多层片式陶瓷电容”俗称“贴片电容”。本产品采用独特先进的“叠层热压”工艺，具有良好的耐压性能、能承受较高的击穿电压；并在单位体积内能将容量做的更大、耐压更高、体积更小；且绝缘电阻、使用频率及介质损耗等性能稳定。特别适合自动表贴及超薄产品的安装.
常用尺寸有1206、0805、0603、0402；介质材料分为c0g、x7r（x5r）、y5v，不同材质对应不同温度系数、温度范围、介质损耗及使用频率。multilayer chip ceramic capacitor (mlcc):
general mlcc常规多层片式瓷介电容器 |
size code 尺寸 | rated voltage 额定电压 | capacitance 电容值 | more info. |
c0g | x7r | y5v |
0402 | 100v | -- | -- | -- | see note below. |
50v | 0.2pf ~ 1.0nf | 100pf~10nf | 1.0nf~10nf |
25v | 0.2pf ~ 470pf | 100pf~22nf | 1.0nf~33nf |
16v | -- | 100pf~0.1μf | 1.0nf~0.1μf |
10v | -- | 100pf~0.1μf | 1.0nf~0.33μf |
6.3v | -- | 100pf~0.22μf | 1.0nf~1.0μf |
0603 | 100v | 0.2pf~1.0nf | 100pf~10nf | -- |
50v | 0.2pf~1.5nf | 100pf~0.1μf | 2.2nf~0.1μf |
25v | 0.2pf~2.2f | 100pf~1.0μf | 2.2nf~0.22μf |
16v | -- | 100pf~1.0μf | 2.2nf~1.0μf |
10v | -- | 100pf~1.5μf | 2.2nf~1.5μf |
6.3v | -- | 100pf~2.2μf | 2.2nf~2.2μf |
0805 | 100v | 0.5pf~1.5nf | 100pf~22nf | -- |
50v | 0.5pf~2.2nf | 100pf~0.22μf | 10nf~1.0μf |
25v | 0.5pf~10nf | 100pf~1.0μf | 10nf~1.5μf |
16v | -- | 100pf~1.5μf | 10nf~2.2μf |
10v | -- | 100pf~4.7μf | 10nf~4.7μf |
6.3v | -- | 100pf~10μf | 10nf~10μf |
1206 | 100v | 0.5pf~2.2nf | 100pf~0.1μf | -- |
50v | 0.5pf~4.7nf | 100pf~1.0μf | 10nf~2.2μf |
25v | 0.5pf~10nf | 100pf~1.5μf | 10nf~2.2μf |
16v | -- | 100pf~2.2μf | 10nf~4.7μf |
10v | -- | 100pf~10μf | 10nf~10μf |
6.3v | -- | 100pf~22μf | 10nf~22μf |
high voltage mlcc |
size code | rated voltage(v) | capacitance (pf) | more info. |
c0g | x7r |
0603 | 100 | 0.1~820 | 100~10,000 | |
200 | 0.1~470 | 100~6,800 |
250 | 0.1~470 | 100~6,800 |
0805 | 100 | 0.1~1,500 | 100~100,00 |
200 | 0.1~1,500 | 100~47,000 |
250 | 0.1~1,500 | 100~33,000 |
500 | 0.1~560 | 100~10,000 |
1000 | 0.1~100 | -- |
1206 | 100 | 0.1~3,300 | 100~220,000 |
200 | 0.1~2,700 | 100~100,000 |
250 | 0.1~2,700 | 100~100,000 |
500 | 0.1~1,500 | 100~33,000 |
1000 | 0.1~1,000 | 100~10,000 |
2000 | 0.1~330 | 100~2,200 |
容量容差capacitancetolerance
b=±0.1pf
c=±0.25pf
d=±0.5pf
f=±1.0%
g=±2.0%
j=±5.0%
k=±10%
电容器及介质分类 types of capacitor and dielectric material
c0g：此类介质材料的电容器为ⅰ类电容器, 包括常规c0g 产品和hq c0g 产品。此类产品电性能稳定，几乎不随温度、电压和时间的变化而变化。适用于低损耗，稳定性要求高的电路中，如滤波器、谐振器和计时电路中。
c0g : the capacitor of this kind dielectric material is considered as classⅰcapacitor, including general capacitor and high frequency c0g capacitor。the electrical properties of c0g capacitor are the most stable one and have little change with temperature, voltage and time. they are suited for applications where low-losses and high-stability are required, such as filters, oscillators, and timing circuits.
x7r、x5r：此类介质材料的电容器为ⅱ类电容器，具有较高的介电常数，容量比ⅰ类电容器高，具有较稳定的温度特性，适用于容量范围广，稳定性要求不高的电路中，如隔直、耦合、旁路、鉴频等电路中。
x7r、x5r: x7r、x5r material is a kind of material has high dielectric constant. the capacitor made of this kind material is considered as class ⅱ capacitor whose capacitance is higher than that of class ⅰ. these capacitors are classified as having a semi-stable temperature characteristic and used over a wide temperature
range, such in these kinds of circuits, dc-blocking, decoupling, bypassing, frequency discriminating etc.
y5v：此类介质材料的电容器为ⅱ类电容器，是所有电容器中介电常数最大的电容器，但其容量稳定性较差，对温度、电压等条件较敏感，适用于要求大容量，温度变化不大的电路中。
y5v: the capacitor made of this kind of material is the highest dielectric constant of all ceramic capacitors. they are used over a moderate temperature range in application where high capacitance is required because of its unstable temperature coefficient, but where moderate losses and capacitance changes can be tolerated. its capacitance and dissipation factors are sensible to measuring conditions, such as temperature and voltage, etc
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