SE5501L-R

RF Front End (LNA + PA) Overview

The SE5501L-R is a dual-band RF front-end module designed for 2.4 GHz and 5.0 GHz WLAN and Bluetooth applications. It integrates low-noise amplifiers (LNA) and power amplifiers (PA) to support 802.11a/b/g/n standards with a maximum data rate of 54 Mbps. The device operates at a supply voltage of 3.3 V with a typical current consumption of 180 mA. It is housed in a compact QFN-30 package suitable for surface-mount installation. The component functions within a temperature range of -40°C to +85°C and utilizes silicon technology.

RF Front End (LNA + PA) Feature Summary

• Integrates LNA and PA functions for dual-band wireless connectivity
• Supports simultaneous 2.4 GHz and 5.0 GHz frequency bands
• Optimized for high isolation and low insertion loss performance

RF Front End (LNA + PA) Applications

• Dual-band WLAN access points
• Bluetooth-enabled wireless routers
• 802.11n compliant network adapters

RF Front End (LNA + PA) Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels, as the part status is listed as obsolete. Confirm package integrity and pin alignment against the QFN-30 specifications before integration. Request original datasheets and test reports to validate electrical parameters. Ensure handling procedures comply with moisture sensitivity levels indicated in the official documentation. Cross-reference ordering information with Skyworks Solutions Inc. records to avoid counterfeit substitutions.

RF Front End (LNA + PA) Selection Notes

Select this module when designing systems requiring integrated transmit and receive paths for both 2.4 GHz and 5 GHz bands. Consider the QFN-30 footprint for space-constrained PCB layouts. Evaluate thermal management requirements due to the exposed pad design. Compare power consumption metrics against alternative single-band solutions if only one frequency band is necessary. Ensure compatibility with host baseband processors supporting 802.11a/b/g/n protocols.

RF Front End (LNA + PA) Part Context

The SE5501L-R belongs to Skyworks Solutions' portfolio of wireless connectivity components. It serves as an integrated solution for devices needing combined WLAN and Bluetooth capabilities. The module simplifies design complexity by consolidating multiple RF stages into a single package. It targets consumer electronics and networking hardware requiring reliable dual-band performance.

RF Front End (LNA + PA) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, verify availability of legacy stock or consult Skyworks Solutions for recommended alternatives.