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参数资料
| 型号： | 04023J2R9ABSTR |
| 厂商： | AVX Corporation |
| 文件页数： | 2/26页 |
| 文件大小： | 0K |
| 描述： | CAP THIN FILM 2.9PF 25V 0402 |
| 标准包装： | 1 |
| 系列： | Accu-P® |
| 电容： | 2.9pF |
| 电压 - 额定： | 25V |
| 容差： | ±0.05pF |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 0402（1005 公制） |
| 工作温度： | -55°C ~ 125°C |
| 特点： | RF，高 Q 值，低损耗 |
| 包装： | 剪切带 (CT) |
| 尺寸/尺寸： | 0.039" L x 0.022" W（1.00mm x 0.55mm） |
| 高度 - 座高（最大）： | 0.020"（0.50mm） |
| 其它名称： | 478-6775-1 |
Accu-P ?
Thin-Film Technology
THE IDEAL CAPACITOR
The non-ideal characteristics of a real capacitor can be
ignored at low frequencies. Physical size imparts inductance
to the capacitor and dielectric and metal electrodes result in
This accuracy sets apart these Thin-Film capacitors from
ceramic capacitors so that the term Accu has been
employed as the designation for this series of devices, an
abbreviation for “accurate.”
1
resistive losses, but these often are of negligible effect on the
circuit. At the very high frequencies of radio communication
(>100MHz) and satellite systems (>1GHz), these effects
become important. Recognizing that a real capacitor will
exhibit inductive and resistive impedances in addition to
capacitance, the ideal capacitor for these high frequencies is
an ultra low loss component which can be fully characterized
in all parameters with total repeatability from unit to unit.
Until recently, most high frequency/microwave capacitors
were based on fired-ceramic (porcelain) technology. Layers
of ceramic dielectric material and metal alloy electrode paste
are interleaved and then sintered in a high temperature oven.
This technology exhibits component variability in dielectric
quality (losses, dielectric constant and insulation resistance),
variability in electrode conductivity and variability in physical
size (affecting inductance). An alternate thin-film technology
has been developed which virtually eliminates these vari-
ances. It is this technology which has been fully incorporated
into Accu-P ? and Accu-P ? to provide high frequency capaci-
tors exhibiting truly ideal characteristics.
The main features of Accu-P ? may be summarized as follows:
? High purity of electrodes for very low and repeatable
ESR.
? Highly pure, low-K dielectric for high breakdown field,
high insulation resistance and low losses to frequencies
above 40GHz.
THIN-FILM TECHNOLOGY
Thin-film technology is commonly used in producing semi-
conductor devices. In the last two decades, this technology
has developed tremendously, both in performance and in
process control. Today’s techniques enable line definitions of
below 1μm, and the controlling of thickness of layers at 100?
(10 -2 μm). Applying this technology to the manufacture of
capacitors has enabled the development of components
where both electrical and physical properties can be tightly
controlled.
The thin-film production facilities at AVX consist of:
? Class 1000 clean rooms, with working areas under
laminar-flow hoods of class 100, (below 100 particles
per cubic foot larger than 0.5μm).
? High vacuum metal deposition systems for high-purity
electrode construction.
? Photolithography equipment for line definition down to
2.0μm accuracy.
? Plasma-enhanced CVD for various dielectric deposi-
tions (CVD=Chemical Vapor Deposition).
? High accuracy, microprocessor-controlled dicing saws
for chip separation.
? High speed, high accuracy sorting to ensure strict
tolerance adherence.
? Very tight dimensional control for uniform inductance,
unit to unit.
? Very tight capacitance tolerances for high frequency
signal applications.
Orientation Marking
Alumina (Al 2 O 3 )
Electrode
Seal
(SiNO)
Dielectric (SiO 2 / SiNO)
Electrode
Alumina (Al 2 O 3 )
Terminations
ACCU-P ? CAPACITOR STRUCTURE
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 04023J2R9ABSTR/5K | 制造商:AVX Corporation 功能描述:CAP THIN FILM 2.9PF 25V 0402 |
| 04023J2R9BBSTR | 功能描述:多层陶瓷电容器MLCC - SMD/SMT 25volts 2.9pF RoHS:否 制造商:American Technical Ceramics (ATC) 电容:10 pF 容差:1 % 电压额定值:250 V 温度系数/代码:C0G (NP0) 外壳代码 - in:0505 外壳代码 - mm:1414 工作温度范围:- 55 C to + 125 C 产品:Low ESR MLCCs 封装:Reel |
| 04023J2R9BBSTR/500 | 制造商:AVX Corporation 功能描述:CAP THIN FILM 2.9PF 25V 0402 |
| 04023J2R9BBSTR\\500 | 制造商:AVX Corporation 功能描述:CAP 2.9PF 25VDC C0G 0.1PF SMD 0402 - Tape and Reel |
| 04023J2R9BBSTR\500 | 功能描述:薄膜电容器 25volts 2.9pF RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm |
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