BD544, BD544A, BD544B, BD544C
PNP SILICON POWER TRANSISTORS
MAXIMUM SAFE OPERATING REGIONS
MAXIMUM FORWARD-BIAS
SAFE OPERATING AREA
-10
SAS634AF
I
C
- Collector Current - A
-1·0
-0·1
-0·01
-1·0
BD544
BD544A
BD544B
BD544C
-10
-100
-1000
V
CE
- Collector-Emitter Voltage - V
Figure 4.
THERMAL INFORMATION
MAXIMUM POWER DISSIPATION
vs
CASE TEMPERATURE
80
P
tot
- Maximum Power Dissipation - W
70
60
50
40
30
20
10
0
0
25
50
75
100
125
150
T
C
- Case Temperature - °C
TIS633AD
Figure 5.
4
JUNE 1973 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
NOITAMROFNI
TCUDORP