Preliminary
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Note:
1. Dimensioning & tolerancing confirm to ASME Y14.5M-1994.
2. All dimensions are in millimeters. Angles are in degrees.
3. Dimension 'b' applies to metallized terminal and is measured between 0.25 mm and 0.30 mm from
the terminal tip. Dimension L1 represents terminal full back from package edge up to 0.1 mm is
acceptable.
4. Coplanarity applies to the exposed heat slug as well as the terminal.
5. Radius on terminal is optional
Table 4.4. QFN24 (Preliminary) (Dimensions in mm)
Symbol
Min
A
A1
A3
b
D
E
D2
E2
e
L
L1
aaa bbb ccc ddd
eee
0.80 0.00
0.25
0.30
0.35
3.50 3.50
3.60 3.60
3.70 3.70
0.35 0.00
0.40
0.203
REF
5.00 5.00
BSC BSC
0.65
BSC
Nom
Max
0.85
-
0.10 0.10 0.10 0.05 0.08
0.90 0.05
0.46 0.10
The QFN24 Package uses Nickel-Palladium-Gold preplated leadframe.
All EFM32 packages are RoHS compliant and free of Bromine (Br) and Antimony (Sb).
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2013-10-09 - EFM32ZG108FXX - d0063_Rev0.60
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