These components are engineered for mass-market consumer and industrial applications where consistent audio quality and durability are essential.

Speakers Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and acoustic specifications before replacing existing units in established designs.