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
A1
A2
B1
B2
C1
C2
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
poles
poles
68 poles
52 poles
poles
20 poles
