EL-23077-000

Microphones Overview

The Knowles EL-23077-000 is an electret condenser microphone with a unidirectional polar pattern. It operates within a frequency range of 300 Hz to 5.1 kHz and features a sensitivity of -52 dB ±2 dB at 74 dB SPL. The device requires a supply voltage between 0.9 V and 10 V. Its physical dimensions are 5.56 mm in length, 3.98 mm in width, and 2.28 mm in height. The component utilizes solder pads for surface mount termination.

Microphones Feature Summary

• Unidirectional acoustic design for focused sound capture
• Electret condenser transducer technology
• Surface mount termination via solder pads

Microphones Applications

• Voice recognition systems
• Consumer audio recording devices
• Telecommunication handsets

Microphones Procurement Notes

Verify the current part status as sources indicate this model may be obsolete or discontinued. Confirm availability through authorized distributors or surplus suppliers. Ensure compatibility with existing PCB footprints and soldering profiles. Check for RoHS compliance documentation if required by specific regulatory standards. Validate that the unidirectional characteristic meets the acoustic requirements of the target application.

Microphones Selection Notes

Select this component when a compact, unidirectional electret microphone is required for voice-band applications. Consider the operating voltage range and sensitivity specifications relative to the preamplifier input. Evaluate the physical size constraints against the available board space. Compare performance metrics with alternative models in the EL series if this specific part number is unavailable.

Microphones Part Context

This microphone belongs to the EL series manufactured by Knowles. The series typically includes various electret condenser microphones designed for different acoustic patterns and mounting styles. The EL-23077-000 specifically represents a unidirectional variant optimized for voice frequencies. Other parts in the family may offer omnidirectional patterns or different sensitivity levels.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Verify cross-references with other unidirectional electret microphones from the same manufacturer or competitors. Ensure electrical and mechanical parameters match before substitution.