BD135
BD139
NPN SILICON TRANSISTORS
n STMicroelectronics PREFERRED
SALESTYPES
DESCRIPTION
The BD135 and BD139 are silicon epitaxial
planar NPN transistors in Jedec SOT-32 plastic
package, designed for audio amplifiers and
drivers utilizing complementary or quasi
compementary circuits.
The complementary PNP types are BD136 and
BD140 respectively.
INTERNAL SCHEMATIC DIAGRAM
May 1999
3
2
1
SOT-32
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
BD135 BD139
V
CBO
Collector-Base Voltage (I
E
=0) 45 80 V
V
CEO
Collector-Emitter Voltage (I
B
=0) 45 80 V
VEBO Emitter-Base Voltage (IC =0) 5 V
IC Collector Current 1.5 A
I
CM
Collector Peak Current 3 A
I
B
Base Current 0.5 A
Ptot Total Dissipation at T
c
≤ 25
o
C 12.5 W
P
tot Total Dissipation at Tamb ≤ 25
o
C 1.25 W
T
stg
Storage Temperature -65 to 150
o
C
Tj Max. Operating Junction Temperature 150
o
C
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