KOA SPEER ELECTRONICS, INC.
SS-239 R4
9. Recommended Land Dimensions
9-1 Flow Soldering
Dimensions in inches (mm)
Type
Style
Resistor Size
A
B
C
D
0.039 x 0.020
(1.0 x 0.5)
0.020
(0.5)
0.059
(1.5)
0.020
(0.5)
0.020
(0.5)
B
A
1 E
D
0.063 x 0.031
(1.6 x 0.8)
0.039
(1.0)
0.094
(2.4)
0.031
(0.8)
0.028
(0.7)
1 J
2 A
2 B
2 E
2 H
3 A
C
0.079 x 0.049
(2.0 x 1.25)
0.051
(1.3)
0.122
(3.1)
0.049
(1.25)
0.035
(0.9)
0.126 x 0.063
(3.2 x 1.6)
0.087
(2.2)
0.173
(4.4)
0.063
(1.6)
0.043
(1.1 )
Soldering Pad
Chip Resistor
SR73
0.126 x 0.098
(3.2 x 2.5)
0.087
(2.2)
0.173
(4.4)
0.098
(2.5)
0.043
(1.1 )
0.197 x 0.098
(5.0 x 2.5)
0.138
(3.5)
0.248
(6.3)
0.098
(2.5)
0.055
(1.4 )
0.252 x 0.126
(6.4 x 3.2)
0.181
(4.6)
0.315
(8.0)
0.126
(3.2)
0.067
(1.7)
9-2 Reflow Soldering
Dimensions in inches (mm)
Type
Style
Resistor Size
A
B
C
D
B
D
A
0.039 x 0.020
(1.0 x 0.5)
0.020
(0.5)
0.051
(1.3)
0.012
(0.3)
0.016
(0.4)
1 E
0.063 x 0.031
(1.6 x 0.8)
0.039
(1.0)
0.079
(2.0)
0.024
(0.6)
0.020
(0.5)
1 J
2 A
2 B
2 E
2 H
3 A
C
0.079 x 0.049
(2.0 x 1.25)
0.051
(1.3)
0.098
(2.5)
0.041
(1.05)
0.024
(0.6)
0.126 x 0.063
(3.2 x 1.6)
0.087
(2.2)
0.157
(4.0)
0.055
(1.4)
0.035
(0.9 )
SR73
Soldering Pad
Chip Resistor
0.126 x 0.098
(3.2 x 2.5)
0.087
(2.2)
0.157
(4.0)
0.091
(2.3)
0.035
(0.9 )
0.197 x 0.098
(5.0 x 2.5)
0.138
(3.5)
0.248
(6.3)
0.091
(2.3)
0.055
(1.4 )
0.252 x 0.126
(6.4 x 3.2)
0.181
(4.6)
0.315
(8.0)
0.118
(3.0)
0.067
(1.7)
10. Taping
10-1 Taped Configuration
Dimensions in inches (mm)
Leader tape
End tape
(Empty)
(Empty)
(Top tape)
7.87 (200) min.
1.96 (50) min.
814-362-5536
15.75
(400) min.
PAGE 6 OF 8
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Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
Fax 814-362-8883
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA [ KOA SPEER ELECTRONICS, INC. ]
