FG45-32335-P03

Microphones Overview

The Knowles FG45-32335-P03 is a subminiature electret condenser microphone designed for high-performance audio capture in space-constrained environments. It features an omnidirectional polar pattern and analog output type. The device operates with a sensitivity of -72dB ±3dB referenced at 74dB SPL, providing a signal-to-noise ratio of 60 dB. The frequency response spans from 100 Hz to 10 kHz, while the specified frequency range covers 80 Hz to 1 kHz. Electrical characteristics include an impedance of 4.4 kOhms and an output level ranging from 900mV to 10V.

Microphones Feature Summary

• Compact subminiature form factor suitable for rugged applications
• Omnidirectional acoustic design for uniform sound pickup
• Electret condenser technology ensuring stable analog signal output

Microphones Applications

• Automotive audio systems
• Space-constrained consumer electronics
• Rugged environment audio capture devices

Microphones Procurement Notes

Verify component authenticity through official Knowles channels or authorized distributors. Confirm that the received part matches the exact model number FG45-32335-P03. Check datasheet specifications against project requirements to ensure compatibility with interface circuits. Inspect physical condition for damage prior to integration into final assemblies.

Microphones Selection Notes

Select this component when a small footprint is critical for the design. Ensure the application requires an omnidirectional response pattern within the specified frequency range. Verify that the system can accommodate the 4.4 kOhms impedance and analog output requirements. Consider the -72dB sensitivity level relative to the target signal-to-noise ratio needs.

Microphones Part Context

This microphone belongs to the Knowles FG45 series of subminiature electret condenser microphones. The series is engineered for applications requiring reliable audio performance in limited spaces. Knowles utilizes its expertise in transducer technology to deliver consistent acoustic characteristics across this product line.

Microphones Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.