MIL-DTL-55302/179C
Recommended circuit layout
F ± .015 (0.38 mm)
Type
Type of termination
Inches
mm
.733
18.62
I
Compliant pin (wrappost)
.533
13.54
II
.250
6.35
IV
.190
4.83
VI
Solder post (see note 10)
Inches
mm
Inches
mm
.001
0.03
.120
3.05
.002
0.05
.150
3.81
.005
0.13
.182
4.62
.006
0.15
.197
5.00
.008
0.20
.210
5.33
.010
0.25
.250
6.35
.015
0.38
.275
6.98
.020
0.51
.300
7.62
.025
0.64
.407
10.34
.050
1.27
.462
11.73
.085
2.16
.475
12.06
.100
2.54
.585
14.86
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified, tolerance is ± .005 (0.13 mm) on decimals and ± 2° on angles.
4. These connectors mate with connectors specified in MIL-DTL-55302/180.
5. Location indicators embossed on surface.
6. Numbers and indicating end cavities, letters indicating row nearest to polarizing feature, and markings every
ten positions stamped on this surface.
7. Holes for solder type shall be .042 - .050 (1.07 1.27 mm). Holes for compliant pin shall be manufactured as
follows: .0453 ± .0010 (1.151 ± 0.025 mm) drilled hole (1.15 mm drill) .001 - .003 (0.03 0.08 mm) thick
copper on wall, .0003 (0.008 mm) minimum tin lead plating, finished hole diameter .037 - .043
(0.94 1.09 mm) after plating, .036 - .043 (0.91 1.09 mm) after reflow, copper hardness (knoop)
150 maximum.
8. Chamfers shall be .015 (0.38 mm) minimum at a 45° angle ± 5°.
9. There shall be a minimum of two standoffs per inch of connector length for the balance of the part. Standoffs
shall not compromise the terminating area washout feature.
10. Solder post shall be a .036 (0.91 mm) maximum diameter or .036 (0.91 mm) maximum across the diagonal.
FIGURE 1. Connectors, pin assemblies .100 (2.54 mm) spacing 100 through 300 contacts Continued.
2
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