94
Series 540
Sockets for Plastic Leaded Chip Carriers
(PLCC)
Solder tail
Series 540 PLCC sockets
are designed to accept
JEDEC type leaded plastic
substrates
The insulator body has
polarizing features for
both substrate and PCB
insertion
Contacts of highly reliable
design guarantee safe
component retention
thanks to positive spring
action
Plating Stamped contacts
99 tin-lead over nickel
Please note: 99 is only plating available for
this product.
Ordering information
For standard part numbers, please refer to table “Order Codes”
For PCB hole patterns see below
No. of poles Order Codes Dimensions
A
1
A
2
B
1
B
2
C
1
C
2
20 540-99-020-24-000-1 14.98 14.98 5.08 5.08 9.14 9.14
28 540-99-028-24-000-1 17.52 17.52 7.62 7.62 11.68 11.68
*32* 540-99-032-24-000-1 17.52 20.06 7.62 10.16 11.78 14.32
44 540-99-044-24-000-1 22.60 22.60 12.70 12.70 16.76 16.76
52 540-99-052-24-000-1 25.15 25.15 15.24 15.24 19.30 19.30
68 540-99-068-24-000-1 30.22 30.22 20.32 20.32 24.38 24.38
84 540-99-084-24-000-1 35.31 35.31 25.40 25.40 29.46 29.46
* rectangular
PCB hole patterns thru-hole types Series 540 / 504
32 poles 44 poles
84 poles68 poles52 poles
28 poles20 poles