BB55502VH7902XTSA1

Overview

The BB55502VH7902XTSA1 is a silicon tuning diode from the BB535/BB555 series, designed for UHF-TV tuners. It features a single diode configuration in an SC79 surface-mount package with a maximum reverse voltage of 30 V and a peak reverse voltage of 35 V. The device exhibits a minimum capacitance ratio of 8.2 (measured at 1 V to 28 V) and a typical series resistance of 0.58 Ω at 470 MHz. Operating temperature ranges from -55 °C to +150 °C.

Feature Summary

• High capacitance ratio suitable for precise frequency tuning
• Low series inductance and low series resistance for RF performance
• Excellent uniformity and matching due to "in-line" matching assembly procedure

Applications

• UHF-TV tuners

Procurement Notes

Verify component authenticity by checking the marking code against official Infineon documentation. Confirm the specific ordering suffix matches the required package type and tape-and-reel specifications. Ensure compliance with RoHS standards as indicated in the datasheet.

Selection Notes

Select this component when high capacitance ratios and low series inductance are critical for UHF-TV tuner applications. Consider the SC79 package dimensions and the specified operating temperature range of -55 °C to +150 °C for environmental compatibility.

Part Context

This part belongs to the BB535/BB555 series of silicon tuning diodes manufactured by Infineon Technologies. The series is characterized by its use in television tuner circuits, offering reliable performance through matched assembly procedures and standardized surface-mount packaging options like SCD80 and SC79.

Replacement Considerations

Public confirmed substitute part numbers: BB555-02V, BB555G32.