BB 814 E6433 GR1

Overview

The BB814 is a dual varactor diode from Infineon Technologies, configured as a common cathode pair in a PG-SOT23 surface-mount package. It is designed for FM tuner applications with a maximum reverse voltage of 18 V and a peak forward current of 20 mA. The device exhibits a series resistance of 0.18 Ω. Capacitance values are specified at 44.75 pF at 2 V and 20.8 pF at 8 V. These parameters define its electrical behavior within radio frequency tuning circuits.

Feature Summary

• Common cathode topology for dual-channel tuning
• Surface-mount PG-SOT23 packaging
• Optimized for FM tuner circuit integration

Applications

• FM tuner circuits
• Radio frequency tuning applications

Procurement Notes

Verify the specific ordering suffix against official Infineon documentation to confirm exact manufacturing lot details and compliance status. Confirm component availability and lifecycle status through authorized distributors or the manufacturer's official channels before procurement planning.

Selection Notes

Select this component based on the required capacitance ratio and reverse voltage specifications for the target RF application. Ensure the SOT-23 footprint matches the PCB layout constraints. Verify thermal management requirements against the specified junction temperature range during operation.

Part Context

This component belongs to the BB814 product family of varactor diodes manufactured by Infineon Technologies. It serves as a discrete semiconductor solution for variable capacitance needs in communication systems. The part is identified by the base number BB814 with specific trailing codes indicating package and tape/reel configuration.

Replacement Considerations

Cross-reference with other dual common-cathode varactors in the SOT-23 package. Verify that substitute parts meet the 18 V reverse voltage rating and similar capacitance characteristics at 2 V and 8 V bias points.