GRJ43DR72J104KWJ1L Datasheet, PDF (148/221 Pages) Murata Manufacturing Co., Ltd. – Chip Monolithic Ceramic Capacitors

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Notice
Continued from the preceding page.
2. Land Dimensions
2-1. A chip capacitor can be cracked due to the stress of
PCB bending / etc if the land area is larger than
needed and has an excess amount of solder.
Please refer to the land dimensions in table 1 for flow
soldering, table 2 for reflow soldering, table 3 for
GNM & LLA, and table 4 for LLM.
Please confirm the suitable land dimension by
evaluating the actual SET / PCB.
Chip Capacitor
c
Land
b
a
Solder Resist
Table 1 Flow Soldering Method
Dimensions
Part Number
Chip (LgW)
GRM18
GQM18
1.6g0.8
GRM21
GQM21
GRM31
LLL21
LLL31
2.0g1.25
3.2g1.6
1.25g2.0
1.6g3.2
a
0.6 to 1.0
1.0 to 1.2
2.2 to 2.6
0.4 to 0.7
0.6 to 1.0
b
0.8 to 0.9
0.9 to 1.0
1.0 to 1.1
0.5 to 0.7
0.8 to 0.9
c
0.6 to 0.8
0.8 to 1.1
1.0 to 1.4
1.4 to 1.8
2.6 to 2.8
(in mm)
Table 2 Reflow Soldering Method
Dimensions
Part Number
Chip (LgW)
GRM02
GRM03
GJM03
0.4g0.2
0.6g0.3
GRM15
GJM15
1.0g0.5
GRM18
GQM18
1.6g0.8
GRM21
GQM21
GRM31
GRM32
GRM43
GRM55
LLL15
LLL18
LLR18
LLL21
LLL31
GQM22
2.0g1.25
3.2g1.6
3.2g2.5
4.5g3.2
5.7g5.0
0.5g1.0
0.8g1.6
1.25g2.0
1.6g3.2
3.2g2.5
a
0.16 to 0.2
0.2 to 0.3
0.3 to 0.5
0.6 to 0.8
1.0 to 1.2
2.2 to 2.4
2.0 to 2.4
3.0 to 3.5
4.0 to 4.6
0.15 to 0.2
0.2 to 0.3
0.4 to 0.6
0.6 to 0.8
2.2 to 2.5
b
0.12 to 0.18
0.2 to 0.35
0.35 to 0.45
0.6 to 0.7
0.6 to 0.7
0.8 to 0.9
1.0 to 1.2
1.2 to 1.4
1.4 to 1.6
0.2 to 0.25
0.3 to 0.4
0.4 to 0.5
0.6 to 0.7
0.8 to 1.0
c
0.2 to 0.23
0.2 to 0.4
0.4 to 0.6
0.6 to 0.8
0.8 to 1.1
1.0 to 1.4
1.8 to 2.3
2.3 to 3.0
3.5 to 4.8
0.7 to 1.0
1.4 to 1.6
1.4 to 1.8
2.6 to 2.8
1.9 to 2.3
(in mm)
Continued on the following page.
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