Package information STTH3R04
6/10
Figure 17. Thermal resistance junction to ambient versus copper surface under
each lead, SMB, SMC (epoxy FR4, copper thickness = 35 µm)
2 Package information
● Epoxy meets UL94, V0
● Cooling method: by conduction (C)
In order to meet environmental requirements, ST offers these devices in ECOPACK
®
packages. These packages have a lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at www.st.com.
0
20
40
60
80
100
120
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
R
th(j-a)
(°C/W)
SMB
SMC
S
CU
(cm²)
Table 6. DO201AD dimensions
Ref.
Dimensions
Millimeters Inches
Min. Max. Min. Max.
A 9.50 0.374
B 25.40 1.000
C 5.30 0.209
D 1.30 0.051
E 1.25 0.049
Notes 1 - The lead diameter ø D is not
controlled over zone E
2 - The minimum length which must stay
straight between the right angles after
bending is 0.59"(15mm)
ØC
ØD
A
EE
Note 2
Note 1 Note 1
BB