BB66402VH7902XTSA1

Overview

The BB66402VH7902XTSA1 is a silicon variable capacitance diode from the BB664 series, manufactured by Infineon Technologies. It features a single-diode configuration housed in an SCD80 surface-mount package with a low series inductance of 0.6 nH. The device supports a maximum reverse voltage of 30 V and operates within a temperature range of -55°C to 150°C. Key electrical characteristics include a typical capacitance ratio of 17.8 (measured at VR = 1 V and VR = 28 V, f = 1 MHz) and a series resistance of 0.6 Ω at 470 MHz.

Feature Summary

• High capacitance ratio for effective tuning applications
• Low series inductance and resistance for high-frequency performance
• Excellent uniformity and matching due to in-line assembly procedure
• Qualified according to AEC-Q101 automotive standards

Applications

• VHF TV-tuners
• Television tuner circuits requiring precise capacitance control
• RF tuning applications utilizing single-diode varactor configurations

Procurement Notes

Verify component authenticity through authorized Infineon distributors or certified supply chain partners. Confirm that the SCD80 package marking matches official datasheet specifications. Ensure storage conditions adhere to moisture sensitivity level requirements prior to reflow soldering processes.

Selection Notes

Select this component when a single-diode varactor with low parasitic inductance is required for VHF frequency ranges. The SCD80 package offers a compact footprint suitable for space-constrained designs. Verify that the 30 V reverse voltage rating aligns with the circuit's peak operating voltages.

Part Context

This part belongs to the BB664 series of silicon variable capacitance diodes designed specifically for television tuner applications. The series includes variants such as BB644 and BB664-02V, distinguished by their package types and specific electrical tolerances. The BB664 variant utilizes the SCD80 package to provide optimized RF performance characteristics.

Replacement Considerations

Direct replacements must match the SCD80 package, single-diode configuration, and similar capacitance ratios. Cross-reference with other Infineon BB6xx series components or equivalent varactors from other manufacturers ensuring identical pinout and thermal ratings.