EK-23033-C36

Microphones Overview

The Knowles EK-23033-C36 is an omnidirectional electret condenser microphone designed for surface-mount applications. It features a frequency range of 100 Hz to 10 kHz and operates with a bias current of 50 μA. The device exhibits an impedance of 4.4 kOhms and delivers an output level characterized by a sensitivity of -53 dB ±2 dB at 74 dB SPL. Its physical dimensions are 5.56 mm in length, 3.98 mm in width, and 2.21 mm in depth, facilitating integration into compact electronic assemblies.

Microphones Feature Summary

• Omnidirectional acoustic response for uniform sound capture from all directions
• Electret condenser transducer technology for analog audio signal generation
• Surface-mount device (SMD) configuration for automated PCB assembly

Microphones Applications

• Consumer electronics audio input modules
• Portable communication devices
• Voice recognition systems

Microphones Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status prior to integration. Validate datasheet revisions against the specific manufacturing lot. Ensure storage conditions meet manufacturer specifications to maintain acoustic performance integrity.

Microphones Selection Notes

Evaluate mechanical fit within the target enclosure using the specified 5.56 x 3.98 x 2.21 mm footprint. Assess circuit compatibility with the 4.4 kOhm impedance and 50 μA bias requirements. Consider the 100 Hz to 10 kHz frequency range relative to the intended audio application bandwidth needs.

Microphones Part Context

This component belongs to the Knowles EK series of microphones. It serves as a specialized audio sensor within the broader category of electroacoustic transducers manufactured by Knowles Electronics. The part is distinct from other series such as EM or BEM based on its specific dimensional and electrical characteristics.

Microphones Replacement Considerations

Public documentation indicates this product is no longer manufactured. Verify availability of direct substitutes through official Knowles channels. Cross-reference pinouts and acoustic specifications before adopting alternative components.