EM-23046-000

Microphones Overview

The Knowles EM-23046-000 is an omnidirectional electret condenser microphone designed for analog audio applications. It operates within a supply voltage range of 0.9V to 10V, with a typical operating point of 1.3V. The device features a sensitivity of -56dB ±3dB referenced at 74dB SPL and presents an impedance of 4.4 kΩ. It draws a current rating of 50 µA. The component utilizes SMD/SMT termination and measures 3.57 mm in length and width, with a depth of 2.21 mm.

Microphones Feature Summary

• Omnidirectional acoustic response for uniform sound capture from all directions
• Electret condenser transducer technology for analog signal output
• Low power consumption suitable for battery-operated portable devices

Microphones Applications

• Portable consumer electronics requiring compact audio input
• Voice recognition systems utilizing analog microphone interfaces
• General-purpose audio recording devices

Microphones Procurement Notes

Verify the specific suffix code against official Knowles documentation to confirm exact electrical tolerances and packaging specifications. Confirm availability status as this part may be obsolete or subject to lifecycle changes. Ensure compatibility with existing PCB footprints and soldering profiles before integration into new designs.

Microphones Selection Notes

Select this component when an omnidirectional analog microphone with low voltage operation is required. Consider the 4.4 kΩ impedance and -56dB sensitivity for circuit matching. Evaluate the small square footprint dimensions for space-constrained layouts. Verify that the operating voltage range aligns with the system power supply architecture.

Microphones Part Context

This microphone belongs to the Knowles EM series of electret condenser microphones. These components are engineered for high reliability and consistent performance in mass-produced electronic devices. The series typically offers standardized form factors to facilitate easy replacement and design iteration across various product lines.

Microphones Replacement Considerations

Check for direct substitutes such as the EM-23346-C54, which shares similar physical dimensions and omnidirectional characteristics. Verify that any replacement maintains the required sensitivity and impedance levels to ensure circuit compatibility without redesign.