BBY5803WE6327HTSA1

Overview

The BBY5803WE6327HTSA1 is a dual varactor diode manufactured by Infineon Technologies, designed for surface-mount applications in the PG-SOT-323 package. This component features a common cathode configuration and supports a maximum reverse voltage of 10 V. It operates within a junction temperature range of -55°C to 150°C. The device exhibits a capacitance of 5.5 pF at 6 V reverse bias and 1 MHz frequency, with a capacitance ratio of 3.5 measured under C1/C4 conditions. It is classified as obsolete and no longer in active production.

Feature Summary

• Dual varactor structure with common cathode topology
• Surface-mount design in compact PG-SOT-323 packaging
• Wide operating temperature range suitable for diverse environments

Applications

• Frequency tuning circuits in RF systems
• Voltage-controlled oscillators (VCOs)
• Phase-locked loops (PLLs)

Procurement Notes

This component is officially marked as obsolete by the manufacturer. Verification of availability requires checking distributor stock or last-time-buy notices. Designers should confirm end-of-life status before procurement planning.

Selection Notes

Engineers replacing this part must evaluate equivalent dual varactor diodes with matching 10 V ratings and SOT-323 footprints. Key parameters such as capacitance at specific bias voltages and thermal limits must be compared against new candidates to ensure circuit compatibility.

Part Context

The BBY5803 belongs to the BBY58 series of varactor diodes from Infineon. These components are typically used in communication equipment requiring variable capacitance control. The WE6327 suffix indicates specific tape-and-reel packaging details defined by the manufacturer.