High Voltage MLC Chip Capacitors
For 600V to 3000V Automotive Applications – AEC-Q200
Modern automotive electronics could require components capable to work with high
voltage (e.g. xenon lamp circuits or power converters in hybrid cars). AVX offer high
voltage ceramic capacitors qualified according to AEC-Q200 standard.
High value, low leakage and small size are difficult parameters to obtain in capacitors
for high voltage systems. AVX special high voltage MLC chip capacitors meet these
performance characteristics and are designed for applications such as snubbers in
high frequency power converters, resonators in SMPS, and high voltage coupling / dc
blocking. These high voltage chip designs exhibit low ESRs at high frequencies.
Due to high voltage nature, larger physical dimensions are necessary. These larger
sizes require special precautions to be taken in applying of MLC chips. The
temperature gradient during heating or cooling cycles should not exceed 4ºC per
second. The preheat temperature must be within 50ºC of the peak temperature
reached by the ceramic bodies through the soldering process. Chip sizes 1210 and
larger should be reflow soldered only. Capacitors may require protective surface
coating to prevent external arcing.
To improve mechanical and thermal resistance, AVX recommend to use flexible
terminations system - FLEXITERM
®
.
HOW TO ORDER
1210
AVX
Style
1206
1210
1808
1812
2220
C
Voltage
C = 630V
A = 1000V
S = 1500V
G = 2000V
W = 2500V
H = 3000V
C
Dielectric
C = X7R
223
Capacitance Code
(2 significant digits
+ no. of zeros)
e.g. 103 = 10nF
(223 = 22nF)
K
Capacitance
Tolerance
J = ±5%
K = ±10%
M = ±20%
4
Failure Rate
4 = Automotive
T
Termination
T = Plated Ni/Sn
Z = FLEXITERM
®
1
Packaging
2 = 7" Reel
4 = 13" Reel
A
Special
Code
A = Standard
*AVX offers nonstandard case sizes. Contact factory for details.
Notes: Capacitors with X7R dielectrics are not intended for applications across AC supply mains or AC line filtering with polarity reversal.
Please contact AVX for recommendations.
CHIP DIMENSIONS DESCRIPTION
(See capacitance range chart on page 102)
L
W
T
t
t
L = Length
W = Width
T = Thickness
t = Terminal
X7R DIELECTRIC PERFORMANCE CHARACTERISTICS
Parameter/Test
Operating Temperature Range
Capacitance
Dissipation Factor
Capacitance Tolerance
Temperature Characteristics
Insulation Resistance
Dielectric Strength
Specification Limits
-55°C to +125°C
within specified tolerance
2.5% max.
±5% (J), ±10% (K), ±20% (M)
X7R = ±15%
100GΩ min. or 1000MΩ • μF min. (whichever is less)
10GΩ min. or 100MΩ • μF min. (whichever is less)
No breakdown or visual defect
Measuring Conditions
Temperature Cycle Chamber
Freq.: 1kHz ±10%
Voltage: 1.0Vrm s ±0.2Vrms
T = +25°C, V = 0Vdc
Vdc = 0V, T = (-55°C to +125°C)
T = +25°C, V = 500Vdc
T = +125°C, V = 500Vdc
(t ≥ 120 sec, I ≤ 50mA)
120% of rated voltage
t ≤ 5 sec, I ≤ 50mA
101
嵌入式系统
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