Tech Note TN0031 HVArc Guard® Multilayer Ceramic Capacitors: High
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Tech Note TN0031
HVArc Guard® Multilayer Ceramic Capacitors: High-Voltage Capacitor Solutions
HVArc Guard MLCCs have been developed with worldwide patent-pending design Vishay prevent surface arc-over. This development allowed Vishay significantly extend range capability high-voltage class class MLCCs. help designers select best HVArc Guard® MLCC their application, their typical properties compared this document.
Comparison With (NP0)
advantages HVArc Guard® MLCCs made with these different dielectric systems compared following table: voltage capability tests shown following tables NP0:
Property
Initial Capacitance Voltage Coefficient Capacitance (VCC)
Comparative Advantage
X7R: Much higher than (NP0) (NP0): change X7R: Capacitance drop 1000-VDC rated products (NP0): from X7R: from with applied C0G(NP0): lower than (NP0): Less prone self heating than (NP0): withstand higher surge (NP0): Lower than (NP0): Does X7R: maximum decade HiPot Voltage (DC) maximum voltage MLCC sustain one- five-second period when charge/discharge current does exceed typical rise time this voltage milliseconds. HiPot Reverse Polarity (DC) voltage MLCC withstand when successive HiPots applied polarity reversed with further HiPots being applied. This important parameter applications where voltage spikes occur both directions. Alternating Current Voltage (AC) maximum 60-Hz voltage level MLCCs withstand with successive power cycling. Surge Capability (DC)
Temperature Coefficient Capacitance (TCC)
Dissipation Factor (Power Loss) Voltage Surge Resistance (High DV/DT) Equivalent Series Resistance (ESR) Aging Rate
Voltage Rating
voltage rating assigned based ability design sustain this voltage higher 1000 hours This rating does describe level voltage that applied different rise times, effect reversing polarity, voltage capability. these reasons, Vishay developed series tests determine capabilities that described below.
Voltage Capability Testing
Voltage Breakdown (DC) average voltage breakdown when applying VDC/ second. Voltage Breakdown (AC) average voltage breakdown when applying Vrms/ second
TECH NOTE
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VMN-TN0031-0705
Tech Note TN0031
HVArd Guard Multilayer Ceramic Capacitors: High-Voltage Capacitor Solutions
Rise Time, Duration, Capability
Time µsec)
Figure surge voltage MLCC withstand when applied wave shape shown above: different waveforms were tested: µsec µsec, µsec µsec.
voltage capability tests shown following tables NP0:
Typical Voltage Performance
Part Number Cap. (µF)
0.27 0.047 0.10 0.0082 0.056 0.056 0.15
Voltage Voltage Rating Breakdown (VDC) (DC)
1000 1000 1000 1000 2012 2811 2385 2949 2517 2822 2396
Voltage Breakdown Vrms)
HiPot Voltage (DC)
1100 1200 2100 1700 1400 2000 1300
HiPot Voltage Reverse Polarity (DC)
1400 1000 1000 1200 1200
Surge Capability Alternating (Vpk Current Voltage µsec µsec Vrms) µsec µsec
1000 1000 1000
VJ1812Y274KXPAT5Z VJ1206Y473KXEAT5Z VJ1812Y104KXLAT5Z VJ0805Y822KXGAT5Z VJ1206Y563KXGAT5Z VJ1210Y563KXGAT5Z VJ1812Y154KXGAT5Z
TECH NOTE
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technical support, contact mlcc.specials@vishay.com
Document Number: 49602 Revision 14-May-07
Tech Note TN0031
HVArd Guard Multilayer Ceramic Capacitors: High-Voltage Capacitor Solutions
Typical (NP0) Voltage Performance
Part Number Cap. (pF)
2700 2700 8200 1000 1500 3300
Voltage Voltage Rating Breakdown (VDC) (DC)
1000 1000 1000 1000 1500 1500 1500 2712 2812 3367 2812 2860 2590 3394
Voltage Breakdown Vrms)
1150 1600 1300 1500 1300 1350 1300
HiPot Voltage (DC)
2000 2300 2200 2300 2000 2000 2300
HiPot Voltage Reverse Polarity (DC)
1800 2300 1700 2300 1900 1800 2000
Surge Capability Alternating (Vpk Current Voltage µsec µsec Vrms) µsec µsec
1000 1000 1600 1750 1600 1400 1700 1600 1500 1500 2200 1700 2100 1700 1600 1800
VJ0805A391MXGAT5Z VJ1210A272KXGAT5Z VJ1812A272KXGAT5Z VJ1812A822KXGAT5Z VJ1206A102KXRAT5Z VJ1206A152KXRAT5Z VJ1808A332KXRAT5Z
TECH NOTE
Document Number: 49602 Revision 14-May-07
technical support, contact mlcc.specials@vishay.com
www.vishay.com
Tech Note TN0031
HVArd Guard Multilayer Ceramic Capacitors: High-Voltage Capacitor Solutions
NOTICE Specifications products displayed herein subject change without notice. Vishay Intertechnology, Inc., anyone behalf, assumes responsibility liability errors inaccuracies. Information contained herein intended provide product description only. license, express implied, estoppel otherwise, intellectual property rights granted this document. Except provided Vishay's terms conditions sale such products, Vishay assumes liability whatsoever, disclaims express implied warranty, relating sale and/or Vishay products including liability warranties relating fitness particular purpose, merchantability, infringement patent, copyright, other intellectual property right. products shown herein designed medical, life-saving, life-sustaining applications. Customers using selling these products such applications their risk agree fully indemnify Vishay damages resulting from such improper sale.
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TECH NOTE
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Document Number: 49602 Revision 14-May-07
www.vishay.com
technical support, contact mlcc.specials@vishay.com
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