The BB629 is a silicon epitaxial planar capacitance diode offered in a MiniMelf case, designed for automatic insertion and suitable for tuning the entire VHF range in TV receivers and CTV applications. The diodes are supplied matched and taped for easy handling.
Key specifications include a reverse voltage rating of 32 V, junction temperature up to 425 °C, storage temperature range from –55 °C to +150 °C, and detailed capacitance, Q‑factor, and leakage current data across various bias voltages and frequencies. Matched groups meet a tracking condition of no more than 2.5 % capacitance deviation between 0.5 V and 28 V reverse bias.
| Reverse Voltage (Va) | 32 V |
|---|---|
| Junction Temperature (Tj) | 425 °C |
| Storage Temperature Range | -55 °C to +150 °C |
| Capacitance at 1 MHz, V=1 V | 35 pF |
| Capacitance at 1 MHz, V=28 V | 3.2 pF |
| Cutoff Frequency for Q=1 (V=3 V) | 9 GHz |
| Series Resonance Frequency (V=25 V) | 2 GHz |
| Series Inductance | 2 nH |
| Leakage Current (V=30 V) | 30 nA |
| Reverse Breakdown Voltage | 32 V |
The BB629 diode is rated for a reverse voltage of 32 V.
It can be stored from –55 °C up to +150 °C.
The capacitance is 35 pF under those conditions.
The leakage current is specified as 30 nA at 30 V.