RFBLN1005040F0T

Balun Overview

The RFBLN1005040F0T is an RF balun transformer manufactured by Walsin Technology Corporation. It operates within a frequency range of 1.805 GHz to 2.17 GHz, supporting applications in wireless communication systems. The device provides impedance transformation between unbalanced and balanced lines with values of 50 ohms and 100 ohms respectively. It features a maximum insertion loss of 1.2 dB and a phase difference of 180° ±15°. The component is housed in a compact 0402 (1005 metric) surface-mount package with four printed circuit board pads.

Balun Feature Summary

• Provides conversion between balanced and unbalanced RF signals for wireless transmission
• Supports impedance matching between 50-ohm and 100-ohm circuits
• Maintains signal integrity with low insertion loss characteristics

Balun Applications

• Wireless local area network (WLAN) modules
• Bluetooth transceiver circuits
• Mobile phone RF front-end designs

Balun Procurement Notes

Verify the specific datasheet revision when sourcing this component to ensure compatibility with current manufacturing standards. Confirm that the supplier provides traceability documentation for the Walsin Technology Corporation part number. Check for any specific handling requirements related to the small 0402 surface-mount package during assembly processes.

Balun Selection Notes

Select this component when designing circuits requiring a compact solution for balancing signals in the 1.8 GHz to 2.2 GHz range. Consider the 0402 footprint constraints and the need for precise impedance matching between 50 and 100 ohms. Evaluate the insertion loss specifications against system sensitivity requirements to ensure adequate signal performance.

Balun Part Context

This balun belongs to the RFBLN series from Walsin Technology Corporation, which focuses on radio frequency components for modern communication devices. The series utilizes thin-film or similar advanced packaging technologies to achieve high performance in miniature form factors suitable for portable electronics.

Balun Replacement Considerations

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