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參數(shù)資料
| 型號： | 18121Cxxx |
| 廠商： | AVX Corporation |
| 英文描述： | General Specifications |
| 中文描述： | 一般規(guī)格 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大小： | 338K |
| 代理商： | 18121CXXX |
39
High Voltage Chips
For 500V to 5000V Applications
High value, low leakage and small size are difficult parameters to obtain
in capacitors for high voltage systems. AVX special high voltage MLC
chips 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 chips. These larger sizes require that special pre-
cautions be taken in applying these chips in surface mount assem-
blies. This is due to differences in the coefficient of thermal expansion
(CTE) between the substrate materials and chip capacitors. Apply heat
at less than 4°C per second during the preheat. Maximum preheat
temperature must be within 50°C of the soldering temperature.
The solder temperature should not exceed 230°C. Chips 1808 and
larger to use reflow soldering only.
Capacitors with X7R Dielectrics are not intended for AC line filtering
applications.
Contact plant for recommendations. Capacitors may require protective
surface coating to prevent external arcing.
PART NUMBER (see page 2 for complete information and options)
1808
A
A
271
DIMENSIONS
SIZE
(L) Length
millimeters (inches)
2225*
5.72 ± 0.25
1206
3.20 ± 0.2
(0.126 ± 0.008) (0.126 ± 0.008) (0.180 ± 0.010) (0.177 ± 0.012) (0.177 ± 0.012) (0.224 ± 0.016) (0.225 ± 0.010) (0.360 ± 0.010)
1.60 ± 0.2
2.50 ± 0.2
2.03 ± 0.25
3.20 ± 0.2
(0.063 ± 0.008) (0.098 ± 0.008) (0.080 ± 0.010) (0.126 ± 0.008) (0.252 ± 0.012) (0.197 ± 0.016) (0.250 ± 0.010) (0.400 ± 0.010)
1.52
1.70
2.03
2.54
(0.060)
(0.067)
(0.080)
(0.100)
0.25 (0.010)
0.25 (0.010)
0.25 (0.010)
0.25 (0.010)
0.75 (0.030)
0.75 (0.030)
1.02 (0.040)
1.02 (0.040)
1210
3.20 ± 0.2
1808*
4.57 ± 0.25
1812*
4.50 ± 0.3
1825*
4.50 ± 0.3
2220*
5.7 ± 0.4
3640*
9.14 ± 0.25
(W) Width
6.40 ± 0.3
5.0 ± 0.4
6.35 ± 0.25
10.2 ± 0.25
(T) Thickness
Max.
(t) terminal
2.54
(0.100)
0.25 (0.010)
1.02 (0.040)
3.3
2.54
(0.100)
0.25 (0.010)
1.02 (0.040)
2.54
(0.100)
0.76 (0.030)
1.52 (0.060)
(0.130)
0.25 (0.010)
1.02 (0.040)
min.
max.
*Reflow Soldering Only
W
L
T
t
AVX
Style
1206
1210
1808
1812
1825
2220
2225
3640
Voltage
7
=
500V
C
=
600V
A
=
1000V
S
=
1500V
G
=
2000V
W
=
2500V
H
=
3000V
J
=
4000V
K
=
5000V
Temperature
Coefficient
A = C0G
C = X7R
Capacitance
Code
(2 significant digits
+ no. of zeros)
Examples:
10 pF = 100
100 pF = 101
1,000 pF = 102
22,000 pF = 223
220,000 pF = 224
1 μF = 105
K
Capacitance
Tolerance
C0G:
J = ±5%
K = ±10%
M = ±20%
X7R: K = ±10%
M = ±20%
Z = +80%,
A
Failure
Rate
A=Not
Applicable
1
Termination
1= Pd/Ag
T = Plated Ni
and Solder
1A
Packaging/Marking
1A = 7" Reel
Unmarked
3A = 13" Reel
Unmarked
9A = Bulk/Unmarked
-20%
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