DUM-4537L-HD-R

Microphones Overview

The DUM-4537L-HD-R is a unidirectional electret condenser microphone manufactured by PUI Audio. It features a sensitivity of -37 dB and an impedance of 2.2 kOhms. The device operates within a voltage range of 1 VDC to 10 VDC with a current rating of 500 uA. Physical dimensions include an 8 mm diameter and a length of 4.5 mm. It utilizes solder pin termination for circuit board integration.

Microphones Feature Summary

• Unidirectional acoustic pickup pattern
• Electret condenser transducer technology
• Solder pin termination style

Microphones Applications

• Voice recognition systems
• Consumer audio recording devices
• Industrial voice control interfaces

Microphones Procurement Notes

Verify the specific datasheet version for the DUM-4537L-HD-R to confirm electrical tolerances and mechanical drawings. Ensure the application circuit supports the required 1 VDC to 10 VDC operating range and 500 uA current consumption. Confirm that the 8 mm diameter and 4.5 mm length fit the target PCB layout constraints.

Microphones Selection Notes

Select this component when a unidirectional response is required for focused sound capture. The 2.2 kOhm impedance is compatible with standard preamplifier inputs. Consider the 8 mm form factor against spatial limitations in the enclosure design compared to other series options.

Microphones Part Context

This part belongs to the HD series of microphones from PUI Audio. It is distinct from omnidirectional variants like the POM series and differentiates itself through its specific directional characteristics and physical size profile suitable for compact electronic assemblies.

Microphones Replacement Considerations

No public substitute part numbers are documented.