CONTACT US  |  CUSTOMER SERVICE   KE Home     Search     FAQs     Technical Articles     Contact Us     Help   Here is a list of all the documents: Products  Category Summary Ceramic Labeling,Packaging,Part Markings,Part Number KEMET Ceramic P/N Suffixes - Marking & Packaging Aluminum Ceramic Tantalum Capacitor Selection,Aluminum vs Ceramic vs Tantalum How do I choose between a polymer aluminum, ceramic and tantalum capacitor? Ceramic Tantalum Failure What are the typical failure modes of your military capacitors? Can they ignite or burn? Ceramic Capacitor Selection What is the difference between military BX & BR, and how does it compare with commercial X7R, & X5R? How about military BP, as compared to commercial C0G, C0H, & C0K? Ceramic Piezoelectric Effect Are your military ceramic capacitors subject to the piezoelectric effect? Ceramic Cracking,Failure Modes,Leakage,Reliability Re: What are the typical failure modes of ceramic capacitors? Ceramic Aging What is "aging?" Ceramic Tantalum Reliability How can I calculate reliability for differing conditions of temperature and voltage? Tantalum Materials,Product Offerings What is the Moisture Sensitivity Level (MSL) of your military / Ta surface mount COTS products? Ceramic Tantalum Aging Do your military capacitors exhibit “aging”? If so, how is it quantized? Ceramic Product Offerings Will there be an AEC-Q200 qualification for the high voltage MLCC products? Tantalum KEMET Part Number,Part Number What does “COTS” mean? Ceramic Product Offerings For KEMET's high voltage MLCC's, what is the ultimate voltage breakdown UVBD per voltage rating? Ceramic Soldering,Thermal Info What temperature profiles for soldering can your military ceramic products withstand? Ceramic Derating Should I derate the DC voltage for ceramic capacitors, as I do for tantalums? Tantalum Product Offerings What series of Tantalum Capacitors do you manufacture? Ceramic Part Number,Product Offerings What is the electrostatic dissipation capability of your ceramic products? Ceramic Tantalum Capacitor Selection What are the most significant differences in tantalum and ceramic capacitors for a given application? Ceramic High Frequency Performance,S-Parameter,SPICE,Resonance Comparison of simple series RLC model with complex SPICE models Tantalum Leakage,Operating Temperature Ranges What happens to the DC Leakage over the T525's operating temperature range (-55 to +125 degree C)? Ceramic Product Offerings What other names might we seen associated with Sierra-KD products in the past? Ceramic Capacitance Adjustment,Flex Robustness,Product Offerings How do the Voltage coefficient of capacitance, Impedance curves, Q factor, Flex robustness for high volt MLCC compare to standard MLCC by dielectric? Ceramic Tantalum Product Offerings How can I determine the high frequency performance (capacitance, ESR, ESL, resonant frequency) of your military products? Ceramic KEMET Part Number,Product Offerings What parts are included in the Sierra-KD acquisition? Ceramic Aging What are the aging rates for KEMET's high voltage MLCC products? Ceramic KEMET Part Number,Part Number Will the part number change or will the WilsonGreatbatch part numbers be used for Sierra-KD? Ceramic Product Offerings What is the difference between MIL-PRF-123 & MIL-PRF-55681 Tantalum KEMET Part Number Is there a problem with tin whiskers on the Ta surface mount Military COTS T493 product? Tantalum Part Number,Product Offerings What is the difference between Military and Military COTS T493 tantalum SMD's? Ceramic Materials,Product Offerings What is the “low voltage failure mode” and does it apply to military ceramics? Ceramic Product Offerings,Terminations What is the lead wire material and finish on leaded military ceramic capacitors? Ceramic KEMET Part Number,Product Offerings Where will the Sierra-KD products be manufactured? Ceramic Materials Are your military ceramic capacitors subject to outgassing? Do they contain organic materials? Ceramic Tantalum Soldering Can your military products be used in Pb-free soldering profiles? Ceramic Environmental Impact,Product Offerings Is the high voltage MLCC product lead-free, RoHS compliant? Ceramic Product Offerings What is the Moisture Sensitivity Level (MSL) of your military ceramic products? Ceramic Capacitor Selection,Product Offerings,Reliability Can I substitute higher voltage and tighter tolerance ceramic capacitors in an application? Tantalum Product Offerings What is the difference between MIL-PRF-55365 and KEMET's T493 product? Ceramic Flammability What is the flammability rating of your military ceramic capacitors? What about MIL-C-11015? Ceramic Product Offerings Are the high voltage MLCC parts 100% DWV tested, at the following criteria 1.5 Vr below 1 kV, 1.2Vr > 1 kV ? Tantalum Product Offerings What does “COTS” mean? Tantalum KEMET Part Number How do I order the different options available with the T493 product Ceramic Leakage How can I calculate DC leakage limits for your military ceramic products? Ceramic Product Offerings Why is the High Voltage GoldMax leaded ceramic capacitor product line being offered by KEMET? Tantalum Product Offerings Are the T498 components available as RoHS-Compliant? Ceramic Capacitor Selection What is the difference between military and commercial ceramic capacitors? Ceramic Product Offerings Why is this high voltage MLCC product line being offered by KEMET ? Ceramic Product Offerings What are the special features of this High Voltage Surface Mount chip? Ceramic Tantalum High Frequency Performance What is the high frequency impedance, equivalent series resistance, or capacitance? How about ripple current capabilities? Ceramic Failure Modes What are the typical failure modes of ceramic capacitors? Ceramic Materials,Product Offerings Are military ceramics made with Base Metal Electrodes (BME)? Ceramic Thermal Info Do you have military products that can be used at 150C? Tantalum Part Number Where are your Ta surface mount Military COTS T493 series capacitors manufactured? Ceramic Product Offerings What are KEMET’s long term plans for the Sierra-KD line? Ceramic Product Offerings Has this high voltage MLCC product line been qualified? Ceramic Product Offerings How do I place all new orders for Sierra-KD? Ceramic Product Offerings Why do we consider high voltage MLCC's high voltage? Ceramic Reliability What is the typical reliability of a ceramic chip capacitor? Tantalum Terminations What are the available termination types on the Ta surface mount Military COTS T493 series? Ceramic Product Offerings What are the aging rates for the High Voltage GoldMax series? Ceramic Product Offerings What are the lead times for the Sierra-KD products? Ceramic Rated Voltage vs Temperature,Derating Do ceramic capacitors require derating of DC Voltage vs Temperature? Ceramic Soldering Are tin whiskers a concern for your ceramic military products? Tantalum KEMET Part Number,Product Offerings Will KEMET consider building this product to a customer drawing? Ceramic Product Offerings What are the markets for this high voltage series? Ceramic Terminations What are the termination types on military ceramic chips? Ceramic Tantalum Environmental Impact,Product Offerings Do your military products contain any of the Restriction of Hazardous Substances (RoHS) materials, including Cd, Pb, brominated flame retardants, etc.? Ceramic Dielectric Absorption Dielectric properties? Ceramic Dielectric Absorption Do your military ceramic capacitors exhibit “dielectric absorption”? Tantalum KEMET Part Number Can I order specially-screened military products? If so, why can’t I get “special” parts JAN branded? Ceramic Soldering,Terminations What is the internal solder used in your leaded military ceramic products? Tantalum Product Offerings What is the country of origin of the T525? Tantalum Product Offerings How can I identify RoHS-compliant tantalum leaded products? Tantalum Product Offerings Are there any manufacturing differences in the T520 and T525? Tantalum Product Offerings What solder reflow profile is recommended for the Tantalum Leaded RoHS-Compliant parts? Tantalum Product Offerings What ESR level does the E-spec for the T495 part type translate to - how do I read the E-spec? Ceramic Product Offerings Where are your military ceramic capacitors manufactured? Tantalum KEMET Part Number What if I only want to take advantage of one of the options offered on the Ta surface mount Military COTS T493 product? Ceramic Tantalum Capacitor Selection Can I order specially-screened military products? If so, why can’t I get “special” parts JAN branded? Tantalum Product Offerings What is the KEMET T498 series capacitor? Ceramic Atmospheric Pressure Are your military ceramic capacitors subject to variations in performance due to changes in atmospheric pressure? Ceramic Product Offerings When will you offer case sizes 0603 & 0402 in military ceramic chips? Ceramic Product Offerings Is the Tin/Lead termination ceramic surface mount capacitor product RoHS compliant? Tantalum Competitive Cross Reference Is there a second source for the T525? Tantalum Product Offerings What series of leaded tantalum capacitors are available in a RoHS-Compliant option? Ceramic EIA Designations What do all the EIA letters stand for, such as X7R, etc? Tantalum Materials What does "free of brominated flame retardants" mean? Ceramic Flex Robustness What is the flex capability of your military MLCC? Ceramic Product Offerings Why is the Commercial-Off-The-Shelf ceramic surface mount capacitor product line being offered by KEMET? Ceramic Materials,Part Number,Product Offerings What is the thickness of your military ceramic chips? Ceramic Product Offerings What dielectrics and voltages are available with theTin/Lead termination ceramic surface mount capacitor product? Ceramic Product Offerings Is the COTS ceramic surface mount capacitor product RoHS compliant? Tantalum Capacitor Selection What capacitance tolerances are offered for the T525? Ceramic Military Qualification,Product Offerings What Military Certifications are associated with the Sierra-KD products and when will they be in place? Ceramic Product Offerings Is the High Voltage GoldMax leaded product lead-free, RoHS compliant? Ceramic Product Offerings What is the difference in the KEMET standard termination and Tin/Lead termination for theTin/Lead termination ceramic surface mount capacitor product? Tantalum Packaging What are the packaging specifications for the T525 series? Tantalum Product Offerings When will the T499 (175° C capable) series be available? Ceramic Product Offerings Why is the Tin/Lead termination ceramic surface mount capacitor product line being offered by KEMET? (Results @ERROR-@ERROR of 400)   Technical Papers featured at CARTS 2010: Click here for a full listing of our Technical Papers   High Cap Stacked MLCCs for Power Supplies     Can ESR Be Too Low     Spice Models with Temperature-Bias-Frequency Concerns     Electrolyte Development for High Temp Alum-Electrolytic Capacitors     Performance and Reliability of High Voltage Polymer T521