PMOF-9745P-39UQ

Microphones Overview

The PMOF-9745P-39UQ is an analog omnidirectional electret condenser microphone manufactured by Mallory Sonalert Products Inc. It features a magnetic type construction with PC pin termination. The device operates within a frequency range of 20 Hz to 16 kHz and supports an operating supply voltage between 1.1 V and 10 V. Key electrical specifications include a sensitivity of -39 ± 2 dB relative to 1 V/Pa at 94 dB SPL, a signal-to-noise ratio of 60 dB, and a maximum impedance of 2.2 kΩ at 1 kHz.

Microphones Feature Summary

• Omnidirectional acoustic response for uniform sound capture from all directions
• Electret condenser technology providing high signal-to-noise performance
• PC pin mounting style for direct printed circuit board integration

Microphones Applications

• General purpose audio sensing in consumer electronics
• Voice recognition input devices
• Environmental noise monitoring systems

Microphones Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required voltage levels and mechanical dimensions. Confirm RoHS compliance status if environmental regulations apply to your assembly process. Cross-reference the part number with official Mallory Sonalert documentation to validate the presence of PC pins and the specified sensitivity tolerance before finalizing procurement orders.

Microphones Selection Notes

Select this component when an omnidirectional pickup pattern is required for broad-spectrum audio capture. The wide operating voltage range allows flexibility in low-power or standard logic-level circuits. Ensure the application environment does not exceed the physical depth constraints defined by the 4.5 mm dimension. Verify that the 2.2 kΩ impedance matches the input requirements of the subsequent amplifier stage.

Microphones Part Context

This microphone belongs to the Mallory Sonalert PMOF series, which focuses on compact analog audio transducers. The series utilizes electret condenser elements housed in small cylindrical packages. These components are designed for cost-effective integration into mass-produced electronic devices requiring reliable voice or ambient sound detection capabilities.

Microphones Replacement Considerations

Consult official Mallory Sonalert substitution guides for verified equivalents. Do not assume cross-compatibility with other manufacturers' microphones without verifying pinout, sensitivity, and impedance parameters.