CUM-4537L-R

Overview

The CUM-4537L-R is an analog unidirectional electret condenser microphone manufactured by PUI Audio, Inc. It operates within a supply voltage range of 1.5 V to 10 V and features a sensitivity of -37 dB ±3 dB (equivalent to 35.48 mV/Pa). The device exhibits a signal-to-noise ratio of 60 dB and an impedance of 300 ohms. It utilizes solder pad termination and is housed in a compact form factor with a diameter of 9.7 mm.

Feature Summary

• Unidirectional acoustic pickup pattern for focused sound capture
• Wide operating voltage range supporting low-power systems
• High signal-to-noise ratio for clear audio transmission
• Compact surface-mount design for space-constrained applications

Applications

• Automotive audio systems
• Consumer electronics voice input
• Industrial communication devices

Procurement Notes

Verify the specific suffix and revision level against the official PUI Audio datasheet to ensure compatibility with your circuit design. Confirm that the solder pad footprint matches your PCB layout requirements. Check for RoHS compliance documentation if required by your manufacturing standards. Ensure the operating voltage range aligns with your system's power supply rails.

Selection Notes

Select this component when a unidirectional electret microphone with a 300-ohm impedance is required. The -37 dB sensitivity offers a balance between output level and noise performance. Consider the 1.5 V to 10 V operating range for flexibility in power supply design. The compact 9.7 mm diameter makes it suitable for small enclosures where larger microphones cannot fit.

Part Context

PUI Audio, Inc. specializes in audio components including microphones, transducers, and speakers. The CUM-4537L-R belongs to their line of analog electret condenser microphones designed for reliable performance in various electronic devices. The company emphasizes custom and standard solutions for industrial and consumer markets.

FAQ

What is the impedance of the CUM-4537L-R?

The impedance of the CUM-4537L-R is 300 ohms.

Is the CUM-4537L-R unidirectional or omnidirectional?

The CUM-4537L-R is a unidirectional microphone.