CMEJ-4618-32-L045

Overview

The CMEJ-4618-32-L045 is an omnidirectional electret condenser microphone manufactured by Same Sky. It features a compact cylindrical design with a diameter of 4.6 mm and utilizes wire leads for termination. The component operates on a DC supply voltage of 3.0 V and draws a rated current of 500 µA. Its sensitivity is specified at -32 dB, providing reliable audio capture capabilities suitable for various electronic applications requiring standard acoustic sensing.

Feature Summary

• Omnidirectional sound pickup pattern ensures consistent audio reception from all directions
• Electret condenser technology provides stable signal output with low power consumption
• Wire lead termination facilitates straightforward integration into custom circuit designs

Applications

• Consumer electronics audio input devices
• Voice recognition systems
• General purpose acoustic sensing modules

Procurement Notes

Verify the specific operating voltage requirements against your system design to ensure compatibility with the 3.0 Vdc specification. Confirm that the wire lead termination method aligns with your assembly process. Check the latest datasheet for any updates regarding environmental compliance or manufacturing changes before finalizing procurement orders.

Selection Notes

Select this model when an omnidirectional response is required for general audio capture. The 4.6 mm diameter offers a balance between size and acoustic performance. Ensure the circuit can provide the necessary 3.0 Vdc bias and handle the 500 µA current draw. Consider the wire lead format if through-hole or direct wiring is preferred over surface mount options.

Part Context

This component belongs to Same Sky's line of electret condenser microphones. These devices are designed for cost-effective audio solutions in portable and stationary electronics. The brand transition from CUI Devices to Same Sky maintains continuity in product specifications and quality standards for existing part numbers within this category.

FAQ

What is the directional characteristic of the CMEJ-4618-32-L045?

It features an omnidirectional polar pattern, capturing sound equally from all directions.

How is the microphone electrically terminated?

The device uses wire leads for electrical connection to the circuit board or system.