Female Style R Expanded Press-Fit
Series 8478 – 3 rows (3 x 50) Inverted
Contact Design
and
Termination Length
for
≥
2.4 mm PCB's
0.6 x 0.6 mm Post Profile
5.3 mm (Y) Right Angled
for 1.6 mm PCB's
0.6 x 0.6 mm Post Profile
2.9 mm (Y) Right Angled
Number of
Contacts
150
100
150
100
Loading Description
a + b + c fully loaded
a + c fully loaded
a + b + c fully loaded
a + c fully loaded
Part Number
Performance classes according to DIN 41612
II
I
20 8478 150 001 025
20 8478 150 001 026
20 8478 150 031 025
20 8478 150 031 026
20 8478 150 001 049
20 8478 150 001 050
20 8478 150 031 049
20 8478 150 031 050
NB: Alternative Prefix Variations Available: 22, please refer to Page 10.
Additional Plating & Loading Variations: Please contact your local AVX sales office or distributor.
LOADING DESCRIPTION
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DIMENSIONS
A EQ SP @ 2.54 [0.100] = B
ROW C
ROW B
ROW A
8.46
[0.333]
10.5
[0.413]
13.4
[0.528]
E
C
1
10.5
[0.413]
c
b
a
150 contacts, rows a + b + c fully loaded
●
✕
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✕
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●
✕
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●
✕
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●
✕
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c
b
a
12.7
[0.500]
100 contacts, rows a + c fully loaded
2.84 DIA.
[0.110]
D
DRILLED
HOLE
Ø .0453
Ø 1.15
+.0000
-.0010
+0.00
-0.025
+.0035
-.0024
+0.09
Ø 1.00
-0.06
Y
SEE
SPEC.
KEYING
For Y dimension
see contact design
D
2.54
[0.100]
A EQ SP @ 2.54 [0.100] = B
PLATED
THRU HOLE
Ø .039
ROW C
5.08
[0.200]
ROW B
ROW A
5.31
[0.209]
2.54
[0.100]
5.08
[0.200]
HOLE PATTERN
2.84
[0.112] DIA.
Assembly Tool: 06 8478 8401 00 000 (see page 67)
Unit: millimeters (inches)
No. Contact
Positions
150
Contact
Rows
3 (3 x 50)
A
49
B
124.46
(4.900)
C
139.70
(5.500)
D
E
134.62 130.70
(5.300) (5.145)
94
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