The BB 639C is a silicon variable capacitance diode from Infineon, which is suitable for tuning of extended frequency band in VHF TV / VTR tuners.
This document is a technical datasheet for the Siemens BB 639C, a silicon variable capacitance diode designed for tuning extended frequency bands in VHF TV and VTR tuners. The device features an SOD-323 package with yellow marking.
The datasheet provides comprehensive electrical characteristics including DC reverse current at various temperatures, AC capacitance values across different voltages and frequencies, and series resistance/inductance parameters. It also includes graphical data for diode capacitance versus voltage and reverse current versus temperature.
| Peak reverse voltage (Vam) | 35 V |
|---|---|
| Forward current | 20 mA |
| Operating temperature range | -55 ... +125 °C |
| Reverse current (Va = 30V) | 10 nA |
The ordering code is Q62702-B695.
The maximum rated reverse voltage is 30 V.
It operates between -55 and +125 °C.
The maximum forward current is 20 mA.