EL5171, EL5371
15
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FN7307.9
August 14, 2015
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Shrink Small Outline Plastic Packages (SSOP)
Quarter Size Outline Plastic Packages (QSOP)
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. Inter-
lead 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 in-
dex 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. Dimension “B” does not include dambar protrusion. Allowable dam-
bar protrusion shall be 0.10mm (0.004 inch) total in excess of “B”
dimension at maximum material condition.
10. Controlling dimension: INCHES. Converted millimeter dimensions
are not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.17(0.007) C AM BS
e
-A-
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
h x 45°
C
H
0.25(0.010) BM M
L
0.25
0.010
GAUGE
PLANE
A2
M28.15
28 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE
(0.150” WIDE BODY)
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A 0.053 0.069 1.35 1.75 -
A1 0.004 0.010 0.10 0.25 -
A2 - 0.061 - 1.54 -
B 0.008 0.012 0.20 0.30 9
C 0.007 0.010 0.18 0.25 -
D 0.386 0.394 9.81 10.00 3
E 0.150 0.157 3.81 3.98 4
e 0.025 BSC 0.635 BSC -
H 0.228 0.244 5.80 6.19 -
h 0.0099 0.0196 0.26 0.49 5
L 0.016 0.050 0.41 1.27 6
N28 287
0° 8° 0° 8° -
Rev. 1 6/04
