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C322C222P3R5HA7317 PDF预览

C322C222P3R5HA7317

更新时间: 2024-11-17 10:43:03
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基美 - KEMET /
页数 文件大小 规格书
16页 965K
描述
Ceramic Capacitor, Ceramic, 25V, 0% +Tol, 100% -Tol, X7R, -/+15ppm/Cel TC, 0.0022uF, 2012,

C322C222P3R5HA7317 数据手册

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MULTILAYER CERAMIC CAPACITORS/AXIAL  
& RADIAL LEADED  
Multilayer ceramic capacitors are available in a  
edges of the laminated structure. The entire structure is  
fired at high temperature to produce a monolithic  
block which provides high capacitance values in a  
small physical volume. After firing, conductive  
terminations are applied to opposite ends of the chip to  
make contact with the exposed electrodes.  
Termination materials and methods vary depending on  
the intended use.  
variety of physical sizes and configurations, including  
leaded devices and surface mounted chips. Leaded  
styles include molded and conformally coated parts  
with axial and radial leads. However, the basic  
capacitor element is similar for all styles. It is called a  
chip and consists of formulated dielectric materials  
which have been cast into thin layers, interspersed  
with metal electrodes alternately exposed on opposite  
TEMPERATURE CHARACTERISTICS  
Ceramic dielectric materials can be formulated with  
a wide range of characteristics. The EIA standard for  
ceramic dielectric capacitors (RS-198) divides ceramic  
dielectrics into the following classes:  
Class III: General purpose capacitors, suitable  
for by-pass coupling or other applications in which  
dielectric losses, high insulation resistance and  
stability of capacitance characteristics are of little or  
no importance. Class III capacitors are similar to Class  
II capacitors except for temperature characteristics,  
Class I: Temperature compensating capacitors,  
suitable for resonant circuit application or other appli-  
cations where high Q and stability of capacitance char-  
acteristics are required. Class I capacitors have  
predictable temperature coefficients and are not  
affected by voltage, frequency or time. They are made  
from materials which are not ferro-electric, yielding  
superior stability but low volumetric efficiency. Class I  
capacitors are the most stable type available, but have  
the lowest volumetric efficiency.  
which are greater than  
15%. Class III capacitors  
have the highest volumetric efficiency and poorest  
stability of any type.  
KEMET leaded ceramic capacitors are offered in  
the three most popular temperature characteristics:  
C0G: Class I, with a temperature coefficient of 0  
30 ppm per degree C over an operating  
temperature range of - 55°C to + 125°C (Also  
known as “NP0”).  
Class II: Stable capacitors, suitable for bypass  
or coupling applications or frequency discriminating  
circuits where Q and stability of capacitance char-  
acteristics are not of major importance. Class II  
capacitors have temperature characteristics of 15%  
or less. They are made from materials which are  
ferro-electric, yielding higher volumetric efficiency but  
less stability. Class II capacitors are affected by  
temperature, voltage, frequency and time.  
X7R: Class II, with a maximum capacitance  
change of 15% over an operating temperature  
range of - 55°C to + 125°C.  
Z5U: Class III, with a maximum capacitance  
change of + 22% - 56% over an operating tem-  
perature range of + 10°C to + 85°C.  
Specified electrical limits for these three temperature  
characteristics are shown in Table 1.  
SPECIFIED ELECTRICAL LIMITS  
Temperature Characteristics  
X7R  
Parameter  
C0G  
Z5U  
Dissipation Factor: Measured at following conditions.  
C0G – 1 kHz and 1 vrms if capacitance >1000pF  
1 MHz and 1 vrms if capacitance 1000 pF  
X7R – 1 kHz and 1 vrms* or if extended cap range 0.5 vrms  
Z5U – 1 kHz and 0.5 vrms  
2.5%  
(3.5% @ 25V)  
0.10%  
4.0%  
Dielectric Stength: 2.5 times rated DC voltage.  
Pass Subsequent IR Test  
1,000 M  
or 100 G  
F
1,000 M  
or 100 G  
F
1,000 M  
or 10 G  
F
Insulation Resistance (IR): At rated DC voltage,  
whichever of the two is smaller  
Temperature Characteristics: Range, °C  
Capacitance Change without  
DC voltage  
-55 to +125  
30 ppm/°C  
-55 to +125  
15%  
+ 10 to +85  
+22%,-56%  
0
* MHz and 1 vrms if capacitance 100 pF on military product.  
Table I  
4
© KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300  

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