Amphenol SOCAPEX │ MIL-DTL-38999 SERIES
* Tin, tin lead, silver tin or silver tin copper drilling holes are identical.
PCB CONTACTS PATTERNS - PCB DRILLINGS
PCB version are not QPL certified. Amphenol designation only.
Front face of pin insert shown. Ø A & Ø B : recommended hole diameters, given for CI contacts.
21-41
20-41
I
III
II
41 contacts size 20
Cavity
X axis
Y axis +10.60 +10.09
Cavity
X axis
Y axis -10.09
Cavity
X axis
Y axis +4.09 +0.87 -2.55 -2.55 -5.39 -6.99 -6.99 -5.39 -2.55 +0.87 +4.09
Cavity
X axis
Y axis +6.38 +3.81 +2.38 -0.85 -3.43 -3.43 -0.85 +2.38
A B C D E F G H
M N P R S T U V W
Z a b b c d e
j
0
-3.28 -6.23 -8.58
+5.92 +7.15 +6.73 +6.73 +4.78 +1.73 -1.73 -4.78 -6.73 -7.15 -5.92
-3.35
k
+3.28 +6.23 +8.58
-8.58 -6.23 -3.28
0
m
+8.58 +6.23 +3.28
+2.98 +3.71 +1.66 -1.66 -3.71 -2.98
n p q
-10.09 -10.60 -10.09
+10.09 +10.60 +10.09
0
0
+3.28 +6.23 +8.58
r
-3.28 -6.23 -8.58
-8.58 -6.23 -3.28
s
+8.58 +6.23 +3.28
f
J
t
+10.09
0 0 Gold contacts Tinned contacts*
g h
K L
X Y
-10.09 -10.60
0
+7.20 +6.38
ØA MIN
+3.35
1.0
1.1
0
i
20 21
HD III 21-121
121 contacts size 23
Cavity
X axis Y axis -4.08 +10.60 -2.04 +10.60
Cavity
X axis Y axis
Cavity
X axis Y axis
Cavity X axis Y axis 79 -10.20 -3.53 80 -8.16 -3.53 81 -6.12 -3.53 82 -4.08 -3.53 83 -2.04 -3.53 84 0 -3.53 85 +2.04 -3.53 86 +4.08 -3.53 87 +6.12 -3.53 88 +8.16 -3.53 89 +10.20 -3.53 90 -9.18 -5.30 91 -7.14 -5.30 92 -5.10 -5.30 93 -3.06 -5.30 94 -1.02 -5.30 95 +1.02 -5.30 96 +3.06 -5.30 97 +5.10 -5.30 98 +7.14 -5.30 99 +9.18 -5.30 100 -8.16 -7.07 101 -6.12 -7.07 102 -4.08 -7.07 103 -2.04 -7.07 104 0 -7.07
Cavity
X axis +2.04 +4.08 +6.12 +8.16 -7.14 -5.10 -3.06 -1.02 +1.02 +3.06 +5.10 +7.14 -4.08 -2.04
Y axis
1 2 3 4 5 6 7 8 9
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
-1.02 +1.02 +3.06 +5.10 +7.14 +9.18
+5.30 +5.30 +5.30 +5.30 +5.30 +5.30
+7.14 +9.18
+1.77 +1.77
-7.07 -7.07 -7.07 -7.07 -8.83 -8.83 -8.83 -8.83 -8.83 -8.83 -8.83 -8.83
0
+10.60
+11.22 +1.77
+2.04 +10.60 +4.08 +10.60
-10.20
0 0 0 0 0 0 0 0 0 0 0
-8.16 -6.12 -4.08 -2.04
-7.14 -5.10 -3.06 -1.02 +1.02 +3.06 +5.10 +7.14 -8.16 -6.12 -4.08 -2.04
+8.83 +8.83 +8.83 +8.83 +8.83 +8.83 +8.83 +8.83 +7.07 +7.07 +7.07 +7.07 +7.07 +7.07 +7.07 +7.07 +7.07 +5.30 +5.30 +5.30 +5.30
-10.20 +3.53
-8.16 -6.12 -4.08 -2.04
+3.53 +3.53 +3.53 +3.53 +3.53 +3.53 +3.53 +3.53 +3.53
0
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
+2.04 +4.08 +6.12 +8.16
0
+2.04 +4.08 +6.12 +8.16
-10.60 -10.60 -10.60 -10.60
+10.20 -11.22 -9.18 -7.14 -5.10 -3.06 -1.02 +1.02 +3.06 +5.10 +7.14 +9.18 +11.22
-1.77 -1.77 -1.77 -1.77 -1.77 -1.77 -1.77 -1.77 -1.77 -1.77 -1.77 -1.77
0
+2.04 +4.08
+10.20 +3.53
-10.60 Gold contacts Tinned contacts*
0
-11.22 -9.18 -7.14 -5.10 -3.06 -1.02 +1.02 +3.06 +5.10
+1.77 +1.77 +1.77 +1.77 +1.77 +1.77 +1.77 +1.77 +1.77
+2.04 +4.08 +6.12 +8.16 -9.18 -7.14 -5.10 -3.06
ØA MIN
0.8
0.9
Note: shown in this catalog are the most common insert patterns for PCB applications. For availability of other arrangements, please consult Amphenol Socapex.
II III Series III/TV-CTV Series II/JT
Series I/LJT
HD High density
I
Amphenol SOCAPEX
Due to technical modifications, all information provided is subject to change without prior notice Designed by Amphenol Socapex
40
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