
Catalog 1308638
Dimensions are in inches and
Dimensions are shown for
USA: 1-800-522-6752
South America: 55-11-3611-1514
Revised 8-05
millimeters unless otherwise
reference purposes only.
Canada: 1-905-470-4425
Hong Kong: 852-2735-1628
specified. Values in brackets
Specifications subject
Mexico: 01-800-733-8926
Japan: 81-44-844-8013
www.tycoelectronics.com
are metric equivalents.
to change.
C. America: 52-55-5-729-0425
UK: 44-141-810-8967
Rectangular Connectors
52
High Density Standard Module (HDSM) Connectors (Continued)
A
B
38 & 78 Position Plug
Keying Hardware
.360
[9.14]
.050
[1.27]
B
A
Typ.
.050
[1.27]
Typ.
.025
[0.64]
.150
[3.81]
.050
[1.27]
120, 152 & 200 Position Plug
(38 & 78)
(120, 152 & 200)
A
C Ref.
A
A1
Mtg. Nut/Polarizing Key (Customer Installed)
2 Supplied (Packed Loose)
End Cav. A1 Near Side
End Cav. D1 Far Side
.290
[7.34]
.165
[4.19]
.505
[12.83]
.350
[8.89]
Marked As Shown
}
Min.
Ref.
2-56 UNC-2B Thd.
x .125 [3.17] DP
.290
[7.37]
Ref.
.350
[8.89]
Min.
Insulator
Pin Contact
Housing
Lead Organizer
28 AWG Wire
Solder Dipped
.010 [0.25]
(All Leads)
Section A-A
C
C1
D1
C10 (20)
D9 (19)
A9 (19)
B10 (20)
A1
B1
C
C16 (20) (26)
C30 (38) (50)
A30 (38) (50)
B30 (38) (50)
D30 (38) (50)
D1
A1
B1
C1
C15 (19) (25)
D15 (19) (25)
A15 (19) (25)
B15 (19) (25)
D16 (20) (26)
A16 (20) (26)
B16 (20) (26)
.050
[.127]
.050
[.127]
.025
[0.64]
D
.200
[5.08]
.300
[7.62]
.490
[12.50]
Max.
Socket Side
Pin Side
Flat Screw
2-56 UNC-2A
Thd.
Flat Screw
2-56 UNC-2A
Thd.
Receptacle
Polarizing Key
2-56 UNC-2B
Thd.
Plug
Polarizing Key
2-56 UNC-2B
Thd.
A
B
C
D
.250
[6.35]
.050
[1.27]
2 Plcs.
.025
[0.64]
.050
[1.27]
Typ.
B
A
.050
[1.27]
.150
[3.81]
.360
[9.14]
304 & 400 Position Plug
A***
’A76’ (304) ’A100’ (400) Near Side Marking
’A1’ Near Side Marking
’D1’ Far Side Marking
’D76’ (304) ’D100’ (400) Far Side Marking
Mtg. Nut/Polarizing Key
(Customer To Install)
2 Supplied (Packed Loose)
A
A1
.050
[1.27]
Ref.
D Ref.
Standoff, 2-56 UNC-2B
Thd. x .125 [3.17] Min. Thd.
.165
[4.19]
.290
[7.34]
.505
[12.83]
2-56 UNC-2B Thd.
x .125 [3.17] DP
.290
[7.37]
.350
[8.89]
Min.
Ref.
.060
[1.52]
.062
[1.58]
Thick
Pin Contact
Insulator
Housing
Lead
Organizer
28 AWG Wire
Solder Dipped
.010 [0.25]
(All Leads)
Section A-A
B76(100)
D76(100)
C75(99)
D75(99)
C76(100)
D76(100)
C75(99)
D75(99)
.100
[2.54]
.025
[0.64]
.050
[1.27]
.075
[1.91]
Typ.
B59(77)
A59(77)
B58(76)
A58(76)
B56(74)
A56(74)
B57(75)
A57(75)
D58(76)
C58(76)
D59(77)
C59(77)
D57(75)
C57(75)
D56(74)
C56(74)
A40(52)
B39(51)
A39(51)
B40(52)
D40(52)
C39(51)
D39(51)
C40(52)
D Typ.
.050
[1.27]
C (2 Plcs.)
A37(49)
B37(49)
A38(50)
B38(50)
D37(49)
C37(49)
D38(50)
C38(50)
B21(27)
A21(27)
B20(26)
A20(26)
B18(24)
A18(24)
B19(25)
A19(25)
D20(26)
C20(26)
D21(27)
C21(27)
D19(25)
C19(25)
D18(24)
C18(24)
B1
A2
B2
A1
A4
B3
A3
B4
D4
C3
D3
C4
C1
D2
C2
D1
C
L
.250
[6.35]
.125
[3.18]
Ref.
.460
[11.68]
.590
[14.99]
.220
[5.59]
.100
[2.54]
.340
[8.64]
Max.
Size 304 & 400 (Terminal Ident In Parentheses Is For Size 400)
2 Plcs.