EM-24046-C36 Equivalent & Substitute Parts

Part Overview

The EM-24046-C36 is a 100 Hz ~ 10 kHz analog microphone featuring electret condenser technology with omnidirectional pickup pattern and -56.5dB sensitivity at 74dB SPL. This component utilizes solder pad termination in a compact 4.67mm x 4.67mm square form factor. The part is currently obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability for new production and field replacements.

Substiute Parts

EM-24046-C36

KnowlesIn Stock: 949EM-24046-C36 Datasheet

Current PartRFQ

EM-24446-C57

KnowlesIn Stock: 948EM-24446-C57 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EM-24046-C36 is determined by strict equivalence across the following critical parameters:

• Microphone type: Electret Condenser
• Output signal: Analog
• Directional pattern: Omnidirectional
• Frequency response: 100 Hz ~ 10 kHz
• Sensitivity specification: -56.5dB ±3dB @ 74dB SPL
• Electrical characteristics: 4.4 kOhms impedance, 1.3 V rated voltage, 50 µA supply current
• Physical form factor: 4.67mm x 4.67mm square, 2.28mm maximum height
• Termination method: Solder Pads
• Port location: Side

The EM-24446-C57 meets all these criteria and is classified as an active product, making it a direct functional and mechanical equivalent suitable for replacement applications.

Parameter Comparison

Engineering Selection Recommendations

The EM-24446-C57 is the direct substitute for the obsolete EM-24046-C36. Both components share identical electrical performance specifications, mechanical dimensions, and termination characteristics. The EM-24446-C57 carries active product status, ensuring ongoing availability and supply chain support. The substitute part maintains RoHS compliance (ROHS3 standard) and REACH unaffected status, meeting current regulatory requirements for new designs and production applications. No design modifications are required for component substitution.

Frequently Asked Questions (FAQ)

Q: Can the EM-24446-C57 be used as a direct replacement for the EM-24046-C36?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters including sensitivity, frequency response, impedance, supply voltage, current consumption, physical dimensions, and solder pad termination. The EM-24446-C57 is the active equivalent.

Q: What is the difference between the two part numbers?

A: The EM-24046-C36 is obsolete, while the EM-24446-C57 is active. The packaging differs (the substitute is supplied in bulk), but all functional and mechanical specifications remain unchanged.

Q: Are there any compliance differences between these parts?

A: Both parts are RoHS compliant and REACH unaffected. The EM-24446-C57 meets the ROHS3 standard, representing the current regulatory compliance level.

Q: Will the EM-24446-C57 fit the same PCB footprint as the EM-24046-C36?

A: Yes. Both components have identical dimensions of 4.67mm x 4.67mm with a maximum height of 2.28mm, square form factor, and side-located solder pad termination.

Q: Are the electrical characteristics identical?

A: Yes. Both parts operate at 1.3 V rated voltage with 50 µA supply current, provide 4.4 kOhms impedance, and deliver -56.5dB ±3dB sensitivity at 74dB SPL across the 100 Hz ~ 10 kHz frequency range.