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Continued from the preceding page.
5. DC Voltage and AC Voltage Characteristics
1. The capacitance value of a high dielectric constant type
C02E.pdf
Sep.25,2013
capacitor changes depending on the DC voltage applied.
Please consider the DC voltage characteristics when a
capacitor is selected for use in a DC circuit.
1-1. The capacitance of ceramic capacitors may change
sharply depending on the applied voltage (see
figure).
Please confirm the following in order to secure the
capacitance.
(1) Determine whether the capacitance change
caused by the applied voltage is within the
allowed range.
[DC Voltage Characteristics]
Sample: X7R Characteristics 0.1μF, Rated Voltage 50VDC
20
0
-20
-40
-60
-80
-100
(2) In the DC voltage characteristics, the rate of
0
10
20 30
DC Voltage (V)
40
50
capacitance change becomes larger as voltage
increases, even if the applied voltage is below
the rated voltage. When a high dielectric constant
type capacitor is used in a circuit that requires a
tight (narrow) capacitance tolerance (e.g., a time
constant circuit), please carefully consider the
voltage characteristics, and confirm the various
characteristics in actual operating conditions in an
actual system.
2. The capacitance values of high dielectric constant type
capacitors changes depending on the AC voltage applied.
Please consider the AC voltage characteristics when
selecting a capacitor to be used in an AC circuit.
[AC Voltage Characteristics]
Sample: X7R Characteristics 10μF, Rated Voltage 6.3VDC
30
20
10
0
-10
-20
-30
-40
-50
-60
0
0.5
1
1.5
2
AC Voltage (Vr.m.s.)
6. Capacitance Aging
1. The high dielectric constant type capacitors have the
characteristic in which the capacitance value decreases
with the passage of time.
When you use high dielectric constant type capacitors in
a circuit that needs a tight (narrow) capacitance tolerance
(e.g., a time-constant circuit), please carefully consider
the characteristics of these capacitors, such as their
[Example of Change Over Time (Aging Characteristics)]
20
10
0
-10
aging, voltage, and temperature characteristics. In
addition, check capacitors using your actual appliances at
the intended environment and operating conditions.
-20
-30
-40
C0G
X7R
X5R
10
100
1000
10000
Time (h)
Continued on the following page.
142
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GRM43DR61E106MA12L
制造商:Murata Manufacturing Co Ltd 功能描述: 制造商:Murata Manufacturing Co Ltd 功能描述:CAP,CERAMIC CHIP,10UF,25VDC,20%,SMD,1812-CASE
GRM43DR71H155KA01L
功能描述:CAP CER 1.5UF 50V 10% X7R 1812 RoHS:是 类别:电容器 >> 陶瓷 系列:GRM 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:-
GRM43DR71H155MA01L
功能描述:CAP CER 1.5UF 50V 20% X7R 1812 RoHS:是 类别:电容器 >> 陶瓷 系列:GRM 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:-
GRM43DR72A155KA01L
功能描述:多层陶瓷电容器MLCC - SMD/SMT 1812 1.5uF 100volts X7R 10% 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
GRM43DR72A155MA01L
功能描述:多层陶瓷电容器MLCC - SMD/SMT 1812 1.5uF 100volts X7R 20% 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
GRM43DR72A334KW01L
制造商:Murata Manufacturing Co Ltd 功能描述:
GRM43DR72A474KA01L
功能描述:多层陶瓷电容器MLCC - SMD/SMT 1812 0.47uF 100volts 10% 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
GRM43DR72A474KW01L
制造商:Murata Manufacturing Co Ltd 功能描述: