FN4918 Rev 2.00

Page 17 of 18

July 2004

ISL6552

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Small Outline Plastic Packages (SOIC)

NOTES:

1. Symbols are defined in the “MO Series Symbol List” in Section

2.2 of Publication Number 95.

2. Dimensioning and tolerancing per ANSI Y14.5M-1982.

3. Dimension “D” does not include mold flash, protrusions or gate

burrs. Mold flash, protrusion and gate burrs shall not exceed

0.15mm (0.006 inch) per side.

4. Dimension “E” does not include interlead flash or protrusions. In-

terlead flash and protrusions shall not exceed 0.25mm (0.010

inch) per side.

5. The chamfer on the body is optional. If it is not present, a visual

index feature must be located within the crosshatched area.

6. “L” is the length of terminal for soldering to a substrate.

7. “N” is the number of terminal positions.

8. Terminal numbers are shown for reference only.

9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater

above the seating plane, shall not exceed a maximum value of

0.61mm (0.024 inch)

10. Controlling dimension: MILLIMETER. Converted inch dimen-

sions are not necessarily exact.

INDEX

AREA

E

D

N

12

3

-B-

0.25(0.010)

C A

M

B S

e

-A-

L

B

M

-C-

A1

A

SEATING PLANE

0.10(0.004)

C

H

µ

0.25(0.010)

B

M

M



20 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE

SYMBOL

INCHES

MILLIMETERS

NOTES

MIN

MAX

MIN

MAX

A

0.0926

0.1043

2.35

2.65

-

A1

0.0040

0.0118

0.10

0.30

-

B

0.014

0.019

0.35

0.49

9

C

0.0091

0.0125

0.23

0.32

-

D

0.4961

0.5118

12.60

13.00

3

E

0.2914

0.2992

7.40

7.60

4

e

0.050 BSC

1.27 BSC

-

H

0.394

0.419

10.00

10.65

-

h

0.010

0.029

0.25

0.75

5

L

0.016

0.050

0.40

1.27

6

N20

20

7



-

Rev. 1 1/02