BAL-CW1250D3

Balun Overview

The BAL-CW1250D3 is a balun designed by STMicroelectronics to transform single-ended signals into differential signals for WLAN applications. It operates within the 2.4 GHz to 2.5 GHz frequency range and features an impedance of 50 Ohm. The device incorporates an integrated harmonic filter and supports a maximum power handling of 24 dBm. It is housed in a compact 5-UFBGA or FCBGA package, with physical dimensions measuring 1.2 mm in length, 0.99 mm in width, and 0.63 mm in height. The component exhibits a typical maximum insertion loss of 0.97 dB and maintains a phase difference of 10 degrees. It functions reliably up to a maximum operating temperature of 85°C.

Balun Feature Summary

• Transforms single-ended signals to differential signals for WLAN use
• Integrates a harmonic filter for signal conditioning
• Operates at 50 Ohm impedance with high power handling capability

Balun Applications

• Wireless Local Area Network (WLAN) systems
• RF signal conditioning circuits
• Single-ended to differential signal conversion modules

Balun Procurement Notes

Verify the specific ordering suffix and package variant against the official STMicroelectronics datasheet to ensure compatibility with your design requirements. Confirm that the component meets all necessary regulatory standards for your target market. Cross-reference the part number with authorized distributors to obtain accurate availability and lead times. Ensure that the procurement channel provides genuine products to avoid counterfeit risks. Review the latest documentation for any updates regarding pin configuration or electrical characteristics before finalizing orders.

Balun Selection Notes

Select this component when designing WLAN infrastructure requiring efficient single-ended to differential conversion within the 2.4-2.5 GHz band. Consider its compact footprint and integrated filtering capabilities for space-constrained PCB layouts. Evaluate its power handling limits to ensure suitability for the intended signal strength levels. Compare its insertion loss specifications against system budget requirements to maintain signal integrity. Verify thermal performance constraints relative to the expected operating environment.

Balun Part Context

This balun belongs to STMicroelectronics' portfolio of RF components tailored for wireless communication technologies. It addresses the need for compact, high-performance signal transformation in modern WLAN devices. The integration of harmonic filtering reduces the complexity of surrounding circuitry. Its small form factor supports miniaturization trends in consumer electronics and networking hardware.

Balun Replacement Considerations

Consult official STMicroelectronics documentation for verified substitute part numbers. Do not assume cross-compatibility with generic baluns without verifying electrical parameters and pinout configurations. Check for updated revisions that may offer improved performance or packaging options.

Balun FAQ

What is the primary function of the BAL-CW1250D3?

It transforms single-ended signals into differential signals specifically for WLAN applications.

Does the BAL-CW1250D3 include filtering capabilities?

Yes, it integrates a harmonic filter as part of its signal conditioning design.

What is the operating frequency range of this balun?

The device operates between 2.4 GHz and 2.5 GHz.