EM-23059-000

Microphones Overview

The Knowles EM-23059-000 is an omnidirectional electret condenser microphone designed for analog audio signal output. It operates within a supply voltage range of 0.9 V to 10 V and features a sensitivity of -52.5 dB ±4 dB at 74 dB SPL. The device exhibits an impedance of 4.4 kOhms and maintains a frequency response between 1 kHz and 6.4 kHz. It utilizes solder pads for surface mount termination, ensuring reliable integration into compact electronic assemblies requiring precise acoustic capture.

Microphones Feature Summary

• Omnidirectional polar pattern for uniform sound pickup from all directions
• Electret condenser transducer technology for high-fidelity analog output
• Wide operating voltage range supporting diverse circuit power supplies

Microphones Applications

• Consumer electronics audio input modules
• Voice recognition systems
• Portable recording devices

Microphones Procurement Notes

Verify component authenticity through authorized Knowles distributors or certified suppliers. Confirm RoHS compliance status prior to integration. Ensure storage conditions meet manufacturer specifications to preserve acoustic performance. Validate part markings against official datasheet documentation to prevent counterfeit substitution.

Microphones Selection Notes

Select this model when omnidirectional coverage is required in space-constrained designs. The wide voltage tolerance simplifies power management across varying system architectures. Consider the specific frequency response characteristics for voice-centric applications rather than full-range audio reproduction tasks.

Microphones Part Context

This component belongs to the Knowles EM series of microphones, which are widely utilized in portable audio equipment. The EM-23059-000 represents a standard configuration within this family, offering a balance of sensitivity and size suitable for modern mobile and embedded audio solutions.

Microphones Replacement Considerations

Check for direct pin-compatible substitutes within the same Knowles EM series. Verify that alternative components match the electrical parameters and physical dimensions before implementation.