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.
Larger physical sizes than normally encountered chips are used to make
high voltage MLC chip products. Special precautions must be taken in
applying these chips in surface mount assemblies. 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.
For 1825, 2225 and 3640 sizes, AVX offers leaded version in either
thru-hole or SMT configurations (for details see section on high voltage
leaded MLC chips).
NEW 630V RANGE
HOW TO ORDER
1808
AVX
Style
0805
1206
1210
1808
1812
1825
2220
2225
3640
***
A
A
271
K
A
1
1
A
Voltage
Temperature Capacitance Code Capacitance
Test Level
Termination*
Packaging
Special
600V/630V = C
Coefficient
(2 significant digits
Tolerance
A = Standard 1 = Pd/Ag
1 = 7" Reel**
Code
1000V = A NPO (C0G) = A
+ no. of zeros)
C0G:J = ±5%
T = Plated
3 = 13" Reel A = Standard
1500V = S
X7R = C
Examples:
K = ±10%
Ni and Sn
(RoHS Compliant)
10 pF = 100
M = ±20%
2000V = G
100 pF = 101 X7R: K = ±10%
2500V = W
1,000 pF = 102
M = ±20%
3000V = H
22,000 pF = 223
Z = +80%,
4000V = J
220,000 pF = 224
-20%
5000V = K
1 μF = 105
*Note:
Terminations with 5% minimum lead (Pb) is available, see pages 87 and 88 for LD style.
Leaded terminations are available, see pages 89 and 90.
Notes: Capacitors with X7R dielectrics are not intended for applications across AC supply mains or AC line filtering with polarity reversal. Contact plant for recommendations.
Contact factory for availability of Termination and Tolerance options for Specific Part Numbers.
**
The 3640 Style is not available on 7" Reels.
***
AVX offers nonstandard chip sizes. Contact factory for details.
Requirements: 3 years of work experience for undergraduates, 2 years of work experience for masters. Telecommunications and communications related. Programming languages: C/C++/JAVA Workplace: Nanjing...
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Embedded System
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