5

Package information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages,

depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product

status are available at: www.st.com. ECOPACK is an ST trademark.

5.1

SO8 package information

Figure 14. SO8 package outline

Table 4. SO8 package mechanical data

Ref.

Dimensions

Millimeters

Inches

Min.

Typ.

Max.

Min.

Typ.

Max.

A

1.75

0.069

A1

0.10

0.25

0.04

0.010

A2

1.25

0.049

b

0.28

0.40

0.48

0.011

0.016

0.019

c

0.17

0.23

0.007

0.010

D

4.80

4.90

5.00

0.189

0.193

0.197

E

5.80

6.00

6.20

0.228

0.236

0.244

E1

3.80

3.90

4.00

0.150

0.154

0.157

e

1.27

0.050

h

0.25

0.50

0.010

0.020

L

0.40

0.635

1.27

0.016

0.050

L1

1.04

0.040

k

1°

8°

1°

8°

ccc

0.10

0.004

LM2903B

Package information

DS13991 - Rev 2

page 9/20