BBY5805WH6327XTSA1

Overview

The BBY5805WH6327XTSA1 is a dual varactor diode manufactured by Infineon Technologies, housed in the SOT-323 surface-mount package. It features a common cathode configuration with a maximum peak reverse voltage of 10 V. The device exhibits a capacitance of 5.5 pF at 6 V and 1 MHz, providing a capacitance ratio of 3.5 under C1/C4 conditions. It operates within a junction temperature range of -55°C to +150°C. This component is classified as an RF diode and has reached end-of-life status.

Feature Summary

• Dual varactor structure with common cathode topology for compact circuit integration
• High capacitance ratio enabling effective tuning capabilities in RF applications
• Automotive qualification compliant with AEC-Q100 standards

Applications

• RF tuning circuits requiring variable capacitance
• Voltage-controlled oscillator (VCO) frequency adjustment
• Phase-locked loop (PLL) filter networks

Procurement Notes

This component has been officially discontinued by the manufacturer. Verification of current availability requires checking authorized distributors for remaining stock or obsolete inventory. Engineering teams should initiate design changes to replace this part with active alternatives to ensure long-term supply chain stability.

Selection Notes

Designers must account for the end-of-life status when selecting this component. The 5.5 pF capacitance at 6 V and 3.5 ratio are key electrical parameters for matching circuit requirements. The SOT-323 package limits thermal dissipation compared to larger footprints, necessitating careful layout considerations for high-frequency performance.

Part Context

The BBY5805WH6327XTSA1 belongs to the BBY58 series of varactor diodes from Infineon Technologies. This series is designed for radio frequency applications where variable capacitance is required for tuning purposes. The specific suffix indicates the tape-and-reel packaging format used for automated assembly processes.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Engineers should consult official replacement guides or contact the manufacturer for qualified alternative components suitable for RF tuning applications.