PUM-2745L-HD-R

Microphones Overview

The PUM-2745L-HD-R is a unidirectional electret condenser microphone manufactured by PUI Audio. It features a compact cylindrical design with a 6 mm diameter and 2.7 mm length, terminating in wire leads for circuit integration. The device operates within a supply voltage range of 1 VDC to 10 VDC and draws a current of 110 uA. It presents an impedance of 2.2 kOhms and provides a sensitivity of -45 dB.

Microphones Feature Summary

• Unidirectional acoustic pickup pattern for focused sound capture
• Compact cylindrical housing suitable for space-constrained designs
• Wire lead termination for flexible board connection

Microphones Applications

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

Microphones Procurement Notes

Verify the specific suffix and packaging configuration against the manufacturer's latest datasheet before ordering. Confirm that the wire lead termination style matches your assembly requirements. Ensure the operating voltage range aligns with your system's power supply specifications to guarantee proper functionality.

Microphones Selection Notes

Select this component when a directional microphone is required for specific sound source isolation. The low current consumption makes it suitable for battery-powered applications. Verify that the physical dimensions fit within the designated enclosure space and that the wire lead interface is compatible with the target PCB layout.

Microphones Part Context

This part belongs to the HD series of microphones from PUI Audio, designed for high-density mounting environments. The series typically offers robust performance in standard audio frequencies. It serves as a specialized solution for applications requiring precise directional audio input in a small form factor.

Microphones Replacement Considerations

Check for alternative parts within the same HD series or other unidirectional models with matching 6 mm diameters. Ensure any substitute maintains the 2.2 kOhm impedance and similar sensitivity levels to preserve circuit performance without redesign.