HM-31308-P113

Microphones Overview

The Knowles HM-31308-P113 is an electret condenser microphone assembly designed for analog audio signal output. It features a frequency response range of 100 Hz to 10 kHz and a sensitivity of -32 dB ±3 dB referenced at 94 dB SPL. The component utilizes a 6 mm diameter housing, suitable for compact electronic designs requiring reliable acoustic transduction.

Microphones Feature Summary

• Electret condenser technology for analog audio capture
• Broadband frequency response covering speech and general audio
• Compact 6 mm diameter form factor

Microphones Applications

• Consumer electronics audio input
• Voice recognition systems
• General purpose acoustic sensing

Microphones Procurement Notes

Verify the exact suffix P113 against official Knowles documentation to confirm pinout and mechanical dimensions. Confirm RoHS compliance status as indicated in manufacturer records. Check part status, as this specific model may be obsolete or superseded by newer revisions within the HM series family.

Microphones Selection Notes

Select this component when a standard 6 mm electret microphone with analog output is required. Ensure the application circuit supports the specified sensitivity level of -32 dB. Verify that the operating temperature range and frequency response meet the specific audio fidelity requirements of the target device design.

Microphones Part Context

This part belongs to the Knowles HM series of microphones. The HM series typically includes various electret condenser microphones with different sensitivities and frequency responses. The HM-31308 designation indicates a specific mechanical and electrical configuration within this broader product line.

Microphones Replacement Considerations

Consult Knowles official substitution guides for direct replacements. Verify compatibility of any alternative parts regarding sensitivity, frequency response, and physical footprint before integration into existing designs.