MB6022USC-3 Equivalent & Substitute Parts

Part Overview

The MB6022USC-3 is an electret condenser microphone manufactured by Knowles, designed for analog audio capture applications requiring unidirectional pickup patterns. This component operates across a 2 V to 10 V supply range with a sensitivity of -47dB ±3dB at 94dB SPL and covers a frequency range of 100 Hz to 10 kHz. The product is currently obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

MB6022USC-3

KnowlesIn Stock: 826MB6022USC-3 Datasheet

Current PartRFQ

PUM-3046L-R

PUI Audio, Inc.In Stock: 5954PUM-3046L-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MB6022USC-3 is based on the following critical parameters that must align between the original and substitute component:

• Microphone type: Electret condenser
• Output configuration: Analog
• Directional pattern: Unidirectional
• Physical form factor: Circular, 0.236" diameter (6.00mm)
• Termination method: Solder pads
• Electrical interface: 2 V to 10 V supply voltage range, 500 µA supply current
• Impedance: 2.2 kOhms
• Connector location: Top-mounted port

The PUM-3046L-R from PUI Audio, Inc. qualifies as a substitute based on matching these core parameters. While the substitute exhibits extended frequency response (30 Hz to 15 kHz versus 100 Hz to 10 kHz) and improved signal-to-noise ratio (60dB versus 50dB), these represent functional enhancements rather than incompatibilities. The sensitivity specification differs slightly (-46dB ±4dB versus -47dB ±3dB), remaining within acceptable tolerance for most applications requiring analog unidirectional microphone functionality.

Parameter Comparison

Engineering Selection Recommendations

The PUM-3046L-R represents a viable substitute for the obsolete MB6022USC-3 based on electrical and mechanical compatibility. The substitute maintains identical supply voltage range, impedance, and current consumption specifications, ensuring direct integration into existing circuit designs without modification to power delivery or signal conditioning stages.

The PUM-3046L-R carries active product status with RoHS3 compliance, providing assurance of ongoing availability and regulatory alignment for new production runs. Both components share identical REACH and ECCN classifications, confirming equivalent regulatory standing.

Physical compatibility is confirmed through matching circular form factor and solder pad termination. The substitute exhibits a maximum height of 0.126" (3.20mm) compared to 0.094" (2.40mm) for the original; this dimensional difference requires verification against available PCB mounting clearance in the target application.

Frequently Asked Questions (FAQ)

Q: Can the PUM-3046L-R be used as a direct replacement for the MB6022USC-3 without circuit modifications?

A: Yes, the PUM-3046L-R maintains electrical compatibility across all critical parameters: supply voltage range (2 V to 10 V), impedance (2.2 kOhms), and supply current (500 µA). No circuit modifications are required for electrical integration.

Q: What is the significance of the frequency range difference between these components?

A: The MB6022USC-3 operates from 100 Hz to 10 kHz, while the PUM-3046L-R extends to 30 Hz to 15 kHz. The substitute's broader frequency response represents a functional enhancement. Applications requiring the original's narrower bandwidth will operate correctly with the substitute; applications benefiting from extended low-frequency or high-frequency response gain additional capability.

Q: How do the sensitivity specifications compare?

A: The MB6022USC-3 specifies -47dB ±3dB at 94dB SPL; the PUM-3046L-R specifies -46dB ±4dB. The 1dB difference in nominal sensitivity falls within typical application tolerances for analog microphone circuits. Both components operate within the same impedance and voltage parameters, maintaining consistent signal conditioning requirements.

Q: Are there physical mounting considerations when substituting these components?

A: Both components share identical 0.236" (6.00mm) circular diameter and solder pad termination. The PUM-3046L-R has a maximum height of 0.126" (3.20mm) versus 0.094" (2.40mm) for the MB6022USC-3. Verify that available PCB clearance accommodates the 0.032" (0.80mm) height increase.

Q: What is the product status difference, and why does it matter?

A: The MB6022USC-3 is obsolete; the PUM-3046L-R is active. Active status ensures ongoing component availability, manufacturing consistency, and regulatory compliance updates. For new designs or production continuity, the active substitute provides supply chain stability.