MR-23151-000

Microphones Overview

The Knowles MR-23151-000 is an analog electret condenser microphone designed for omnidirectional sound pickup. It features a sensitivity of -87.5 dB ±3 dB at 74 dB SPL and operates within a frequency range of 280 Hz to 5 kHz. The device has an impedance of 300 Ohms and utilizes wire lead termination. With an outer diameter of 22.12 mm and a length of 9.3 mm, it offers a compact form factor suitable for various audio applications requiring reliable acoustic transduction.

Microphones Feature Summary

• Omnidirectional polar pattern for consistent sound capture from all directions
• Electret condenser technology for stable analog signal output
• Wire lead termination style for direct circuit integration

Microphones Applications

• General purpose audio recording devices
• Voice recognition systems
• Consumer electronic audio interfaces

Microphones Procurement Notes

Verify the specific datasheet version with the manufacturer or authorized distributor to confirm current electrical tolerances and mechanical dimensions. Ensure compatibility with existing bias voltage requirements and pre-amplifier input impedance matching before finalizing procurement decisions.

Microphones Selection Notes

Select this component when an omnidirectional response is required for broad-spectrum audio capture. Consider the 300 Ohm impedance and -87.5 dB sensitivity against system noise floor requirements. Verify that the wire lead termination fits the assembly constraints compared to surface mount alternatives.

Microphones Part Context

This part belongs to the MR series of microphones from Knowles Electronics. The series typically includes various configurations of electret condenser microphones tailored for different directivity and packaging needs within consumer and industrial audio markets.

Microphones Replacement Considerations

Consult official substitution lists for equivalent omnidirectional electret microphones with similar sensitivity and impedance characteristics. Cross-reference mechanical dimensions to ensure fitment in existing enclosures.