Case Size C114 C124 C192 C202 C222
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C192K104K1R5CA (pdf) |
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MULTILAYER CERAMIC CAPACITORS/AXIAL & RADIAL LEADED Multilayer ceramic capacitors are available in a 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 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. 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 Class I Temperature compensating capacitors, II capacitors except for temperature characteristics, suitable for resonant circuit application or other appli- which are greater than ± Class III capacitors cations where high Q and stability of capacitance char- have the highest volumetric efficiency and poorest acteristics are required. Class I capacitors have stability of any type. 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. 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 X7R Class II, with a maximum capacitance or coupling applications or frequency discriminating change of ± 15% over an operating temperature circuits where Q and stability of capacitance char- range of - 55°C to + 125°C. acteristics are not of major importance. Class II Z5U Class III, with a maximum capacitance capacitors have temperature characteristics of ± 15% change of + 22% - 56% over an operating tem- or less. They are made from materials which are perature range of + 10°C to + 85°C. ferro-electric, yielding higher volumetric efficiency but less stability. Class II capacitors are affected by Specified electrical limits for these three temperature temperature, voltage, frequency and time. characteristics are shown in Table SPECIFIED ELECTRICAL LIMITS Parameter 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 vrms Z5U 1 kHz and vrms Dielectric Stength times rated DC voltage. Insulation Resistance IR At rated DC voltage, whichever of the two is smaller Temperature Characteristics Range, °C Capacitance Change without DC voltage * MHz and 1 vrms if capacitance 100 pF on military product. Temperature Characteristics Pass Subsequent IR Test ORDERING INFORMATION C 052 K 102 K 2 X 5 C A CERAMIC FAILURE RATE CASE SIZE See Table Below SPECIFICATION Military T MIL-PRF-39014 K MIL-C-11015 CAPACITANCE PICOFARAD CODE Expressed in picofarads pF . First two digits represent significant figures. Third digit specifies number of zeros A Not Applicable M P R S LEAD MATERIAL C 60/40 Tin/Lead SnPb INTERNAL CONSTRUCTION 5 Multilayer following except 9 indicates division by Examples µF = 100,000 pF = 104 and pF = See tables for standard values. CAPACITANCE TOLERANCE M ±20% K ±10% TEMPERATURE CHARACTERISTIC Cap. Change with Temp. KEMET Designator Military Equivalent EIA Equivalent Temp Range, °C Measured without DC Bias Voltage Measured with Bias Rated Voltage Standard tolerances for each Series are shown in the repetitive parts lists. Case Sizes X Stable R Stable -55 to +125° ±15% -55° to +125 ±15% +15% -25% +15% -40% Radial C052 C056 Axial C114 C124 WORKING VOLTAGE DC 2 200V 1 100V 5 50V C062 C192 C066 C202 Part Number Example C052K102K2X5CA 14 digits no spaces C222 |
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