BB179B,115

Overview

The BB179B,115 is a UHF variable capacitance diode fabricated using planar technology and encapsulated in the SOD523 (SC-79) ultra-small surface-mount plastic package. This component provides excellent matching performance achieved through gliding matching and a Direct Matching Assembly (DMA) procedure. It is designed for applications requiring precise tuning capabilities within the UHF frequency range.

Feature Summary

• Planar technology fabrication
• Ultra-small SMD plastic package
• Excellent matching performance via DMA

Applications

• UHF tuning circuits
• Variable capacitance applications
• RF matching networks

Procurement Notes

Verify the specific ordering suffix to confirm the packaging orientation and tape reel specifications. The 115 suffix indicates a standard product orientation on a tape reel. Confirm availability status as this part may be discontinued or subject to last-time buy constraints depending on current inventory channels.

Selection Notes

Select this component when an ultra-small footprint is required for UHF variable capacitance functions. Ensure the design accommodates the SOD523 package dimensions. Verify that the matching performance characteristics provided by the Direct Matching Assembly procedure meet the system's tolerance requirements.

Part Context

The BB179B belongs to NXP's portfolio of UHF variable capacitance diodes. It is distinct from power transistors or other semiconductor devices sharing similar alphanumeric prefixes. The device is specifically engineered for high-frequency tuning applications rather than power amplification or digital logic control.

Replacement Considerations

Check for direct substitutes with identical pinouts and capacitance ranges. Verify compatibility with existing PCB footprints if replacing with components from other manufacturers. Ensure the replacement maintains the same planar technology and package type.