AOW-4542P-B-R

Overview

The AOW-4542P-B-R is an omnidirectional electret microphone manufactured by PUI Audio. It features a sensitivity of -42 dB and operates at a working voltage of 2 VDC. The component has an impedance of 2.2 kOhms and utilizes SMD/SMT solder pin termination. Its physical dimensions are 9.7 mm in diameter, with a height of 6 mm and a width of 6 mm.

Feature Summary

• Omnidirectional sound pickup capability for uniform audio capture
• Surface-mount technology (SMD/SMT) package design for automated assembly
• Low voltage operation suitable for portable electronic devices

Applications

• Consumer electronics audio input modules
• Portable communication devices
• Medical equipment voice control interfaces

Procurement Notes

Verify the specific suffix B-R against official datasheets to confirm surface-mount configuration and tolerance levels. Confirm RoHS compliance status through manufacturer documentation before integration into regulated products. Ensure supply chain availability as distribution channels may vary.

Selection Notes

Select this model when surface-mount assembly is required for compact audio designs. Compare sensitivity and operating voltage requirements against circuit constraints. Verify mechanical footprint compatibility with PCB layout specifications prior to final selection.

Part Context

This component belongs to the AOW series of microphones from PUI Audio. The series includes various configurations differing in termination style and sensitivity. This specific part represents the surface-mount variant within the broader audio device portfolio.

Replacement Considerations

Check for direct substitutes within the AOW series or other PUI Audio models sharing identical 2.2 kOhm impedance and 2 VDC operating voltage. Verify dimensional compatibility for existing footprints.