| 分类选择 Capacitor selection | ||
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电介质种类 Dieiectric Type | |
| 电容量温度特性是选用电介质种类的一个重要依据。 | ||
| The choince of dielectric is largely determined by the temperature stability require. | ||
| NPO(COG): 一类电介，电气性能***稳定，基本上不随温度、电压与时间的改变而改变，适用对稳定性要求较高的高频电路. | ||
| NPO(COG): | Ultra stable Class I dielectric,With predictable change lf electrical properties on temperature,voltage,frequency and ed in circuits requining stable performance. | |
| X7R(2X1): |
二类电介质，电气性能较稳定，在温度、电压与时间改变时性能的变化并不显著，适用于隔直、偶合旁路与容量稳定性要求不太高的鉴频电路。由于X7R是一种强电介质，因而能造出容量比NPO介质更大的电容器。 |
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| X7R(2X1): |
Stable Class II dielectric,with predictable change lf electrical properties with temperature, voltage frequency and ed as blocking,coupling,by-pass and frequency discriminating.elements This dielectric is femoelectrics and lffers higher capacitance ranges than Class I. |
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| Y5V(Z5U): |
通用二类电介质，具有较高的介电常数，常用于生产比容较大的，标称容量较高的大容量电容器产品，其容量稳定性较X7R差，容量、损耗对温度、电压等测试条件敏感，适用于旁路、偶合、滤波、瞬时***隔直和充电储存电路。 |
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| Y5V(Z5U): |
General purpose Clsaa II dielectric wiht highest dielectric c***tant and greater variation of properties wiht temperature and test conditi***.Very high capacitance per unit volume and suited for bypass and coupling application as well as fitering,transient suppression blocking,and charge storage application. |
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电容量与偏差 Capacitance value | |
| 电容量与偏差的选择取决于本身的需要。注意，相同尺寸和容量规格下，偏差较大的电容器价格相对便宜。 | ||
| Delermined by circuit te that chip prices decrease with lower capacitance value and looser tolerance. | ||
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电压 Voltage | |
| 工作电压的选择也应取决于电路的要求，电容器的耐压参数在设计时已有一定的安全系数。 | ||
| Delermined by circuit requirements.Unit are designed to exceed the withstanding voltage specification,i,e.the user need notincorporate an additional safety margin. | ||
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片状电容器的端头电极 Chip capacitor termination | |
| 产品端头材料的选择主要根据电容器的焊接方式，客户就根据能否满足自己的焊接要求来选择纯银端头，还是三层电极端头（Ag/Ni/Sn）的片状产品。 | ||
| Terminaton choice is largely detrmined by the chip attachment method.Nickel baminer is recommended for units exposed to repeated solder cycles,to preclude leaching of the lver is used on umits to be lead attached,as the more ductile silver minimixes thermal cycling haza***. | ||
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包装 Packaging | |
| 电容器包装方式分为散装式袋包装、塑料盒散包装及编带包装两种形式。客户应根据自己的实际需要来选取。 | ||
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Units are ***ailable in bulk,some size on tape&reel or bulk cartridgs,specify if reeled. |
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