Recommended land patterns (soldering footprints)

①For thin film chip resistor

Recommended land dimensions (mm)
Sizes a b c
0603 0.28 0.76 0.34
1005 0.5 1.6 0.6
1608 1.0 3.0 1.2
2012 1.2 4.0 1.65
3216 2.2 5.0 2.0
3225 2.2 5.5 2.9
5025 3.8 6.8 2.9
6432 4.8 8.2 3.6

※1 RGA is compatible with conductive epoxies.
Please contact our sales office for details for conductive epoxy usage.

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Applicable series
・PRG series
Recommended land dimensions (mm)
Sizes a b c d※1
(reference)
3216 0.8 1.1 3.7 ≧27
5025 1.2 1.4 5.5 ≧27
6432 2 2.1 6.9 ≧27

※1 Please design the land pattern considering heat dissipation to the board so that the terminal temperature will not exceed 155℃.

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Applicable series
・HRG series
Recommended land dimensions (mm)
Sizes a b c d※1
(reference)
3216 0.55 1.9 1.8 ≧27

※1 Please design the land pattern considering heat dissipation to the board so that the terminal temperature will not exceed 155℃.

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4 terminal type

Recommended land dimensions (mm)
Sizes a b c d e f
RM/RMA2012 0.6 ~ 0.7 1.6 ~ 1.8 0.4 ~ 0.6 1.8 ~ 2.0 0.7 ~ 0.9 1.3 ~ 1.5
RM/RMA3216 0.6 ~ 0.8 2.4 ~ 2.7 0.6 ~ 0.8 2.6 ~ 3.2 1.4 ~ 1.6 2.2 ~ 2.4
RM/RMA3225 1.5 ~ 1.7 3.3 ~ 3.6 0.6 ~ 0.8 2.6 ~ 3.2 1.4 ~ 1.6 2.2 ~ 2.4

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○6 terminal type

Recommended land dimensions (mm)
Sizes a b c d e f
RM3216 0.5 ~ 0.7 2.4 ~ 2.7 0.6 ~ 0.8 2.5 ~ 2.7 0.2 ~ 0.3 0.9 ~ 1.0
RM3225 1.3 ~ 1.5 3.3 ~ 3.6 0.6 ~ 0.8 2.5 ~ 2.7 0.2 ~ 0.3 0.9 ~ 1.0

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○8 terminal type

Recommended land dimensions (mm)
Sizes a b c d e f
RM3216 0.7 ~ 0.8 2.2 ~ 2.3 0.4 ~ 0.45 2.9 ~ 3.0 0.3 ~ 0.35 0.8 ~ 0.85
RM3225 1.4 ~ 1.5 3.4 ~ 3.5 0.4 ~ 0.45 2.9 ~ 3.0 0.3 ~ 0.35 0.8 ~ 0.85
RM6432 1.9 ~ 2.0 4.0 ~ 4.1 0.85 ~ 0.9 5.7 ~ 5.8 0.7 ~ 0.75 1.6 ~ 1.65

※1 Custom RM requires custom land patterns. Please contact us.
※2 RMA is compatible with conductive epoxies. Please contact our sales office for details for conductive epoxy usage.

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②For current sensing chip resistor

Recommended land dimensions (mm)
Types Resistance
range
Copper foil
thickness
(um)
a b c
KRL1608D/E 10mΩ~ 0.25 1.60 1.70
KRL2012D/E 1mΩ※1 100 0.25 2.00 2.20
2mΩ~ 35 0.60
KRL3216D/E 1mΩ※1 100 0.40 2.40 3.40
2mΩ~ 35 0.60
KRL5025D/E 1mΩ※1 35 0.70 4.00 5.20
2mΩ~ 100 1.20
KRL6432D/E 1mΩ※1 0.70 4.20 6.60
2mΩ~ 2.20
KRL7638D/E 1mΩ※1 1.10 4.60 7.80
2mΩ~ 2.60
KRL9045D/E 1mΩ※1 1.30 5.10 9.20
2mΩ~ 3.10
KRL11050D/E 1mΩ※1 1.80 5.60 11.20
2mΩ~ 3.60
KRL15075D/E 1mΩ*1 2.00 8.40 15.20
2mΩ~ 5.00

※1 Refer to the diagram right for the Land pattern of 1mΩ

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Recommended land dimensions (mm)
Types Resistance
range
Copper foil
thickness
(um)
a b c
KRL0816D/E 10~18mΩ※1 35 0.10 2.20 1.00
20~39mΩ※1 0.50
43mΩ~ 100 0.90
KRL1220D/E 5mΩ~ 100 1.20 2.70 1.50
KRL1632D/E 5 ~ 8mΩ 1.00 4.00 1.90
9mΩ~ 2.00
KRL2550D/E 5 ~ 8mΩ 2.20 6.00 2.80
9mΩ~ 3.80
KRL3264D/E 5 ~ 8mΩ 2.50 7.40 3.50
9mΩ~ 4.40
KRL50110D/E 5 ~ 8mΩ 2.80 14.00 5.75
9mΩ~ 5.50

※1 Refer to the diagram right for the land pattern of KRL0816D/E

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Recommended land dimensions (mm)
Types a b c d e
KRL3216T4 0.40 2.70 0.35 0.30 2.70
KRL3216T4A 0.76 2.76 0.76 0.38 2.29
KRL6432T4 2.00 4.40 0.70 0.50 5.40
KRL7638T4 2.00 4.40 1.00 0.60 6.30
KRL9045T4 2.60 5.00 1.20 0.70 7.50
KRL11050T4 3.20 5.60 1.60 1.10 8.70

imge

Recommended land dimensions (mm)
Sizes a b c
0510 0.5 1.9 0.7
0816 0.7 3.0 1.6
1220 1.0 4.0 2.4

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Recommended land dimensions (mm)
Sizes a b c d
RL3720W 1.2 7.9 7.9 27.0
RL7520W 1.2 15.8 15.8 27.0

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