BC857...-BC860...
Electrical Characteristics
at
T
A
= 25°C, unless otherwise specified
Parameter
AC Characteristics
Transition frequency
I
C
= 20 mA,
V
CE
= 5 V,
f
= 100 MHz
f
T
C
cb
C
eb
h
11e
Symbol
min.
-
-
-
Values
typ.
250
1.5
8
max.
-
-
-
Unit
MHz
pF
Collector-base capacitance
V
CB
= 10 V,
f
= 1 MHz
Emitter-base capacitance
V
EB
= 0.5 V,
f
= 1 MHz
Short-circuit input impedance
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.A
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.B
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.C
kΩ
-
-
-
2.7
4.5
8.7
1.5
2
3
200
330
600
18
30
60
1
-
-
-
10
-4
-
-
-
-
-
-
-
-
-
-
-
-
-
µS
-
-
-
-
-
-
4
dB
Open-circuit reverse voltage transf. ratio
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.A
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.B
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.C
h
12e
Short-circuit forward current transf. ratio
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.A
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.B
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.C
h
21e
Open-circuit output admittance
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.A
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.B
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
, h
FE
-grp.C
h
22e
Noise figure
I
C
= 0.2 mA,
V
CE
= 5 V,
f
= 1 kHz,
F
-
∆
f
= 200 Hz,
R
S
= 2 kΩ, BC859, BC850
Equivalent noise voltage
I
C
= 200 mA,
V
CE
= 5 V,
R
S
= 2 kΩ,
f
= 10...50 Hz, BC860
V
n
-
-
0.11
µV
4
2011-09-19
INFINEON [ INFINEON TECHNOLOGIES AG ]
