96
Series 540
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 Stamped contacts
99 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 Order Codes Dimensions
Standard parts: Parts with 2 positioning pegs: A
1
A
2
B
1
B
2
C
1
C
2
DE
20 540-99-020-17-400 540-99-020-17-400-2 14.86 14.86 5.08 5.08 7.26 7.26 4.60 16.00
28 540-99-028-17-400 540-99-028-17-400-2 17.40 17.40 7.62 7.62 9.80 9.80 4.60 19.70
*32* 540-99-032-17-400 540-99-032-17-400-2 16.90 19.45 7.62 10.16 9.61 12.16 3.90 22.00
44 540-99-044-17-400 540-99-044-17-400-2 22.48 22.48 12.70 12.70 14.88 14.88 4.60 27.00
52 540-99-052-17-400 540-99-052-17-400-2 25.40 25.40 15.24 15.24 17.50 17.50 4.60 30.80
68 540-99-068-17-400 540-99-068-17-400-2 30.54 30.54 20.32 20.32 22.50 22.50 4.60 37.65
84 540-99-084-17-400 540-99-084-17-400-2 35.56 35.56 25.40 25.40 27.62 27.62 4.60 45.10
* rectangular
PCB layout SMD types Series 540…
52 poles 68 poles 84 poles
20 poles 28 poles 32 poles 44 poles