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Multilayer ceramic capacitors
Cautions and warnings
Notes on the selection of ceramic capacitors
In the selection of ceramic capacitors, the following criteria must be considered:
1. Depending on the application, ceramic capacitors used to meet high quality requirements should
at least satisfy the specifications to AEC-Q200. They must meet quality requirements going
beyond this level in terms of ruggedness (e.g. mechanical, thermal or electrical) in the case of
critical circuit configurations and applications (e.g. in safety-relevant applications such as ABS
and airbag equipment or durable industrial goods).
2. At the connection to the battery or power supply (e.g. clamp 15 or 30 in the automobile) and at
positions with stranding potential, to reduce the probability of short circuits following a fracture,
two ceramic capacitors must be connected in series and/or a ceramic capacitor with integrated
series circuit should be used. The MLSC from EPCOS contains such a series circuit in a single
component.
3. Ceramic capacitors with the temperature characteristics Z5U and Y5V do not satisfy the require-
ments to AEC-Q200 and are mechanically and electrically less rugged than C0G or X7R/X8R
ceramic capacitors. In applications that must satisfy high quality requirements, therefore, these
capacitors should not be used as discrete components (see the chapter “Effects on mechanical,
thermal and electrical stress”, point 1.4).
4. For ESD protection, preference should be given to the use of multilayer varistors (MLV) (see the
chapter “Effects on mechanical, thermal and electrical stress”, point 1.4).
5. An application-specific derating or continuous operating voltage must be considered in order to
cushion (unexpected) additional stresses (see the chapter “Reliability”).
The following should be considered in circuit board design
1. If technically feasible in the application, preference should be given to components having an
optimal geometrical design.
2. At least FR4 circuit board material should be used.
3. Geometrically optimal circuit boards should be used, ideally those that cannot be deformed.
4. Ceramic capacitors must always be placed a sufficient minimum distance from the edge of the
circuit board. High bending forces may be exerted there when the panels are separated and dur-
ing further processing of the board (such as when incorporating it into a housing).
5. Ceramic capacitors should always be placed parallel to the possible bending axis of the circuit
board.
6. No screw connections should be used to fix the board or to connect several boards. Compo-
nents should not be placed near screw holes. If screw connections are unavoidable, they must
be cushioned (for instance by rubber pads).
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B37947-K9682-J62
制造商:TDK Epcos 功能描述:CAPACITOR, CERAMIC, MULTILAYER, 16 V, C0G, 0.0068 uF, SURFACE MOUNT, 0805
B37949K1102J062
功能描述:CAP CER 1000PF 100V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-
B37949K1152J062
功能描述:CAP CER 1500PF 100V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-
B37949K1222J062
功能描述:CAP CER 2200PF 100V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-
B37949K1332J062
功能描述:CAP CER 3300PF 100V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-
B37949K1472J062
功能描述:CAP CER 4700PF 100V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-
B37949K1682J062
功能描述:CAP CER 6800PF 100V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-
B37949K5102J062
功能描述:CAP CER 1000PF 50V 5% NP0 1210 RoHS:是 类别:电容器 >> 陶瓷 系列:B37949K 标准包装:4,000 系列:- 电容:1000pF 电压 - 额定:50V 容差:±10% 温度系数:X7R 安装类型:表面贴装，MLCC 工作温度:-55°C ~ 125°C 应用:自动 额定值:AEC-Q200 封装/外壳:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引线间隔:- 特点:- 包装:带卷 (TR) 引线型:-