EK-27263-A21

Microphones Overview

The Knowles EK-27263-A21 is an electret condenser microphone featuring an omnidirectional polar pattern and analog output. It operates within a frequency range of 100 Hz to 10 kHz. The device has a sensitivity of -53dB ±2dB referenced at 74dB SPL. Physical dimensions are 5.56 mm in length, 3.98 mm in width, and 2.21 mm in height. It utilizes solder pads for mounting.

Microphones Feature Summary

• Omnidirectional acoustic pickup pattern
• Electret condenser transducer technology
• Analog signal output interface

Microphones Applications

• General purpose audio recording
• Voice recognition systems
• Consumer electronic devices requiring compact microphones

Microphones Procurement Notes

Verify the specific revision suffix against official Knowles documentation to ensure compatibility with required environmental standards. Confirm that the analog output impedance matches the input requirements of the target circuitry. Ensure the physical footprint aligns with the printed circuit board layout constraints.

Microphones Selection Notes

Select this component when an omnidirectional response is necessary for ambient sound capture. The analog output requires appropriate biasing circuits. Consider the specified sensitivity level relative to the expected sound pressure levels in the application environment to ensure adequate signal-to-noise ratio.

Microphones Part Context

This model belongs to the Knowles electret condenser microphone series designed for space-constrained applications. It provides a standardized form factor suitable for integration into various consumer electronics and audio equipment where consistent acoustic performance is required.

Microphones Replacement Considerations

Consult official Knowles substitution guides for verified equivalents. Cross-reference pinout configurations and electrical characteristics carefully before replacing.