POW-1644L-LWC50-B-R

Microphones Overview

The POW-1644L-LWC50-B-R is an omnidirectional electret condenser microphone manufactured by PUI Audio, Inc. It features a round design with wire leads for direct connection. The component operates within a voltage range of 2 V to 10 VDC and draws a current of 500 µA. Its frequency response spans from 50 Hz to 16 kHz, providing analog output. The sensitivity is rated at -44 dB ±3dB, with a nominal impedance of 2.2 kΩ and a signal-to-noise ratio of 60 dB. The physical dimensions are 7.1 mm in overall diameter and 2.6 mm in height.

Microphones Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture
• Electret condenser transducer technology for analog audio output
• Compact cylindrical form factor with integrated wire leads

Microphones Applications

• Consumer electronics audio input
• Industrial control panel voice communication
• Medical device monitoring systems

Microphones Procurement Notes

Verify the specific suffix codes against the manufacturer's official datasheet to ensure correct sensitivity and impedance variants. Confirm RoHS compliance status through the latest product documentation. Ensure the operating voltage remains within the specified 2 V to 10 VDC range during circuit design. Check for any recent updates to the pinout or mechanical drawing before finalizing PCB layout.

Microphones Selection Notes

Select this component when an omnidirectional response is required for general-purpose audio sensing. The wide voltage tolerance allows flexibility in power supply design across various digital and analog interfaces. Consider the small footprint for space-constrained enclosures. Evaluate the -44 dB sensitivity against ambient noise levels to ensure adequate signal-to-noise performance for the target application environment.

Microphones Part Context

PUI Audio specializes in audio components including microphones, speakers, and transducers. This model belongs to their standard line of electret condenser microphones designed for reliable performance in commercial and industrial applications. The company emphasizes custom solutions alongside standard parts for diverse market needs.

Microphones Replacement Considerations

Consult the official PUI Audio cross-reference list for verified substitutes. Ensure replacement parts match the 7.1 mm diameter and 2.6 mm height constraints. Verify identical electrical parameters, specifically the -44 dB sensitivity and 2.2 kΩ impedance, to maintain circuit compatibility.