MP7628
28 LEAD CERAMIC DUAL-IN-LINE
(600 MIL CDIP)
D28
S
1
28
S
15
See
Note 1
1
14
E
1
D
Base
Plane
Seating
Plane
L
e
b
b
1
c
L
1
Q
A
E
α
INCHES
SYMBOL
A
b
b
1
c
D
E
E
1
e
L
L
1
Q
S
S
1
MIN
––
0.014
0.038
0.008
––
0.500
0.590
MAX
0.232
0.023
0.065
0.015
1.490
0.610
0.620
MILLIMETERS
MIN
––
0.356
0.965
0.203
––
12.70
14.99
MAX
5.89
0.584
1.65
0.381
37.85
15.49
15.75
NOTES
––
––
2
––
4
4
7
5
––
––
3
6
6
––
NOTES
1. Index area; a notch or a lead one identification mark
is located adjacent to lead one and is within the
shaded area shown.
2. The minimum limit for dimension b
1
may be 0.023
(0.58 mm) for all four corner leads only.
3. Dimension Q shall be measured from the seating
plane to the base plane.
4. This dimension allows for off-center lid, meniscus and
glass overrun.
5. The basic lead spacing is 0.100 inch (2.54 mm) be-
tween centerlines.
6. Applies to all four corners.
7. This is measured to outside of lead, not center.
0.100 BSC
0.125
0.150
0.015
––
0.005
0
°
0.200
––
0.060
0.100
––
15
°
2.54 BSC
3.18
3.81
0.381
––
0.13
0
°
5.08
––
1.52
2.54
––
15
°
α
Rev. 2.00
8
EXAR [ EXAR CORPORATION ]
