CP0402A1747DLTR

RF Directional Couplers Overview

The CP0402A1747DLTR is a wideband RF directional coupler manufactured by KYOCERA AVX, designed for compact surface-mount applications. It operates within the 1700MHz to 1990MHz frequency range and features a coupling coefficient of 47dB. The component supports a maximum power handling capacity of 3W and utilizes a standard coupler type housed in a 0402 (1005 metric) package. Key electrical specifications include an insertion loss of 0.6dB, isolation of -38dB, and a return loss of 20dB. This device is suitable for high-frequency signal monitoring tasks requiring precise amplitude sampling.

RF Directional Couplers Feature Summary

• Provides flat coupling characteristics across a defined wide frequency band
• Enables efficient signal sampling with minimal insertion loss impact
• Offers high isolation capabilities to prevent signal interference between ports

RF Directional Couplers Applications

• RF signal monitoring in wireless communication systems
• Power measurement circuits in mobile devices
• Transmitter output monitoring in base station equipment

RF Directional Couplers Procurement Notes

Verify the specific datasheet parameters against the manufacturer's official documentation before integration. Confirm that the 0402 package dimensions align with the target PCB layout constraints. Ensure the 3W power rating meets the operational requirements of the intended circuit path. Check RoHS compliance status as indicated in the product environmental classification.

RF Directional Couplers Selection Notes

Select this component when a wideband response is required over narrowband alternatives. The 47dB coupling factor is suitable for low-level signal sampling applications. Consider the 0402 footprint if space optimization is critical. Evaluate the 3W power limit against peak signal levels to ensure reliable operation without thermal degradation or performance drift.

RF Directional Couplers Part Context

This part belongs to the CP Wideband Couplers series from KYOCERA AVX. These components are engineered for applications demanding consistent coupling performance across broad frequency spans. The series utilizes advanced ceramic technology to achieve low profiles and stable electrical characteristics in small form factors, supporting modern miniaturized electronic designs.

RF Directional Couplers Replacement Considerations

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