Tech Note TN-0031 HVArc Guard® Multilayer Ceramic Capacitors: Hig

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Tech Note TN-0031 HVArc Guard® Multilayer Ceramic Capacitors: Hig

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Tech Note TN-0031
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 (TCC) Temperature Coefficient Capacitance (TCC) Dissipation Factor (Power Loss) Voltage Surge Resistance (High DV/DT) Equivalent Series Resistance (ESR) Aging Rate COMPARATIVE ADVANTAGE X7R: Much higher than (NP0) (NP0): change X7R: Capacitance drop 1000 rated products (NP0): ppm/°C from X7R: from with applied (NP0): lower than (NP0): Less prone self heating than (NP0): withstand higher surge (NP0): Lower than (NP0): Does X7R: maximum decade
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 500VDC/s. breakdown when applying
HiPot Voltage (DC) maximum voltage MLCC sustain oneto five-second period when charge/discharge current does exceed typical rise time this voltage 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)
TECH NOTE
Voltage Breakdown (AC) average voltage breakdown when applying Vrms/s
Document Number: 45062 Revision: 28-Jan-08
technical questions, contact: mlcc@vishay.com
www.vishay.com
Tech Note TN-0031
Vishay Vitramon
HVArc Guard® Multilayer Ceramic Capacitors: High-Voltage Capacitor Solutions
Rise time, Duration, Capability
Time (µs)
Figure surge voltage MLCC withstand when applied wave shape shown above: different waveforms were tested:
voltage capability tests shown following tables NP0:
TYPICAL VOLTAGE PERFORMANCE
HiPOT SURGE CAPABILITY ALTERNATING VOLTAGE (Vpk VOLTAGE VOLTAGE HiPOT VOLTAGE CURRENT CAP. RATING BREAKDOWN BREAKDOWN VOLTAGE REVERSE VOLTAGE (µF) (AC, Vrms) (DC) POLARITY (VDC) (DC) (AC, Vrms) (DC) 0.27 0.047 0.10 0.0082 0.056 0.056 0.15 1000 1000 1000 1000 2012 2811 2385 2949 2517 2822 2396 1100 1200 2100 1700 1400 2000 1300 1400 1000 1000 1200 1200 1000 1000 1000
PART NUMBER
VJ1812Y274KXPAT5Z VJ1206Y473KXEAT5Z VJ1812Y104KXLAT5Z VJ0805Y822KXGAT5Z VJ1206Y563KXGAT5Z VJ1210Y563KXGAT5Z VJ1812Y154KXGAT5Z
TYPICAL (NP0) VOLTAGE PERFORMANCE
HiPOT SURGE CAPABILITY ALTERNATING VOLTAGE VOLTAGE VOLTAGE VOLTAGE (Vpk HiPOT CURRENT CAP. RATING BREAKDOWN BREAKDOWN VOLTAGE REVERSE VOLTAGE (pF) (AC, Vrms) (DC) POLARITY (VDC) (DC) (AC, Vrms) (DC) 2700 2700 8200 1000 1500 3300 1000 1000 1000 1000 1500 1500 1500 2712 2812 3367 2812 2860 2590 3394 1150 1600 1300 1500 1300 1350 1300 2000 2300 2200 2300 2000 2000 2300 1800 2300 1700 2300 1900 1800 2000 1000 1000 1600 1750 1600 1400 1700 1600 1500 1500 2200 1700 2100 1700 1600 1800
PART NUMBER
VJ0805A391MXGAT5Z
TECH NOTE
VJ1210A272KXGAT5Z VJ1812A272KXGAT5Z VJ1812A822KXGAT5Z VJ1206A102KXRAT5Z VJ1206A152KXRAT5Z VJ1808A322KXRAT5Z
www.vishay.com
technical questions, contact: mlcc@vishay.com
Document Number: 45062 Revision: 28-Jan-08

Tech Note TN-0031 HVArc Guard® Multilayer Ceramic Capacitors: Hig

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