BB679 is a silicon variable capacitance diode from Texas Instruments that is designed for tuning wideband CATV tuners. It features high capacitance ratio and low series resistance, making it an ideal choice for tuners.
The BB679-02V is a silicon variable capacitance diode designed for tuning wideband CATV tuners. It offers a high capacitance ratio and low series resistance thanks to an in‑line matching assembly.
Key specifications include a reverse voltage of 30 V, peak reverse voltage of 35 V, forward current of 20 mA, operating temperature range from –55 °C to 125 °C, and typical capacitance of about 47.5 pF at 1 V, 1 MHz.
| Capacitance ratio (typ.) | 18.3 |
|---|---|
| Forward current (Ir) | 20 mA |
| Operating temperature range | -55 °C to 125 °C |
| Storage temperature range | -55 °C to 150 °C |
It operates from –55 °C up to 125 °C.
The forward current rating is 20 mA.