BB173LXX

Overview

The BB173LXX is a single variable capacitance diode (varactor) manufactured by NXP USA Inc. Designed for surface mount applications, it utilizes a DFN1006D-2 package with wettable flank technology to ensure reliable solder joint inspection and connection integrity. The component features a maximum reverse voltage rating of 32 V. At a reverse voltage of 28 V and a frequency of 1 MHz, the device exhibits a capacitance of 2.75 pF. It offers a capacitance ratio of 15, making it suitable for high-frequency tuning circuits requiring stable performance in compact electronic designs.

Feature Summary

• Wettable flank design facilitates visual inspection of solder joints
• Single varactor configuration optimized for surface mount assembly
• High capacitance ratio supports efficient tuning range
• Rated for 32 V maximum reverse voltage operation

Applications

• VHF tuning circuits
• Communication infrastructure equipment
• Automotive electronics systems

Procurement Notes

Verify the specific datasheet version corresponding to the BB173LXX part number to confirm electrical parameters such as capacitance at 28 V and the 15 ratio. Ensure the procurement source provides traceability documentation consistent with NXP Semiconductors standards. Confirm that the received components match the DFN1006D-2 package specification and include wettable flank characteristics as documented in official product literature.

Selection Notes

Select this component when a surface mount varactor with verified solder joint visibility is required. The wettable flank feature addresses quality control needs in automated assembly lines. Consider the 32 V rating and 2.75 pF capacitance value for circuit compatibility. The 15 capacitance ratio indicates suitability for applications demanding a defined tuning range within VHF frequency bands.

Part Context

The BB173LXX belongs to the family of variable capacitance diodes produced by NXP Semiconductors. It is categorized under VHF varactors designed for modern electronic assemblies. The part represents a transition to advanced packaging technologies like DFN with wettable flanks, replacing older packages while maintaining electrical performance standards for communication and automotive sectors.

Replacement Considerations

Consult official NXP substitution guides for direct replacements. Verify pinout compatibility and package dimensions against the DFN1006D-2 specification. Ensure substitute parts meet the same 32 V rating and capacitance ratio requirements.

FAQ

What is the significance of the wettable flank feature in the BB173LXX?

The wettable flank allows for visual inspection of the solder joint underneath the component body, ensuring manufacturing quality and reliability.

What is the capacitance value of the BB173LXX at 28 V?

The capacitance is 2.75 pF at a reverse voltage of 28 V and a frequency of 1 MHz.