MIL-DTL-55302-178 Connectors, Printed Circuit Subassembly And Accessories: 3 Row, Pin Assemblies, Right Angle, 75 Through 405 Contact Positions, For Printed Wiring Boards \(.100 Spacing\)

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MIL-DTL-55302/178C

Recommended circuit layout

F � .015 (0.38 mm)

Type

Type of termination

Inches

.180

4.57

Solder post

.120

3.05

Inches

.006

0.15

.042

1.07

.050

1.27

.100

2.54

.120

3.05

.200

5.08

.275

6.98

.400

10.16

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-55302/177.

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. Mounting ears and hardware are purchased separately. See MIL-DTL-55302/182 for mounting hardware.

8. Chamfers shall be .015 (0.38 mm) minimum at a 45� angle � 5�.

9. Guide pins are purchased separately. See MIL-DTL-55302/182.

10. Solder post shall be a .036 (0.91 mm) maximum diameter or .036 (0.91 mm) maximum across the diagonal.

FIGURE 3. Connectors, pin assemblies, right angle .100 (2.54 mm) spacing with two guides,

387 through 405 contacts - Continued.