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GRM21A5C2E911GWA1 Datasheet(HTML) 24 Page - Murata Manufacturing Co., Ltd.

Part No. GRM21A5C2E911GWA1
Description  Chip Multilayer Ceramic Capacitors for General Purpose
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Maker  MURATA [Murata Manufacturing Co., Ltd.]
Homepage  http://www.murata.com
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GRM21A5C2E911GWA1 Datasheet(HTML) 24 Page - Murata Manufacturing Co., Ltd.

 
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2. Land Dimensions
 Please confirm the suitable land dimension by
evaluating of the actual SET / PCB.
Table 1 Flow Soldering Method
Flow soldering can only be used for products with a chip size of 1.6x0.8mm to 3.2x1.6mm.
(in mm)
Resistance to PCB bending stress may be improved by designing the “a” dimension with solder resist.
Table 2 Reflow Soldering Method
(in mm)
<Applicable to beyond Rated Voltage of 200VDC>
2-2. Dimensions of Slit (Example)
Preparing the slit helps flux cleaning and resin coating
on the back of the capacitor.
However, the length of the slit design should be
as short as possible to prevent mechanical damage
in the capacitor.
A longer slit design might receive more severe
L×W
d
e
mechanical stress from the PCB.
1.6×0.8
-
-
Recommended slit design is shown in the Table.
2.0×1.25
-
-
3.2×1.6
1.0~2.0
3.2~3.7
3.2×2.5
1.0~2.0
4.1~4.6
4.5×2.0
1.0~2.8
3.6~4.1
4.5×3.2
1.0~2.8
4.8~5.3
5.7×2.8
1.0~4.0
4.4~4.9
5.7×5.0
1.0~4.0
6.6~7.1
GR□
55
5.7×5.0
4.0 to 4.6
1.4 to 1.6
3.5 to 4.8
GR□
52
5.7×2.8
4.0 to 4.6
1.4 to 1.6
2.1 to 2.6
GR□
43
4.5×3.2
3.0 to 3.5
1.2 to 1.4
2.3 to 3.0
GR□
42
4.5×2.0
2.8 to 3.4
1.2 to 1.4
1.4 to 1.8
GR□
32
3.2×2.5
2.0 to 2.4
1.0 to 1.2
1.8 to 2.3
GR□
31
3.2×1.6
1.0 to 2.0
0.9 to 1.2
1.5 to 1.7
GR□
21
2.0×1.25
1.0 to 1.4
0.6 to 0.8
1.2 to 1.4
GR□
18
1.6×0.8
0.6 to 0.8
0.6 to 0.7
0.6 to 0.8
Series
Chip Dimension
(L/W) Code
Chip(L×W)
a
b
c
GR□
31
3.2×1.6
2.2 to 2.6
1.0 to 1.1
1.0 to 1.4
GR□
21
2.0×1.25
1.0 to 1.2
0.9 to 1.0
0.8 to 1.1
GR□
18
1.6×0.8
0.6 to 1.0
0.8 to 0.9
0.6 to 0.8
Notice
Series
Chip Dimension
(L/W) Code
Chip(L×W)
a
b
c
Lan
d
Solder
Resist
L
Chip
Capacitor
Sli
t
d
b
a
Solder Resist
Chip Capacitor
Land
JEMCGC-05049F
24


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