Owner's manual

BC857FA
Document number: DS36018 Rev. 1 - 2
4 of 6
www.diodes.com
July 2013
© Diodes Incorporated
BC857BFA
Typical Electrical Characteristics (@T
A
= +25°C, unless otherwise specified.)
01 2 3 45
-V , COLLECTOR-EMITTER VOLTAGE (V)
CE
Fig. 4 Typical Collector Current
vs. Collector-Emitter Voltage
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.18
-I ,
C
O
LLE
C
T
O
R
C
U
R
R
EN
T
(A)
C
0.16
I = -2mA
B
I = -0.2mA
B
I = -0.4mA
B
I = -0.6mA
B
I = -0.8mA
B
I = -1.6mA
B
I = -1.4mA
B
I = -1.2mA
B
I = -1.8mA
B
I = -1mA
B
0
50
100
150
200
250
300
350
400
450
500
550
600
0 1 10 100 1,000
-I , COLLECTOR CURRENT (mA)
C
Fig. 5 Typical DC Current Gain vs. Collector Current
-h , D
C
C
U
R
R
ENT
G
AIN
FE
T = -55°C
A
T = 25°C
A
T = 150°C
A
T = 125°C
A
T = 85°C
A
V = 5V
CE
0.01
0.1
1
0.1 1 10 100 1,000
-I , COLLECTOR CURRENT (mA)
C
Fig. 6 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
-V ,
C
O
LLE
C
T
O
R
-EMI
T
T
E
R
SATURATION
CE(SAT)
VOLTAGE (V)
T = -55°C
A
I/I = 10
CB
T = 25°C
A
T = 125°C
A
T = 150°C
A
T = 85°C
A
0.1 1 10 100 1,000
-I , COLLECTOR CURRENT (mA)
C
Fig. 7 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
0.01
0.1
-V ,
C
O
LLE
C
T
O
R
-EMI
T
T
E
R
SATURATION
CE(SAT)
VOLTAGE (V)
1
I/I = 20
CB
T = -55°C
A
T = 25°C
A
T = 150°C
A
T = 85°C
A
T = 125°C
A
0.2
0.4
0.6
0.8
1.0
0.1 1 10 100 1,000
-I , COLLECTOR CURRENT (mA)
C
Fig. 8 Typical Base-Emitter Turn-On Voltage
vs. Collector Current
-V , BASE-EMI
T
T
E
R
T
U
R
N
-
O
N
V
O
L
T
A
G
E (V)
BE(ON)
V = -5V
CE
T = 85°C
A
T = 25°C
A
T = -55°C
A
T = 125°C
A
T = 150°C
A
0.2
0.4
0.6
0.8
1.0
1.2
0.1 1 10 100 1,000
-I , COLLECTOR CURRENT (mA)
C
Fig. 9 Typical Base-Emitter Saturation Voltage
vs. Collector Current
-V , BASE-EMI
T
T
E
R
SA
T
U
R
A
T
I
O
N V
O
L
T
A
G
E (V)
BE(SAT)
T = 85°C
A
T = 25°C
A
T = -55°C
A
T = 125°C
A
T = 150°C
A
Gain = 10