BB 689 E7902

Overview

The BB689E7902 is a single silicon tuning diode manufactured by Infineon Technologies, designed for surface-mount applications in the SCD-80-2 package. It operates within a junction temperature range of -55°C to +150°C and supports a maximum peak reverse voltage of 30 V. Key electrical characteristics include a capacitance of 51 pF and a minimum tuning rate of 18 under specified test conditions (C1/C28). The component is classified as a varactor diode suitable for high-frequency circuit tuning.

Feature Summary

• Single-channel silicon varactor configuration optimized for RF signal processing
• Surface-mount construction utilizing the compact SCD-80-2 package format
• Extended thermal stability supporting operation up to 150°C junction temperature

Applications

• RF circuit tuning and frequency selection
• Voltage-controlled oscillator (VCO) implementations
• Phase-locked loop (PLL) filter networks

Procurement Notes

Verify current availability status as the component may be discontinued or subject to limited supply constraints. Confirm exact ordering suffixes and packaging formats with authorized distributors. Ensure compliance with RoHS directives and check for specific shipping restrictions in your region before placing orders.

Selection Notes

Select this component when a single-tuning diode with a 30 V reverse voltage rating is required. Verify that the 51 pF capacitance value aligns with target circuit requirements. Ensure the design accommodates the SCD-80-2 footprint and operates within the specified -55°C to +150°C temperature range.

Part Context

This part belongs to the BB689 family of silicon tuning diodes from Infineon Technologies. Variants within this series, such as the BB689E7903, share similar functional architectures but may differ in specific capacitance values or tuning rates. The BB689 series is generally utilized in radio frequency and communication equipment requiring precise frequency control.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative components from the same BB689 family or comparable single-channel varactors with matching 30 V ratings and SCD-80-2 packages.