RFBLN1005040A1T

Balun Overview

The RFBLN1005040A1T is an RF balun manufactured by Walsin Technology Corporation, designed for operation within the 2.4GHz to 2.5GHz frequency range. It provides impedance transformation between unbalanced and balanced circuits with a 50/50 Ohm configuration. The component features a phase difference of 180° ±10° and utilizes a 0402 (1005 Metric) surface-mount package with four pad connections.

Balun Feature Summary

• Provides RF signal balancing and impedance matching in compact form factor
• Operates specifically within the 2.4GHz to 2.5GHz ISM band
• Maintains precise 180-degree phase difference for signal integrity

Balun Applications

• Wireless LAN (WLAN) modules
• Bluetooth device interfaces
• Zigbee communication systems

Balun Procurement Notes

Verify the specific datasheet version when sourcing, as manufacturer documentation may update electrical tolerances or pin configurations over time. Confirm that the 0402 footprint matches your PCB design constraints. Ensure compatibility with standard reflow soldering profiles for surface-mount assembly to maintain component reliability during manufacturing.

Balun Selection Notes

Select this component when a 50-ohm balanced-to-unbalanced conversion is required at 2.4GHz. The 0402 package suits high-density layouts. Consider thermal management requirements if operating near maximum temperature limits. Verify that the ±10° phase tolerance meets system specifications for coherent signal processing applications.

Balun Part Context

This part belongs to the RFBLN series of RF baluns from Walsin Technology Corporation. These components are engineered for wireless communication applications requiring compact size and reliable performance in the 2.4GHz ISM band. The series supports various impedance configurations tailored for different RF front-end designs.

Balun Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.