EM-24046-000

Microphones Overview

The Knowles EM-24046-000 is an omnidirectional electret condenser microphone designed for analog audio applications. It operates within a supply voltage range of 0.9 V to 10 V and features a sensitivity of -56 dB ±3 dB at 74 dB SPL. The device has an impedance of 4.4 kΩ and supports a frequency response from 100 Hz to 5.5 kHz. Its compact SMD package measures 3.57 mm x 3.57 mm with a depth of 2.21 mm, utilizing solder pads for termination.

Microphones Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• Electret condenser transducer technology
• Analog output signal configuration
• Surface-mount device (SMD) form factor

Microphones Applications

• Consumer electronic audio input devices
• Voice recognition systems
• Portable communication equipment
• General-purpose analog microphone circuits

Microphones Procurement Notes

Verify the specific datasheet revision and RoHS compliance status prior to procurement. Confirm that the operating voltage requirements align with the 0.9 V to 10 V specification. Ensure PCB footprint compatibility with the 3.57 mm x 3.57 mm dimensions. Check for any lead-free manufacturing certifications required by your assembly process.

Microphones Selection Notes

Select this component when an omnidirectional response is required for general audio pickup. The wide supply voltage range allows flexibility in circuit design. Consider the -56 dB sensitivity for standard voice-level applications. Verify that the 100 Hz to 5.5 kHz frequency response meets the target application's bandwidth needs without additional filtering.

Microphones Part Context

This part belongs to the Knowles EM series of microphones. It is an electret condenser type intended for surface-mount assembly. The product is categorized under audio products and microphones. It serves as a direct replacement for similar omnidirectional analog microphones in existing designs requiring this specific package size.

Microphones Replacement Considerations

Direct substitutes include other omnidirectional electret condenser microphones with compatible SMD footprints and similar sensitivity levels. Verify pinout and electrical characteristics before substitution. Cross-reference with Knowles' official replacement guides for exact functional equivalents.