CMEJ-0502-25-L075

Overview

The CMEJ-0502-25-L075 is an omnidirectional electret condenser microphone manufactured by Same Sky. It features a compact cylindrical design with a diameter of 5.0 mm and a depth of 2.5 mm. The component operates on a DC supply voltage of 3.0 Vdc and draws a maximum current of 500 uA. It provides a sensitivity of -25 dB and maintains an impedance of 2.2 kOhms. Electrical connections are established via wire leads, facilitating integration into various audio circuits.

Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture from all directions
• Compact cylindrical form factor suitable for space-constrained electronic assemblies
• Low power consumption operation compatible with standard low-voltage DC supplies

Applications

• Consumer electronics audio input modules
• Voice recognition systems
• Portable recording devices

Procurement Notes

Verify the specific suffix L075 to confirm wire lead length and termination style. Ensure the operating voltage matches the 3.0 Vdc requirement. Confirm RoHS compliance status through official documentation before finalizing procurement specifications.

Selection Notes

Select this model when a small footprint and omnidirectional response are required. Compare sensitivity levels against other series members if higher gain is needed. Verify that the wire lead termination suits the target assembly method compared to PCB mount alternatives.

Part Context

This component belongs to the CMEJ series of electret condenser microphones from Same Sky. The series offers various sizes and electrical characteristics. This specific part represents a mid-range size option within the product line, balancing physical dimensions with standard audio performance metrics.

Replacement Considerations

Check for direct substitutes within the Same Sky CMEJ family sharing identical pinouts and dimensions. Verify compatibility with existing circuit biasing networks when replacing similar components from other manufacturers.