EM-4015LRNW-40C

Microphones Overview

The EM-4015LRNW-40C is an analog electret condenser microphone manufactured by Soberton Inc. It features an omnidirectional polar pattern and operates within a voltage range of 1 V to 10 V, with a typical supply current of 500 µA. The device provides a sensitivity of -40 dB ±3 dB at 1 kHz relative to 94 dB SPL and supports a maximum input sound pressure level of 110 dB. It utilizes wire leads for termination and includes an integrated capacitor. The unit measures 4.00 mm in diameter by 1.50 mm in height and carries an IP67 rating for dust tightness and waterproofing.

Microphones Feature Summary

• Omnidirectional acoustic response for uniform sound capture from all directions
• IP67 rated enclosure providing protection against dust ingress and temporary water immersion
• Integrated internal capacitor simplifies circuit design requirements
• Compact cylindrical form factor suitable for space-constrained installations

Microphones Applications

• Audio recording equipment requiring omnidirectional pickup
• Industrial monitoring systems needing dust and moisture resistance
• Consumer electronics with limited internal volume
• Environmental sensing devices exposed to harsh conditions

Microphones Procurement Notes

Verify the specific ordering suffix to ensure correct termination length and connector type. Confirm RoHS compliance status if required by your manufacturing standards. Check for any updated datasheet revisions that may affect pinout or electrical characteristics. Ensure the operating voltage aligns with your system's power supply constraints before integration.

Microphones Selection Notes

Select this component when an omnidirectional response is necessary for ambient sound capture. The IP67 rating makes it suitable for outdoor or industrial environments where exposure to dust and water is likely. Consider the small physical dimensions if board space is limited. Verify that the required sensitivity and maximum SPL meet your application's dynamic range needs.

Microphones Part Context

This part belongs to the EM series of electret condenser microphones from Soberton Inc. The series typically offers various polar patterns and termination options. The EM-4015LRNW-40C specifically denotes the omnidirectional variant with wire leads and high environmental protection ratings, distinguishing it from directional or PCB-mount alternatives within the same product family.

Microphones Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. When seeking replacements, verify compatibility regarding voltage range, sensitivity, physical dimensions, and IP rating. Ensure the alternative maintains the omnidirectional characteristic and wire termination style if those are critical constraints.

Microphones FAQ

What is the frequency response range of the EM-4015LRNW-40C?

The specified frequency response range is 50 Hz to 10 kHz.

Does the microphone require an external bias resistor?

The datasheet indicates an integrated capacitor but does not explicitly detail the need for an external bias resistor; standard electret operation typically requires a pull-up resistor connected to the supply voltage.

What is the maximum sound pressure level the microphone can handle?

The maximum input sound pressure level (SPL) is 110 dB.