CMC-2742WBL-25L

Overview

The CMC-2742WBL-25L is an omnidirectional electret condenser microphone manufactured by Same Sky. It features a cylindrical design with a diameter of 0.236 inches and operates on a supply voltage range of 2 V to 10 V. The device draws a maximum current of 500 µA and presents an impedance of 2.2 kOhms. Its sensitivity is rated at -42 dB ±3 dB relative to 1 V/Pa at 94 dB SPL. The frequency response spans from 100 Hz to 20 kHz, providing a signal-to-noise ratio of 57 dB. It utilizes wire leads for termination.

Feature Summary

• Omnidirectional acoustic pattern suitable for ambient sound capture
• Wide operating voltage range supporting flexible circuit integration
• Analog output interface via wire lead termination

Applications

• Consumer audio recording devices
• Voice recognition systems
• General purpose sound detection modules

Procurement Notes

Verify the manufacturer designation as Same Sky, formerly known as CUI Devices, to ensure correct sourcing. Confirm that the specific suffix WBL corresponds to the wire lead configuration and dimensional requirements of your assembly. Cross-reference the datasheet for any recent product change notifications or material compliance updates prior to finalizing procurement orders.

Selection Notes

Select this component when an omnidirectional pickup pattern is required for broad sound field coverage. The wide voltage tolerance allows compatibility with various power supply architectures without requiring complex biasing circuits. Ensure the physical dimensions and wire lead termination method align with the mechanical constraints and PCB layout specifications of the target application.

Part Context

This microphone belongs to the broader category of electret condenser audio sensors produced by Same Sky. These components are engineered for consistent acoustic performance in compact electronic assemblies. The series offers standardized electrical characteristics to facilitate replacement across different product generations while maintaining reliable audio signal acquisition capabilities.

Replacement Considerations

Direct substitutes include the CMC-2742PBJ-A and CMC-2242PBL-A, which share identical electrical parameters and form factors. Verify that the alternative part number matches the specific wire lead style and packaging format required for your manufacturing process.