QPF4551TR13

RF Front End (LNA + PA) Overview

The QPF4551TR13 is an integrated RF front-end module designed for 5GHz Wi-Fi 6 (802.11ax) systems. It operates within a frequency range of 5.15GHz to 5.925GHz, supporting standard UNII bands. The device integrates low-noise amplifiers and power amplifiers into a compact 16-QFN package measuring 2.5x2.5mm. Key electrical specifications include a maximum transmit gain of 32dB and a noise figure of 2.1dB. It utilizes silicon technology and requires a 3.3V operating voltage. The component is supplied in a reel packaging format with a factory quantity of 10,000 units.

RF Front End (LNA + PA) Feature Summary

• Integrates low-noise amplifiers and power amplifiers for complete signal chain management
• Optimized for high-gain transmission and low-noise reception in Wi-Fi 6 environments
• Compact surface-mount design suitable for space-constrained mobile devices

RF Front End (LNA + PA) Applications

• Wi-Fi 6 access points and routers
• Mobile devices supporting 802.11ax standards
• IoT gateways requiring 5GHz connectivity

RF Front End (LNA + PA) Procurement Notes

Verify the specific suffix TR13 against official Qorvo documentation to confirm reel packaging and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 16-QFN package. Confirm that the intended application supports the 5.15GHz to 5.925GHz regulatory bands relevant to the deployment region. Cross-reference the datasheet for any recent product change notices affecting material composition or manufacturing sites.

RF Front End (LNA + PA) Selection Notes

Select this component when designing for Wi-Fi 6 (802.11ax) compliance in the 5GHz spectrum. It is appropriate for applications requiring high integration to reduce board space and BOM complexity. Consider the 2.1dB noise figure for sensitivity requirements and the 32dB gain for coverage needs. Ensure the system architecture supports the required 3.3V supply and thermal management for the QFN package.

RF Front End (LNA + PA) Part Context

This part belongs to the QPF4551 series of front-end modules from Qorvo. It is specifically engineered for the 5GHz band, distinguishing it from dual-band or sub-1GHz variants. The TR13 suffix indicates the specific tape-and-reel packaging configuration used for automated assembly processes in high-volume manufacturing environments.

RF Front End (LNA + PA) Replacement Considerations

QPF4550SR is listed as a manufacturer-recommended alternative. Verify pinout compatibility and electrical parameter equivalence before substitution. Check for any differences in packaging or lead-free status between the original and substitute parts.