CP0805A0881ESTR

RF Directional Couplers Overview

The CP0805A0881ESTR is a thin film directional coupler manufactured by KYOCERA AVX. It operates within the AMPS frequency range of 869 MHz to 894 MHz. The component features a standard coupling coefficient of 16 ± 1 dB and supports a maximum power rating of 3 W. It utilizes an SMD/SMT termination type in a compact 0805 (2012 metric) package. Key electrical specifications include an insertion loss of 0.25 dB, isolation of -35 dB, and return loss of -23 dB. The device functions reliably across a temperature range from -40°C to +85°C.

RF Directional Couplers Feature Summary

• Thin film construction for stable RF signal coupling
• Standard directional coupler topology for feedback applications
• Compact surface-mount design suitable for space-constrained PCB layouts

RF Directional Couplers Applications

• AMPS cellular communication systems
• RF signal monitoring and feedback loops
• Wireless infrastructure equipment

RF Directional Couplers Procurement Notes

Verify the specific suffix 'E' against the manufacturer's current datasheet to confirm compliance with RoHS directives, as some variants may not meet these standards. Confirm that the required operating power does not exceed the 3 W maximum rating. Ensure the target application frequency falls strictly within the 869 MHz to 894 MHz operational band to maintain specified coupling accuracy and isolation performance.

RF Directional Couplers Selection Notes

Select this component when a precise 16 dB coupling factor is required for AMPS band operations. The 0805 footprint offers a balance between size and power handling compared to smaller packages. Consider the -35 dB isolation specification if adjacent channel interference rejection is critical. Evaluate thermal management requirements given the +85°C maximum operating temperature limit.

RF Directional Couplers Part Context

This part belongs to the CP0805 series of RF signal conditioning components. These devices are designed for high-frequency applications requiring reliable signal splitting or combining. The series provides various coupling coefficients and frequency ranges tailored for wireless communications and test equipment.

RF Directional Couplers Replacement Considerations

Direct substitutes must match the 869-894 MHz frequency range, 16 dB coupling, and 0805 package. Verify equivalent insertion loss and isolation specs. Cross-reference with other thin film couplers from different manufacturers ensuring identical pinout and thermal characteristics.