BBY 51 E6433

Overview

The BBY 51 E6433 is a silicon tuning diode manufactured by Infineon Technologies, classified under varactor diodes. It features a reverse voltage rating of 7 V and a maximum forward current of 20 mA. The device exhibits a capacitance of 5.05 pF with a minimum tuning ratio of 1.55 under test conditions of 1/4. Designed for surface mount installation in an SOT-23-3 package, it operates within a temperature range of -55 °C to +125 °C. The component utilizes a dual common cathode configuration and is supplied in reel packaging.

Feature Summary

• Dual common cathode configuration for integrated circuit applications
• Silicon construction optimized for RF tuning functions
• Surface-mount design compatible with automated assembly processes

Applications

• RF circuit tuning
• Voltage-controlled oscillator frequency adjustment
• Phase-locked loop filter components

Procurement Notes

Verify the specific ordering suffix and full part number when sourcing this component. Confirm availability status as the product lifecycle indicates end-of-life or discontinuation phases. Ensure compatibility with existing PCB footprints and thermal management requirements during procurement planning.

Selection Notes

Select this component based on its 7 V reverse voltage capability and 5.05 pF baseline capacitance. Evaluate the 1.55 minimum tuning ratio against circuit requirements. Verify that the SOT-23-3 package fits the board layout constraints and that the operating temperature range meets environmental specifications.

Part Context

This part belongs to the BBY series of varactor diodes from Infineon Technologies. These devices are engineered for variable capacitance applications in radio frequency systems. The series provides standardized performance metrics for tuning circuits, supporting designs requiring precise frequency control through voltage variation.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for cross-reference data before considering alternative components.