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The BB 664-02V E7902 is a silicon variable capacitance diode from the BB664 series, manufactured by Infineon Technologies. Designed for VHF TV tuners, it features low series inductance and resistance with excellent matching uniformity. The component operates within a reverse voltage range of up to 35 V peak and supports forward currents of 20 mA across temperatures from -55°C to 150°C. Electrical characteristics include a typical capacitance ratio of 16.4 at 1 MHz (VR=1V/28V) and a maximum series resistance of 0.75 Ω at 470 MHz.
Verify the specific ordering suffix against official Infineon documentation to confirm package type and marking details. Confirm current availability status directly with authorized distributors or the manufacturer, as lifecycle stages may affect procurement options.
Select this component when designing circuits requiring high capacitance ratios and tight matching tolerances for VHF frequency ranges. Ensure the operating environment stays within the specified temperature limits and that the required reverse voltage does not exceed the maximum ratings defined in the datasheet.
This part belongs to the BB664 series of silicon varactor diodes. It shares core electrical specifications with the BB644 but utilizes different packaging configurations such as SC79 or SCD80. The series is qualified according to AEC Q101 standards, indicating suitability for automotive-grade reliability requirements.
Check for direct equivalents within the BB644/BB664 family. Verify pinout compatibility and package dimensions before substituting with other varactor diodes.