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CP0805B1747CSTR is listed in the RF Directional Couplers range at ChipApex. The manufacturer field lists KYOCERA AVX. Its product description is DIRECTIONAL COUPLER. Review the specifications below when checking this part for your BOM.
The CP0805B1747CSTR is a unidirectional RF directional coupler manufactured by KYOCERA AVX, designed for surface-mount integration in the 0805 (2012 Metric) package. It operates within a frequency range of 1.71GHz to 1.785GHz, centered around 1747MHz with a 50 Ohm impedance. The component features a coupling coefficient of 18.5dB and supports a maximum power handling capacity of 3W. It is supplied in tape and reel packaging for automated assembly processes.
Verify that the specific suffix 'CSTR' aligns with the required RoHS compliance status, as documentation indicates variations between non-compliant and RoHS3 compliant versions within the same base model family. Confirm the manufacturer's standard lead time of 14 weeks applies to current production schedules. Ensure the order quantity matches the standard tape and reel pack size of 3,000 units to avoid partial reel handling issues during procurement.
Select this component when a fixed 18.5dB coupling factor is required for the 1.7GHz GSM band. The 0805 package size dictates board layout constraints compared to larger discrete components. Consider the 3W power rating against system peak power levels to ensure reliability. Verify impedance matching requirements at 50 Ohms for the specific transmission line topology.
This part belongs to the CP0805 series of SMD RF directional couplers from KYOCERA AVX. The series offers various coupling coefficients and frequency ranges tailored for different wireless standards. The CP0805B1747CSTR specifically targets applications requiring coupling in the 1.7GHz range, distinguishing it from other variants like the CP0805A0902DWTR which serves lower frequencies.
Documentation indicates conflicting information; some sources list it as RoHS3 compliant while others do not specify compliance. Verification against the specific manufacturer datasheet or supplier confirmation is required.
The component supports a maximum power handling capacity of 3W.
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