Series 540
96
Sockets for Plastic Leaded Chip Carriers
(PLCC)
SMT terminations
Series 540 PLCC sockets
with SMT terminations
come with square sizes
for IC-packages according
to JEDEC MO-047, rec-
tangular size (32) accord-
ing to JEDEC MO-052 =
low profile
Solder tail width 0.33 mm
Guaranteed coplanarity
tolerance of SMT termina-
tions max. 0.10 mm
Plating
99
Stamped contacts
tin-lead over nickel
Please note: 99 is only plating available for
this product.
Ordering information
Please refer to table Order Codes
Standard packaging: tube
Packaging options:
Tape on reel (add suffix TR, ex 540-99-020-17-400-TR)
For PCB layout see below
No. of poles
Standard parts:
20
28
*32*
44
52
68
84
Order Codes
Parts with 2 positioning pegs:
540-99-020-17-400-2
540-99-028-17-400-2
540-99-032-17-400-2
540-99-044-17-400-2
540-99-052-17-400-2
540-99-068-17-400-2
540-99-084-17-400-2
A
1
14.86
17.40
16.90
22.48
25.40
30.54
35.56
A
2
14.86
17.40
19.45
22.48
25.40
30.54
35.56
Dimensions
B
1
5.08
7.62
7.62
12.70
15.24
20.32
25.40
B
2
5.08
7.62
10.16
12.70
15.24
20.32
25.40
C
1
7.26
9.80
9.61
14.88
17.50
22.50
27.62
C
2
7.26
9.80
12.16
14.88
17.50
22.50
27.62
D
4.60
4.60
3.90
4.60
4.60
4.60
4.60
E
16.00
19.70
22.00
27.00
30.80
37.65
45.10
540-99-020-17-400
540-99-028-17-400
540-99-032-17-400
540-99-044-17-400
540-99-052-17-400
540-99-068-17-400
540-99-084-17-400
* rectangular
PCB layout SMD types Series 540…
20 poles
28 poles
32 poles
44 poles
52 poles
68 poles
84 poles
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