BB 659 E7902

Overview

The BB659E7902 is a single-channel varactor diode manufactured by Infineon Technologies, designed for surface-mount applications in the SCD-80 package. It features a maximum peak reverse voltage of 30 V and operates within a junction temperature range of -55°C to 150°C. The device exhibits a capacitance of 2.75 pF at 28 V and 1 MHz, with a tuning ratio of 15.3 measured under C1/C28 conditions. This component is classified as obsolete and is no longer in active production.

Feature Summary

• Single-channel varactor configuration optimized for RF tuning circuits
• Surface-mount construction utilizing the compact SCD-80 package format
• Wide thermal operating range supporting high-temperature environments up to 150°C

Applications

• RF frequency modulation circuits
• Voltage-controlled oscillator (VCO) tuning networks
• Phase-locked loop (PLL) filter components

Procurement Notes

This specific part number is officially listed as obsolete by the manufacturer. Verification of availability requires checking secondary market distributors or surplus suppliers, as standard direct procurement channels are discontinued. Designers should confirm end-of-life status and plan for long-term supply constraints or alternative sourcing strategies.

Selection Notes

Engineers selecting this component must account for its obsolete status when designing new products. The specified 30 V reverse voltage and 2.75 pF capacitance at 28 V define its electrical limits. Compatibility checks should focus on the SCD-80 footprint and the required tuning ratio of 15.3 for the target application frequency range.

Part Context

The BB659 series represents a family of varactor diodes from Infineon Technologies. The BB659E7902 variant specifically utilizes the SCD-80 surface-mount package. This series is generally intended for RF and microwave applications requiring variable capacitance controlled by reverse bias voltage.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineers should consult official replacement guides or contact the manufacturer directly for qualified alternatives.