BD439/BD440
BD441/BD442
COMPLEMENTARY SILICON POWER TRANSISTORS

a73 SGS-THOMSON PREFERRED SALESTYPES
a73 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
May 1997
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
IC Collector Current 4 A
I
CM
Collector Peak Current (t ≤ 10 ms) 7 A
I
B
Base Current 1 A
P
tot
Total Dissipation at T
c
≤ 25
o
C36W
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
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