2

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.

2.1

PSMC (TO-277A) package information

•

Epoxy meets UL94,V0

•

Cooling method : by conduction (C)

Figure 8. PSMC (TO-277A) package outline

Table 4. PSMC (TO-277A) package mechanical data

Ref.

Dimensions

Millimeters

Inches (for reference only)

Min.

Typ.

Max.

Min.

Typ.

Max.

A

1.00

1.10

1.20

0.039

0.043

0.047

b

1.05

1.20

1.35

0.041

0.047

0.053

b2

1.90

2.05

2.20

0.075

0.081

0.087

b4

0.75

0.029

C

0.15

0.23

0.40

0.006

0.009

0.016

D

4.45

4.60

4.75

0.175

0.181

0.187

D1

4.25

4.40

4.45

0.167

0.173

0.175

D2

3.40

3.60

3.70

0.134

0.142

0.146

STPS1045SF

Package information

DS12693 - Rev 1

page 5/9