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. . . for amplifier and switching applications. Complementary types
are BD438 and BD442.
THERMAL CHARACTERISTICS
MAXIMUM RATINGS
Thermal Resistance, Junction to Case
Operating and Storage Junction
Temperature Range
Total Device Dissipation @ T
C
= 25_C
Derate above 25_C
Base Current
Collector Current
Emitter鈥揃ase Voltage
Collector鈥揃ase Voltage
Collector鈥揈mitter Voltage
Characteristic
Rating
BD437
BD439
BD441
BD437
BD439
BD441
Symbol
Symbol
T
J
, T
stg
V
CBO
V
CEO
V
EBO
胃
JC
P
D
I
C
I
B
鈥?5 to +150
Value
Max
36
288
3.5
1.0
4.0
5.0
45
60
80
45
60
80
Watts
W/_C
_C/W
Unit
Unit
Adc
Adc
Vdc
Vdc
Vdc
_C
Plastic Medium Power Silicon
NPN Transistor
ON Semiconductort
May, 2001 鈥?Rev. 10
漏
Semiconductor Components Industries, LLC, 2001
1
4.0 AMPERES
POWER TRANSISTORS
NPN SILICON
Publication Order Number:
BD437/D
BD437
BD439
BD441
CASE 77鈥?9
TO鈥?25AA TYPE
1
2
3
4
