BD235/BD236
BD237/BD238
COMPLEMENTARY SILICON POWER TRANSISTORS
s
SGS-THOMSON PREFERRED SALESTYPES
DESCRIPTION
The BD235 and BD237 are silicon epitaxial-base
NPN power transistors in Jedec SOT-32 plastic
package inteded for use in medium power linear
and switching applications.
The complementary PNP types are BD236 and
BD238 respectively.
3
2
1
SOT-32
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
NPN
PNP
V
CBO
V
CER
V
CEO
V
EBO
I
C
I
CM
P
t ot
T
stg
T
j
Collector-Base Voltage (I
E
= 0)
Collector-Base Voltage (R
BE
= 1KΩ)
Collector-Emitter Voltage (I
B
= 0)
Emitter-Base Voltage (I
C
= 0)
Collector Current
Collector Peak Current
Total Dissipation at T
c
= 25 C
Storage Temperature
Max. O perating Junction Temperature
o
Value
BD235
BD236
60
60
60
5
2
6
25
-65 to 150
150
BD237
BD238
100
100
80
Uni t
V
V
V
V
A
A
W
o
o
C
C
For PNP types voltage and current values are negative.
September 1997
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