DB0805A1850ASTR500

RF Directional Couplers Overview

The KYOCERA AVX DB0805A1850ASTR500 is a thin film directional coupler designed for signal conditioning applications. It operates at a center frequency of 1.85 GHz with a nominal coupling factor of +/- 50 dB. The component features a 50 Ohm impedance and utilizes SMD/SMT termination types within a 0805 (2012 metric) package. It supports board mount installation and functions reliably across a temperature range of -40°C to +85°C.

RF Directional Couplers Feature Summary

• Thin film construction for precise RF signal coupling
• Integrated directional coupler functionality
• Standardized 50 Ohm system impedance compatibility

RF Directional Couplers Applications

• RF signal monitoring in communication systems
• Power measurement circuits
• Signal integrity testing equipment

RF Directional Couplers Procurement Notes

Verify the specific suffix '500' against official manufacturer documentation to confirm reel quantity specifications. Ensure that the requested part number matches the exact electrical parameters and physical dimensions required for the target design, as minor suffix variations may indicate different packaging or tolerance levels.

RF Directional Couplers Selection Notes

Select this component when a compact 0805 form factor is required for high-frequency directional coupling. Consider the thermal operating range and impedance matching requirements of the circuit. Validate that the coupling factor meets the sensitivity needs of the downstream detection or monitoring hardware.

RF Directional Couplers Part Context

This device belongs to the DB0805 series of thin film directional couplers manufactured by KYOCERA AVX. These components are engineered for surface-mount integration into RF and microwave circuits, providing reliable signal sampling capabilities in space-constrained electronic designs.

RF Directional Couplers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Cross-referencing with other manufacturers requires independent verification of electrical performance and physical footprint compatibility.