BD544 Power Innovations Limited, BD544 Datasheet - Page 5

• Manufacturer Part Number: BD544
• Description: PNP SILICON POWER TRANSISTORS
• Manufacturer: Power Innovations Limited

TO-220
3-pin plastic flange-mount package
NOTES: A. The centre pin is in electrical contact with the mounting tab.
P R O D U C T
TO220
This single-in-line package consists of a circuit mounted on a lead frame and encapsulated within a plastic
compound. The compound will withstand soldering temperature with no deformation, and circuit performance
characteristics will remain stable when operated in high humidity conditions. Leads require no additional
cleaning or processing when used in soldered assembly.
B. Mounting tab corner profile according to package version.
C. Typical fixing hole centre stand off height according to package version.
ø
see Note B
see Note C
Version 1, 18.0 mm. Version 2, 17.6 mm.
3,96
3,71
0,97
0,61
I N F O R M A T I O N
1
VERSION 1
2
10,4
10,0
3
ALL LINEAR DIMENSIONS IN MILLIMETERS
2,74
2,34
5,28
4,88
1,70
1,07
MECHANICAL DATA
6,1
3,5
2,95
2,54
6,6
6,0
15,90
14,55
14,1
12,7
PNP SILICON POWER TRANSISTORS
BD544, BD544A, BD544B, BD544C
4,70
4,20
2,90
2,40
1,32
1,23
VERSION 2
JUNE 1973 - REVISED MARCH 1997
0,64
0,41
MDXXBE
5