Siemens BB 669 Owner's Manual and User Guide
Summary
The BB 669 is a high-precision silicon tuning diode designed for advanced VHF and 2-Band hyperband TV tuner applications. Featuring an extremely small SMD package, low series resistance, and outstanding capacitance uniformity, it ensures superior performance in demanding RF environments. This technical manual provides comprehensive data sheets covering maximum ratings, detailed electrical characteristics (C/R), and essential guidelines for optimal in-line matching assembly. It is intended for electronics engineers and design professionals integrating compact, high-efficiency tuning solutions into complex broadcast receiver systems.
Page 1 Text Content
BB 669
Silicon Tuning Diode Preliminary data • For VHF 2-Band-hyperband-TV-tuners • Very high capacitance ratio • Low series resistance • Extremely small plastic SMD package • Excellent uniformity and matching due to
"in-line" matching assembly procedure VPS051761
Type Marking Ordering Code Pin Configuration Package BB 669 Q62702-B0839 1 = C 2 = A SOD-323
Maximum Ratings Parameter Symbol Value Unit Diode reverse voltage VVR
VRM 35Peak reverse voltage (R ≥ 5kΩ)
Forward current IF m A Operating temperature range - 55 ...+150 °C Storage temperature Tstg - 55 ...+150
Semiconductor Group Jul-10-19981 Semiconductor Group 1998-11-01
Page Summary Contents For Siemens BB 669 Owner's Manual and User Guide
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 3 |
| File Size | 31.73 KB |
| Published | May 31, 2026 |
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Frequently Asked Questions
BB 669的额定工作温度范围是多少？
其操作温度范围为 -55°C 至 +150°C，储存温度范围也是此范围。
该二极管的最大反向电压和峰值反向功率分别是多少？
最大反向电压可达 30 V；峰值反向功率则达到 35W 。
BB 669的典型电容比（Capacitance ratio）大约是多少？
在特定条件下，其典型的电容比约为 14.5 到 17。