Datasheet

BD439/BD440
BD441/BD442
COMPLEMENTARY SILICON POWER TRANSISTORS
STMicroelectronics PREFERRED
SALESTYPES
COMPLEMENTARY PNP - NPN DEVICES
DESCRIPTION
The BD439 and BD441 are silicon epitaxial-base
NPN power transistors in Jedec SOT-32 plastic
package, intented for use in power linear and
switching applications.
The complementary PNP types are BD440, and
BD442 respectively.
®
INTERNAL SCHEMATIC DIAGRAM
December 2000
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
NPN BD439 BD441
PNP BD440 BD442
V
CBO
Collector-Base Voltage (I
E
= 0) 60 80 V
V
CES
Collector-Emitter Voltage (V
BE
= 0) 60 80 V
V
CEO
Collector-Emitter Voltage (I
B
= 0) 60 80 V
V
EBO
Emitter-Base Voltage (I
C
= 0) 5 V
I
C
Collector Current 4 A
I
CM
Collector Peak Current (t 10 ms)
7A
I
B
Base Current 1 A
P
tot
Total Dissipation at T
c
≤ 25
o
C
36 W
T
stg
Storage Temperature -65 to 150
o
C
T
j
Max. Operating Junction Temperature 150
o
C
For PNP types voltage and current values are negative.
3
2
1
SOT-32
1/4

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