RA81F0473STGNH#KB0

RF Front End (LNA + PA) Overview

The RA81F0473STGNH#KB0 is an RF switch integrated circuit manufactured by Renesas Electronics Corporation. It operates within a frequency range of 3.3GHz to 4.2GHz, suitable for general-purpose wireless applications. The component is housed in a 32-VFQFPN (5x5) package and is designed for integration into Active Antenna Systems (AAS). Official documentation classifies it under Wireless & RF Integrated Circuits.

RF Front End (LNA + PA) Feature Summary

• Supports frequency operation from 3.3GHz to 4.2GHz
• Designed for Active Antenna System (AAS) analog front-end receiver integration
• Utilizes 32-VFQFPN (5x5) package with exposed pad for thermal management

RF Front End (LNA + PA) Applications

• Active Antenna Systems (AAS)
• 5G Small Cell implementations
• General-purpose wireless communication applications

RF Front End (LNA + PA) Procurement Notes

Verify the specific manufacturer part number RA81F0473STGNH#KB0 against official Renesas documentation to ensure accuracy. Confirm that the required 32-VFQFPN (5x5) package matches design constraints. Ensure proper grounding plane and via placement near the exposed pad are implemented during PCB layout to control impedance and manage heat dissipation effectively.

RF Front End (LNA + PA) Selection Notes

Select this component for designs requiring RF switching within the 3.3GHz to 4.2GHz spectrum. It is specifically intended for Active Antenna System architectures. Designers must account for the 32-VFQFPN (5x5) footprint and implement robust thermal relief strategies using multiple vias adjacent to the exposed pad to maintain signal integrity and device reliability.

RF Front End (LNA + PA) Part Context

This RF switch IC belongs to the Wireless & RF Integrated Circuits category produced by Renesas Electronics Corporation. It serves as a specialized component for high-frequency signal routing in modern wireless infrastructure. The device supports frequencies up to 4.2GHz, positioning it for use in advanced cellular network deployments.

RF Front End (LNA + PA) Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing system requirements before considering alternative components.