FB-FO-23225-000

Microphones Overview

The Knowles FB-FO-23225-000 is a noise-cancelling analog boom microphone designed for voice communication applications. It operates within a frequency range of 300 Hz to 4 kHz and features a circular shape with a diameter of 8.64 mm (0.340 inches). The device requires a supply voltage between 1.3 V and 10 V and draws a current of 200 uA. It exhibits an impedance of 2.2 kOhms and delivers a sensitivity of -60 dB ±3 dB at 74 dB SPL. The component utilizes wire leads for connection and incorporates bidirectional noise cancellation capabilities.

Microphones Feature Summary

• Integrated noise cancelling functionality with specified attenuation performance
• Analog output suitable for direct interface with audio processing circuits
• Boom-style form factor optimized for proximity to the user's mouth

Microphones Applications

• Hands-free communication headsets
• Voice recognition systems requiring directional pickup
• Telecommunication devices with boom microphone configurations

Microphones Procurement Notes

Verify the specific ordering suffix and lead time requirements directly with authorized distributors or the manufacturer before placing orders. Confirm that the wire lead configuration matches the assembly design. Ensure compliance with RoHS standards as indicated in available documentation. Cross-reference part numbers to avoid confusion with similar series components.

Microphones Selection Notes

Select this component when a compact, noise-cancelling analog boom microphone is required for voice-centric applications. Consider the 2.2 kOhm impedance and 200 uA current draw for power budget calculations. Evaluate the 300 Hz to 4 kHz frequency response against target speech clarity requirements. Ensure the 1.3 V to 10 V operating voltage aligns with the system power supply rails.

Microphones Part Context

This part belongs to the Knowles FB series of boom microphones. It is engineered for environments where background noise reduction is critical. The product line typically includes various connector and lead options. This specific model emphasizes analog signal output and integrated noise cancellation technology for improved voice quality in noisy conditions.

Microphones Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify electrical parameters such as sensitivity, impedance, and operating voltage match the original specifications. Ensure mechanical dimensions and mounting styles are compatible with the existing design.