EM-23369-C36

Microphones Overview

The Knowles EM-23369-C36 is an omnidirectional electret condenser microphone designed for surface-mount applications. It features a compact square footprint measuring 3.57 mm by 3.57 mm with a height of 2.21 mm. The device operates at a supply voltage of 1.3 V and draws a current rating of 50 uA. It delivers a sensitivity of -52 dB ±3dB referenced to 74 dB SPL, with an impedance of 5.5 kOhms. The frequency range spans from 100 Hz to 10 kHz, utilizing solder pad termination for integration into printed circuit boards.

Microphones Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• Compact surface-mount form factor suitable for space-constrained electronics
• Low power consumption profile optimized for portable devices

Microphones Applications

• Handheld communication devices
• Portable audio recording equipment
• Consumer electronic gadgets requiring integrated voice capture

Microphones Procurement Notes

Verify component authenticity through authorized Knowles distributors or certified suppliers. Confirm RoHS compliance status and specific lot traceability upon receipt. Ensure storage conditions align with manufacturer guidelines to preserve electromechanical integrity prior to assembly.

Microphones Selection Notes

Select this model when a low-profile, omnidirectional analog microphone is required for SMT assembly processes. Consider the 1.3 V operating voltage and 5.5 kOhm impedance against system bias requirements. Evaluate the 3.57 mm square package dimensions against available PCB real estate constraints.

Microphones Part Context

This component belongs to the Knowles electret condenser microphone family, specifically engineered for miniaturized audio solutions. It represents a standard analog output variant within the manufacturer's portfolio of MEMS and condenser microphones intended for mass-market consumer electronics.

Microphones Replacement Considerations

Cross-reference with other Knowles omnidirectional SMD microphones sharing identical 3.57 mm dimensions and -52 dB sensitivity levels. Verify pinout compatibility and acoustic port orientation before substituting with alternative part numbers.

Microphones FAQ

What is the specified frequency response range?

The frequency range is 100 Hz to 10 kHz.

How is the microphone terminated on the PCB?

It uses solder pads for surface-mount technology (SMT) termination.