Key facts
- Brand
- Siemens
- Model
- BB 639
- Category
- Other Electronics
- Documents
- 4
- Languages
- EN
- Last added
- 2012-06-05
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SIEMENS BB 639C handbook
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.
Read onlineSiemens BB 639 specifications
| Reverse voltage (Va) | 30 V |
|---|---|
| Peak reverse voltage (R = 5kΩ) | 35 V |
| Forward current | 20 mA |
| Operating temperature range | -55 … 125 °C |
| Storage temperature | -55 … +150 °C |
| Reverse current (Va=30V) | 10 nA |
| Reverse current (Vp=30V, Ta=85°C) | 200 nA |
| Capacitance ratio Crol/CT25 | 9.5 |
| Capacitance ratio Cy4/Cy2g | 13.5 |
| Capacitance matching (ACy/Cy) | 2.5 % |
| Series inductance (Ls) | 1.8 nH |
| Temperature coefficient of capacitance | 10 % |
Source: Siemens BB 639C Silicon Variable Capacitance Diode Datasheet
All Siemens BB 639 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum reverse voltage rating for the BB 639C diode?
The diode can withstand a reverse voltage of 30 V.
From: Siemens BB 639C Silicon Variable Capacitance Diode Datasheet
What is the typical forward current rating of the BB 639C?
The specified forward current is 20 mA.
From: Siemens BB 639C Silicon Variable Capacitance Diode Datasheet
What is the maximum reverse voltage for the BB 639C diode?
The maximum reverse voltage (Va) is 30 V.
From: Siemens BB 639C Silicon Variable Capacitance Diode Datasheet
What forward current can the BB 639C handle?
The diode is rated for a forward current of 20 mA.
From: Siemens BB 639C Silicon Variable Capacitance Diode Datasheet
What is the maximum reverse voltage for the BB 639 diode?
The diode can withstand up to 30 V reverse voltage, or 35 V when the series resistance exceeds 5 kΩ.
What forward current rating does the BB 639 support?
The forward current rating is 20 mA.