Electrical Characteristic Curves (BC856-HF Thru. BC858-HF Series)
VBE, (mV)
-400
-1200
Comchip Technology CO., LTD.
Page 4
REV:A
-200
-800
General Purpose Transistor
QW-JTR16
IC, (mA)
-600
-1000
0
T
am
b=
-5
5°
C
T
a
m
b
=
2
5
°C
T
a
m
b
=
1
5
0
°C
BC857C;VCE= -5V
Fig.10 - Base-Emitter voltage as a function
of collector current; typical values
VBEsat, (mV)
-400
-1200
-200
-800
IC, (mA)
-600
-1000
0
BC857B;IC/IB= 20
T
am
b=
-5
5°
C
T
am
b=
25
°C
T
am
b=
15
0°
C
Fig.8 - Base-Emitter saturation voltage
as a function of collector current;
values typical
hFE
400
1000
200
800
IC, (mA)
600
0
Fig.9 - DC current gain as a function fo
collector current; typical values.
BC857C;VCE= -5V
T
a
m
b
=
1
5
0
°C
T
amb=25°C
T
amb=-55°C
VCEsat, (mV)
IC, (mA)
Fig.7 - Collector-Emitter saturation voltage
as a function of collector current
typical values.
-10
4
-10
3
-10
2
-10
Tamb=25°C
T
amb=-55°C
Tamb=150°C
BC857B;IC/IB= 20
VBEsat, (mV)
-400
-1200
-200
-800
IC, (mA)
-600
-1000
0
BC857C;IC/IB= 20
T
am
b=
-5
5°
C
T
am
b=
25
°C
Tam
b=
15
0°
C
Fig.12 - Base-Emitter saturation voltage
as a function of collector current;
typical values
Fig.11 - Collector-Emitter saturation voltage
as a function of collector current;
typical values.
Company reserves the right to improve product design , functions and reliability without notice.
VCEsat , (mV)
IC, (mA)
BC857C;IC/IB= 20
Tamb=25°C
Tamb=-55°C
Tamb=150°C
-10
-1
-10
-1
-10
2
-10
3
-10
4
-10
3
-10
2
-10
-10
-1
-10
-2
-10
-1
-10
2
-10
3
-10
-1
-10
-1
-10
2
-10
3
-10
-1
-10
-1
-10
2
-10
3
-10
-1
-10
-1
-10
2
-10
3
-10
-1
-10
-1
-10
2
-10
3
