參數(shù)資料
型號： PPS257-7A1909-V
廠商： THOMAS BETTS CORP
元件分類： 插座
英文描述： PGA257, IC SOCKET
文件頁數(shù)： 2/2頁
文件大小： 45K
代理商： PPS257-7A1909-V
D
Thomas & Betts
1555 Lynnfield Road
Memphis, TN 38119
(901) 682-8221 FAX (901) 537-8805
Need more technical information?
Consult your Thomas & Betts
sales office listed on the back cover
D3
“A”
“B”
Molded
Glass Epoxy
Insulator Size
Insulators
9 X 9
.90
.950
.800
10 X 10
1.00
1.050
.900
11 X 11
1.10
1.150
1.000
12 X 12
1.20
1.250
1.100
13 X 13
1.30
1.350
1.200
14 X 14
1.40
1.450
1.300
15 X 15
1.50
1.550
1.400
16 X 16
1.60
1.650
1.500
17 X 17
1.70
1.750
1.600
18 X 18
1.80
1.850
1.700
19 X 19
1.90
1.950
1.800
20 X 20
2.00
2.050
1.900
21 X 21
2.10
2.150
2.000
22 X 22
N/A
2.250
2.100
23 X 23
N/A
2.350
2.200
24 X 24
N/A
2.450
2.300
25 X 25
N/A
2.550
2.400
Dimensions listed are nominal
Pin Grid Array Sockets
PGM & PPS Series
Plating
Sleeve
Contact
Sleeve
Designation
Type
Plating
1
Gold
Tin/Lead
2
Gold
3
Tin/Lead
7
Low Gold
Tin/Lead
4
Gold
Tin/Lead
5
Gold
6
Tin/Lead
* Solderless Wrap available only in molded thermoplastic insulator.
“X”
.166
± .010
(4,22
± 0,25)
.040
(1,01)
Max.
.040
(1,01)
Max.
.020
(0,51)
.193
(4,90)
.025
(0,64)
Sq.
PC
Tails
Solderless
Wrap *
TABLE 1 - PLATING FINISHES
PC Tails
Solderless Wrap*
Designation
“X” Dimension
Designation
“X” Dimension
A
.125" (3,17)
B
.180" (4,57)
D
.510" (12,95)
TABLE 2 - SLEEVE TYPES
MOLDED INSULATOR
GLASS EPOXY INSULATOR
Note: Head of sleeve is recessed
in .030" counter bore
Note: Head of sleeve sits
above insulator
“A” sq.
“B”
Polarization
marking or notch
(optional)
.100
(2,54)
.100
(2,54)
.166
± .010
(4,22
± 0,25)
.115
± .010
(2,92
± 0,25)
.062
± .015
(1,57
± 0,38)
.166
± .010
(4,22
± 0,25)
Window Optional
INSULATOR DIMENSIONS
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