8

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FN3141.4

November 19, 2004

HI-1818A

Ceramic Dual-In-Line Frit Seal Packages (CERDIP)

NOTES:

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.

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.

3. Dimensions b1 and c1 apply to lead base metal only. Dimension

M applies to lead plating and finish thickness.

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.

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.

bbb

C A - B

S

c

Q

L

A

SEATING

BASE

D

PLANE

PLANE

-D-

-A-

-C-

-B-

α

D

E

S1

b2

b

A

e

M

c1

b1

(c)

(b)

SECTION A-A

BASE

LEAD FINISH

METAL

A

M

S

S

ccc

C A - B

M

D

S

S

aaa

CA - B

M

D

S

S

16 LEAD CERAMIC DUAL-IN-LINE FRIT SEAL PACKAGE

SYMBOL

INCHES

MILLIMETERS

NOTES

MIN

MAX

MIN

MAX

A

-

0.200

-

5.08

-

b

0.014

0.026

0.36

0.66

2

b1

0.014

0.023

0.36

0.58

3

b2

0.045

0.065

1.14

1.65

-

b3

0.023

0.045

0.58

1.14

4

c

0.008

0.018

0.20

0.46

2

c1

0.008

0.015

0.20

0.38

3

D

-

0.840

-

21.34

5

E

0.220

0.310

5.59

7.87

5

e

0.100 BSC

2.54 BSC

-

eA

0.300 BSC

7.62 BSC

-

eA/2

0.150 BSC

3.81 BSC

-

L

0.125

0.200

3.18

5.08

-

Q

0.015

0.060

0.38

1.52

6

S1

0.005

-

0.13

-

7

α

-

aaa

-

0.015

-

0.38

-

bbb

-

0.030

-

0.76

-

ccc

-

0.010

-

0.25

-

M

-

0.0015

-

0.038

2, 3

N16

16

8

Rev. 0 4/94