AUM-4537L-HD-R

Overview

The AUM-4537L-HD-R is a unidirectional electret condenser microphone from the PUI Audio HD series. It features an impedance of 2.2 kOhms and a sensitivity of -37 dB. The device operates on a voltage range of 1 VDC to 10 VDC with a current rating of 500 uA. Physical dimensions include a diameter of 10 mm, length of 4.5 mm, and depth of unspecified but compact profile. It utilizes solder pin termination for through-hole mounting.

Feature Summary

• Unidirectional acoustic pickup pattern for focused sound capture
• Wide operating voltage range supporting various circuit designs
• Through-hole solder pin termination for robust board attachment

Applications

• Voice recognition systems requiring directional input
• Consumer electronic audio recording devices
• Industrial communication equipment

Procurement Notes

Verify RoHS compliance status and specific datasheet revisions before integration. Confirm mechanical footprint compatibility with PCB layout. Ensure supply chain stability as production cycles may vary. Cross-reference electrical parameters against target application requirements.

Selection Notes

Choose this component when unidirectional sensitivity is required over omnidirectional alternatives. The wide voltage tolerance simplifies biasing circuit design compared to fixed-voltage models. Solder pin termination suits high-reliability through-hole assembly processes.

Part Context

Part of the PUI Audio HD series focusing on high-density audio solutions. Designed for applications needing reliable electret technology with standardized mounting interfaces. Complements other PUI Audio microphones offering different polar patterns or form factors.

FAQ

What is the recommended operating voltage range?

The microphone supports an operating voltage range from 1 VDC to 10 VDC.

Is this microphone omnidirectional or unidirectional?

The AUM-4537L-HD-R is specified as a unidirectional microphone.