Diodes BC857BLP4 - Manual (Page 3)

BC857BLP4
Document number: DS31361 Rev. 5 - 2
3 of 5
www.diodes.com
February 2011
© Diodes Incorporated
BC857BLP4
0
50
100
0 25 50 75 100 125 150
P
,
P
O
WE
R
DIS
S
IP
A
T
IO
N (
m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
A
150
200
250
300
R = 500 C/W θJA
°
-V , COLLECTOR-EMITTER VOLTAGE (V)
CE
-I
,
C
O
LL
E
C
T
O
R
C
U
R
R
EN
T
(A
)
C
Fig. 2 Typical Collector Current vs. Collector-Emitter Voltage
0 1 2 3 4 5
0
20
40
60
80
100
I = -0.1mA
B
I = -0.2mA
B
I = -0.3mA
B
I = -0.4mA
B
I = -0.5mA
B
0
100
200
300
400
500
1 10 100 1,000
I , COLLECTOR CURRENT (A)
C
V
, COL
L
ECT
O
R-
E
M
IT
T
E
R
SA
T
URA
T
IO
N
V
O
L
T
AG
E (
V
)
CE
(S
A
T
)
Fig. 4 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
0
0.1
0.2
0.3
0.1 1 10 100
I , COLLECTOR CURRENT (A)
C
V
, BA
SE-
EM
IT
TER T
URN-
ON VOL
T
AGE
(
V
)
BE(
O
N
)
Fig. 5 Typical Base-Emitter Turn-On Voltage
vs. Collector Current
0
0.2
0.4
0.6
0.8
1.0
0.1 1 10 100
Fig. 6 Typical Base-Emitter Saturation Voltage
vs. Collector Current
I , COLLECTOR CURRENT (A)
C
V
, BA
SE-
E
M
ITTE
R SA
TURA
TI
O
N
VO
L
T
AG
E
(V)
BE
(S
A
T
)
0.1 1 10 100