HS-1840RH
Ceramic Dual-In-Line Frit Seal Packages (CerDIP)
F28.6 MIL-STD-1835 GDIP1-T28 (D-10, CONFIGURATION A)
28 LEAD CERAMIC DUAL-IN-LINE FRIT SEAL PACKAGE
c1 LEAD FINISH
-D-
E
-A-
INCHES MILLIMETERS
MIN
BASE
METAL
(c)
SYMBOL
MAX
0.232
0.026
0.023
0.065
0.045
0.018
0.015
1.490
0.610
MIN
-
MAX
5.92
NOTES
b1
A
b
-
-
M
M
0.014
0.014
0.045
0.023
0.008
0.008
-
0.36
0.36
1.14
0.58
0.20
0.20
-
0.66
2
-B-
(b)
b1
b2
b3
c
0.58
3
SECTION A-A
S
S
S
D
bbb
C A - B
D
1.65
-
1.14
4
BASE
PLANE
Q
0.46
2
A
-C-
SEATING
PLANE
c1
D
0.38
3
L
α
37.85
15.49
5
S1
b2
eA
A A
e
E
0.500
12.70
5
e
0.100 BSC
2.54 BSC
-
b
C A - B
eA/2
c
eA
eA/2
L
0.600 BSC
0.300 BSC
15.24 BSC
7.62 BSC
-
M
S
S
M
S
S
D
ccc
D
aaa
C A - B
-
NOTES:
0.125
0.200
0.060
-
3.18
5.08
1.52
-
-
1. Index area: A notch or a pin one identification mark shall be locat-
ed adjacent to pin one and shall be located within the shaded
area shown. The manufacturer’s identification shall not be used
as a pin one identification mark.
Q
0.015
0.005
0.38
0.13
6
S1
7
o
o
o
o
90
105
90
105
-
α
2. The maximum limits of lead dimensions b and c or M shall be
measured at the centroid of the finished lead surfaces, when
solder dip or tin plate lead finish is applied.
aaa
bbb
ccc
M
-
-
-
-
0.015
0.030
0.010
0.0015
-
-
-
-
0.38
0.76
0.25
0.038
-
-
-
3. Dimensions b1 and c1 apply to lead base metal only. Dimension
M applies to lead plating and finish thickness.
2, 3
8
4. Corner leads (1, N, N/2, and N/2+1) may be configured with a
partial lead paddle. For this configuration dimension b3 replaces
dimension b2.
N
28
28
Rev. 0 4/94
5. This dimension allows for off-center lid, meniscus, and glass
overrun.
6. Dimension Q shall be measured from the seating plane to the
base plane.
7. Measure dimension S1 at all four corners.
8. N is the maximum number of terminal positions.
9. Dimensioning and tolerancing per ANSI Y14.5M - 1982.
10. Controlling dimension: INCH.
Spec Number 518022
12
HARRIS [ HARRIS CORPORATION ]
