EM-24446-C36

Microphones Overview

The Knowles EM-24446-C36 is an omnidirectional electret condenser microphone designed for surface mount technology applications. It features a compact footprint measuring 3.57 mm in length and width, 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. Key electrical specifications include an impedance of 4.4 kOhms and a sensitivity of -56 dBA. This component belongs to the EM/BEM series and is suitable for audio devices requiring low-power, high-reliability sound capture.

Microphones Feature Summary

• Omnidirectional acoustic response for uniform sound pickup from all directions
• Surface mount (SMD/SMT) termination style for automated PCB assembly
• Low power consumption with 50 uA current rating and 1.3 V operating voltage

Microphones Applications

• Consumer electronics audio input modules
• Portable communication devices
• IoT sensor nodes requiring voice activation

Microphones Procurement Notes

Verify the specific suffix C36 against official Knowles documentation to confirm exact packaging and tape-and-reel specifications. Ensure compatibility with SMD reflow profiles and check RoHS/REACH compliance status directly from the manufacturer datasheet before integration into production lines.

Microphones Selection Notes

Select this model when space constraints require a 3.57 x 3.57 mm form factor. Consider the -56 dBA sensitivity and 4.4 kOhm impedance for preamplifier matching. Verify that the 1.3 V supply voltage aligns with the target system's power budget and signal-to-noise requirements.

Microphones Part Context

This microphone is part of the Knowles EM/BEM series, which focuses on miniaturized audio solutions. The EM-24446-C36 specifically targets applications needing reliable omnidirectional performance in a small package. It complements other components in the same family by offering standardized electrical characteristics for easy design-in across various audio product lines.

Microphones Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material.