WA04P009XCTL

Overview

The WA04P009XCTL is a fixed RF attenuator manufactured by Walsin Technology Corporation. It provides a nominal attenuation of 9 dB with an impedance of 50 Ohms. The device operates within a frequency range of 0 Hz to 3 GHz and has a power rating of 100 mW. It features a maximum VSWR of 1.2 and utilizes a 0404 (1010 Metric) surface mount package. The component is designed for convex or concave mounting configurations.

Feature Summary

• Provides precise 9 dB signal attenuation for RF applications
• Operates effectively up to 3 GHz frequency range
• Maintains 50 Ohm system impedance compatibility
• Supports high-frequency performance with low VSWR

Applications

• RF signal path conditioning in wireless communication systems
• Test and measurement equipment requiring fixed attenuation
• Mobile device front-end module integration
• Base station receiver input protection

Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm the exact package variant, as suffixes may indicate differences in terminal configuration or mounting style. Ensure that the selected component matches the required attenuation tolerance and frequency specifications for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a fixed 9 dB attenuation value is required within a 50 Ohm system operating up to 3 GHz. Consider the 100 mW power handling capability and the 0404 footprint constraints during PCB layout. Verify thermal management requirements and ensure the chosen package variant aligns with the assembly process capabilities.

Part Context

This part belongs to the WA04P series of RF attenuators from Walsin Technology Corporation. The series offers various attenuation values in a compact surface-mount format suitable for high-frequency applications. The WA04P009XCTL specifically addresses needs for moderate signal reduction in RF chains where space efficiency and consistent performance are critical.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires consulting official manufacturer substitution guides or equivalent technical specifications from other suppliers.