FPC06881

RF Directional Couplers Overview

The FPC06881 is a resistive RF directional coupler manufactured by Knowles Dielectric Labs. It operates from DC to 40 GHz with a coupling factor of -20 ± 3 dB and an insertion loss of -1 dB. The component utilizes a 4-SMD, No Lead package designed for surface mount integration. This device provides stable signal conditioning across the specified frequency range, suitable for high-frequency power monitoring applications requiring precise directional coupling characteristics.

RF Directional Couplers Feature Summary

• Resistive coupler design enabling operation from DC to 40 GHz
• Integrated low-loss ceramic construction for temperature stability
• Surface mount package optimized for automated assembly

RF Directional Couplers Applications

• High-frequency power monitoring
• Signal conditioning in microwave circuits
• General purpose RF testing equipment

RF Directional Couplers Procurement Notes

Verify the specific datasheet version for the FPC06881 to confirm exact mechanical dimensions and thermal handling specifications. Ensure compatibility with the target PCB layout regarding the 4-SMD no-lead footprint. Cross-reference the coupling tolerance requirements against the -20 ± 3 dB specification to validate performance within the intended system architecture before finalizing procurement.

RF Directional Couplers Selection Notes

Select this component when a wideband response extending from DC to 40 GHz is required. The fixed -20 dB coupling factor suits applications needing consistent signal sampling. Consider the -1 dB insertion loss impact on overall system gain. The surface mount form factor aids in minimizing parasitic effects compared to through-hole alternatives in high-density designs.

RF Directional Couplers Part Context

Knowles Dielectric Labs specializes in passive components for demanding environments. The FPC06881 belongs to their RF coupler portfolio, which includes various coupling values and frequency ranges. These components are engineered for reliability in aerospace and industrial sectors, leveraging proprietary ceramic materials to maintain performance under thermal stress.

RF Directional Couplers Replacement Considerations

Publicly confirmed substitute part numbers for the FPC06881 were not identified in the provided documentation. Verify electrical equivalence carefully if considering alternative manufacturers, specifically matching the DC-to-40 GHz bandwidth and -20 dB coupling tolerance.