CP0805A0881ASTR

RF Directional Couplers Overview

The CP0805A0881ASTR is a thin film directional coupler manufactured by KYOCERA AVX, designed for RF signal conditioning applications. It operates within the AMPS frequency band of 869 MHz to 894 MHz with a center frequency of approximately 881 MHz. The component features a standard coupling coefficient of 16 ± 1 dB and maintains an insertion loss of 0.25 dB. It supports a maximum power rating of 3 W and provides -35 dB isolation alongside -23 dB return loss. Packaged in a compact 0805 (2012 metric) surface-mount footprint, it ensures reliable performance in wireless communication systems.

RF Directional Couplers Feature Summary

• Thin film construction enables precise RF signal directionality and stability
• Standard coupling coefficient facilitates accurate signal monitoring and feedback
• Compact 0805 surface-mount package optimizes PCB space utilization

RF Directional Couplers Applications

• AMPS cellular communication systems
• RF signal monitoring circuits
• Feedback loop configurations in transceivers

RF Directional Couplers Procurement Notes

Verify that the specific part number matches the required frequency range and coupling specifications for your design. Confirm compliance with RoHS directives if environmental regulations apply to your project. Ensure proper handling procedures are followed during assembly due to the sensitive nature of thin film RF components. Cross-reference datasheet parameters against system requirements before finalizing procurement orders.

RF Directional Couplers Selection Notes

Select this component when a precise 16 dB coupling ratio is required for AMPS band operations. Consider the 0.25 dB insertion loss impact on overall system gain. Evaluate the 3 W power handling capability against peak signal levels. The 0805 package size dictates available board real estate constraints compared to larger or smaller alternatives.

RF Directional Couplers Part Context

This device belongs to the CP0805 series of thin film directional couplers from KYOCERA AVX. These components are engineered for high-directivity RF applications requiring stable coupling characteristics over specified bandwidths. The series utilizes advanced thin film technology to achieve low loss and consistent performance in compact form factors suitable for modern electronic devices.

RF Directional Couplers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.