Siemens BB 664 User Guide and Manual
Summary
The BB 664 Silicon Variable Capacitance Diode is a precision component engineered for VHF TV-tuners and RF applications. It features high capacitance ratios, low series resistance, and an ultra-compact SMD package size. The accompanying technical manual provides comprehensive specifications necessary for design, covering maximum operational limits (voltage, temperature), detailed electrical characteristics, and performance data on diode capacitance variation across multiple frequencies and voltages. With options for both matched and unmatched assemblies, this product is essential for electronics manufacturers requiring highly uniform, stable, and reliable radio frequency tuning components.
Page 1 Text Content
BB 664
Silicon Variable Capacitance Diode Preliminary data • For VHF TV-tuners • High capacitance ratio • Low series inductance • Low series resistance • Extremely small plastic SMD package
• Excellent uniformity and matching due to VES05991
"in-line" matching assembly procedure
Type Marking Ordering Code Package Pin Configuration
Q62702- B0909 (unmatched) 1=C 2=A SCD-80BB 664
BB 664 Q62702- B0908 (in-lined matched)
Maximum Ratings Parameter Symbol Unit Value Diode reverse voltage VR Peak reverse voltage (R ≥ 5kΩ) VRM Forward current IF m A Operating temperature range -55.. ...+125 °C Storage temperature Tstg -55... ...+150
Semiconductor Group Jul-10-19981 Semiconductor Group 1998-11-01
Page Summary Contents For Siemens BB 664 User Guide and Manual
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 3 |
| File Size | 32.15 KB |
| Published | June 04, 2026 |
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Frequently Asked Questions
这种二极管适用于什么应用？
它适用于 VHF TV-tuners。
“in-line"匹配有什么好处？
它可提供出色的均匀性和匹配度，这归功于其在线匹配组装程序。
BB 664的典型电容比率范围是多少？
在 V=2V 和 V=25V, f=1MHz 时，典型的电容比率（C/C）约为11.8到16.4。
这款二极管工作温度和储存温度的限制是多少？
其工作温度范围是 -55 至 +125°C，存储温度范围是 -55 至 +150°C。