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BB173X

BB173X Description

The BB173X from NXP Semiconductors is a high-performance VHF varactor diode designed for precision tuning applications in RF circuits. This surface-mount device features a single-diode configuration with a peak reverse voltage of 32V, making it suitable for low-voltage RF designs. Its standout characteristic is a capacitance ratio of 15 (C1/C28), ensuring wide tuning range capability, while maintaining a capacitance of 2.754pF @ 28V, 1MHz for stable operation in high-frequency environments. Packaged in SOD523 (Tape & Reel), it complies with ROHS3 and REACH standards, ensuring environmental and regulatory compatibility.

BB173X Features

• High Capacitance Ratio (15:1): Enables broad tuning range for VHF applications.
• Low Capacitance (2.754pF @ 28V): Ideal for high-frequency circuits with minimal parasitic effects.
• 32V Peak Reverse Voltage: Robust enough for low-voltage RF systems.
• Surface-Mount (SOD523): Compact footprint for space-constrained PCB designs.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.
• Moisture Sensitivity Level (MSL 1): Unlimited shelf life, simplifying storage and handling.

BB173X Applications

The BB173X excels in VHF tuning circuits, voltage-controlled oscillators (VCOs), and RF filters, where precise capacitance adjustment is critical. Its high capacitance ratio makes it particularly valuable in frequency synthesizers, phase-locked loops (PLLs), and tunable matching networks for wireless communication systems. Additionally, its low parasitic capacitance suits automotive infotainment, satellite receivers, and portable RF devices requiring stable performance under varying voltages.

Conclusion of BB173X

The BB173X stands out as a reliable, high-performance varactor diode for RF tuning applications, combining wide capacitance range, compact packaging, and compliance with modern environmental standards. Its optimized electrical characteristics make it a superior choice for designers seeking precision, stability, and miniaturization in VHF and RF systems. Whether for consumer electronics, automotive, or industrial RF designs, the BB173X delivers consistent performance in demanding environments.