Series 540
Sockets for Plastic Leaded Chip Carriers
(PLCC)
Solder tail
94
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
Ordering information
For standard part numbers, please refer to table “Order Codes”
Plating
99
Stamped contacts
tin-lead over nickel
For PCB hole patterns see below
Please note: 99 is only plating available for
this product.
No. of poles
Order Codes
Dimensions
A1
A2
B
1
B
2
C1
C2
20
28
*32*
44
52
68
540-99-020-24-000-1
540-99-028-24-000-1
540-99-032-24-000-1
540-99-044-24-000-1
540-99-052-24-000-1
540-99-068-24-000-1
540-99-084-24-000-1
14.98
17.52
17.52
22.60
25.15
30.22
35.31
14.98
17.52
20.06
22.60
25.15
30.22
35.31
5.08
7.62
7.62
12.70
15.24
20.32
25.40
5.08
7.62
9.14
11.68
11.78
16.76
19.30
24.38
29.46
9.14
11.68
14.32
16.76
19.30
24.38
29.46
10.16
12.70
15.24
20.32
25.40
84
* rectangular
PCB hole patterns thru-hole types Series 540 / 504
20 poles
28 poles
32 poles
44 poles
52 poles
68 poles
84 poles