CME-1538-100LB

Overview

The CME-1538-100LB is a 4.0 mm omnidirectional electret condenser microphone manufactured by Same Sky. It features wire lead termination and operates at a DC voltage of 2.0 Vdc. Key electrical parameters include an impedance of 2200 Ohms, a current consumption of 500 µA, and a sensitivity of -38 dB with a tolerance of ±3 dB. The device provides a signal-to-noise ratio of 58 dBA and supports an operating frequency range from 20 Hz to 20,000 Hz. It is rated IP67 for environmental protection.

Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• IP67 rated housing for dust and water resistance
• Wire lead termination for flexible integration

Applications

• Consumer electronics requiring environmental sealing
• Industrial audio monitoring systems
• Outdoor electronic devices

Procurement Notes

Verify the specific manufacturer designation, as the component may be listed under either Same Sky or its predecessor brand, CUI Devices. Confirm that the IP67 rating and wire lead configuration match the exact requirements of the target application during the sourcing process.

Selection Notes

Select this model when high environmental durability is required alongside standard omnidirectional pickup patterns. The 2V operating voltage and low current draw make it suitable for battery-powered applications where power efficiency is critical.

Part Context

This component belongs to the CME series of electret condenser microphones produced by Same Sky. The series offers various form factors and termination styles designed for diverse audio input needs in compact electronic assemblies.

Replacement Considerations

Cross-reference with other Same Sky CME series models featuring wire leads and IP67 ratings. Verify dimensional compatibility and electrical specifications before substituting.