BD949, BD951, BD953, BD955
BD950, BD952, BD954, BD956
Collector current (Peak value)
Total power dissipation upto T
mb
=25°C
Junction temperature
Storage temperature
THERMAL RESISTANCE
From junction to ambient
From junction to mounting base
CHARACTERISTICS
T
amb
= 25°C unless otherwise specified
Collector cutoff current
I
E
= 0; V
CB
= V
CBO
I
E
= 0; V
CB
= �½ V
CBO
; Tj = 150°C
I
B
= 0; V
CE
= �½ V
CEO
Emitter cut-off current
I
C
= 0; V
EB
= 5 V
Breakdown voltages
I
C
= 1 mA; I
B
= 0
I
C
= 1 mA; I
E
= 0
I
E
= 1 mA; I
C
= 0
Saturation voltage
I
C
= 2 A; I
B
= 0.2 A
Base emitter on voltage
I
C
= 2 A; V
CE
= 4 V
D.C. current gain
I
C
= 0.5 A; V
CE
= 4 V
I
C
= 2 A; V
CE
= 4 V
Transition frequency
I
C
= 0.5 A; V
CE
= 4 V; f = 1 MHz
Switching time
V
CC
= 20 V; I
C
= 1 A
I
con
= 1A; I
Bon
= –I
Boff
= 0.1A
R
L
= 20Ω
Turn on time
NPN
Turn off time
NPN
PNP
PNP
I
CM
P
tot
T
j
T
stg
R
th j–a
R
th j–mb
max.
max.
max.
8.0
40
150
–65 to +150
70
3.12
A
W
°C
°C
K /W
K /W
949
950
I
CBO
I
CBO
I
CEO
I
EBO
V
CEO
V
CBO
V
EBO
V
CEsat
*
V
BE(on)
*
h
FE
*
h
FE
*
f
T
max.
max.
max.
max.
min. 60
min. 60
min.
max.
max.
min.
min.
min.
951
952
953
954
955
956
µA
mA
mA
mA
120
120
V
V
V
V
V
50
1.0
0.1
0.2
80
80
100
100
5.0
1.0
1.4
40
20
3
MHz
t
on
t
off
t
on
t
off
typ.
typ.
typ.
typ.
0.3
1.5
0.1
0.4
µs
µs
µs
µs
* Measured under pulse conditions: t
p
≤
300µs; duty cycle
≤
2%
Continental Device India Limited
Data Sheet
Page 2 of 3
CDIL [ Continental Device India Limited ]
