34
ELCO
• 125 signal contacts and up to 50 ground shield contacts in 5 or
5+2 rows of 25 positions
• Designed for gas tight press-fit installation
• This connector should be used in conjunction with Style A
connector
• Twelve different contact styles are available for customizing
connector to exact specifications (see page 65)
• See page 50 for rear shroud part numbers
17 8071 125 018 XXX = Type B25 125 signal contacts, no ground contacts, Long Tail, L2
17 8071 125 031 XXX = Type B25 125 signal contacts, no ground contacts, Long Tail, L1
17 8071 175 003 XXX = Type B25 125 signal contacts and 50 ground contacts, Long Tail, L2,3
17 8071 175 004 XXX = Type B25 125 signal contacts and 50 ground contacts, Long Tail, L1,3
17 8071 175 015 XXX = Type B25 125 signal contacts and 50 ground contacts, Long Tail, L1,3
Type B Vertical Male Feed-Thru
for Backplanes
Series 8071
49.9
2.0 TYP.
2.0 TYP.
48.0
2 x 6 = 12.0
0.95 MAX.
25
RECOMMENDED P.C. BOARD LAYOUT
(COMPONENT SIDE)
175 -Ø0.6 ±0.05 HOLE
2.0 ±0.1 TYP
2 x 6 = 12.0 ±0.1
2.0 ±0.1 TYP.
2 x (N/7-1) = A ±0.1
25 z
AREA
CONTACT
AREA
CONTACT
PRESS FIT AREA
AREA
CONTACT
PRESS FIT AREA
AREA
CONTACT
11.3 +0.2 -016.0
9.8 +0.2 -0
14.5
AREA
CONTACT
AREA
CONTACT
PRESS FIT AREA
16.0 8.3 +0.2 -0
M P T W
Plating Code Contact Area Press-fit Area Under Coat
515 0.1µm min. Au.65µm Pd/Ni 1.5-3.0µm Solder Nickel 1.2-3.0µm
517 0.76µm min. Au 1.5-3.0µm Solder Nickel 1.2-3.0µm
XXX =
13.0
P.C.B.
8.3 +0.2 -0
CONTACT
AREA
CONTACT
AREA
PRESS FIT AREA
35
ELCO
Type B Vertical Male Feed-Thru
for Backplanes
Series 8071
Variation Code
003
Long Tail
L2, 3
004
Long Tail
L1, 3
015
Long Tail
L1, 3
031
Long Tail
L1
018
Long Tail
L2
Side View Pin Loading
13.45
15.4
3.0
13.45
15.4
3.0
13.45
15.4
3.0
3.0
13.45
15.4
3.0
13.45
15.4
25
TTTTTTTTTTTTTTTTTTTTTTTTT
TTTTTTTTTTTTTTTTTTTTTTTTT
25
TTTTTTTTTTTTTTTTTTTTTTTTT
TTTTTTTTTTTTTTTTTTTTTTTTT
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25
TTT
W
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W
TTTTTTTTTTTTTTTTTTTTTT
TTTTTTTTTTTTTTTTTTTTTTTTT
25
25
M
M
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M
