®
2N3439
2N3440
SILICON NPN TRANSISTORS
s
s
STMicroelectronics PREFERRED
SALESTYPES
NPN TRANSISTOR
DESCRIPTION
The 2N3439 and 2N3440 are silicon epitaxial
planar NPN transistors in jedec TO-39 metal case
designed for use in consumer and industrial
line-operated applications.
These devices are particularly suited as drivers in
high-voltage low current inverters, switching and
series regulators.
TO-39
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
B
P
tot
P
tot
T
stg
T
j
Parameter
2N3439
Collector-Base Voltage (I
E
= 0)
Collector-Emitter Voltage (I
B
= 0)
Emitter-Base Voltage (I
C
= 0)
Collector Current
Base Current
Total Dissipation at T
c
≤
25
o
C
Total Dissipation at T
amb
≤
50 C
Storage Temperature
o
Value
2N3440
300
250
7
1
0.5
10
1
-65 to 200
200
450
350
Unit
V
V
V
A
A
W
W
o
o
C
C
1/4
Max. Operating Junction Temperature
December 2000
STMICROELECTRONICS [ STMICROELECTRONICS ]
