Datasheet

BC 856 ... BC 860
4 Sep-28-1999
Electrical Characteristics at T
A
= 25°C, unless otherwise specified.
Parameter
Symbol Values Unit
min. typ. max.
AC Characteristics
Transition frequency
I
C
= 20 mA, V
CE
= 5 V, f = 100 MHz
f
T
- 250 - MHz
Collector-base capacitance
V
CB
= 10 V, f = 1 MHz
C
cb
- 3 - pF
Emitter-base capacitance
V
EB
= 0.5 V, f = 1 MHz
C
eb
- 8 -
Short-circuit input impedance
I
C
= 2 mA, V
CE
= 5 V, f = 1 kHz
h
FE
-gr.A
h
FE
-gr.B
h
FE
-gr.C
h
11e
-
-
-
2.7
4.5
8.7
-
-
-
k
Open-circuit reverse voltage transf.ratio
I
C
= 2 mA, V
CE
= 5 V, f = 1 kHz
h
FE
-gr.A
h
FE
-gr.B
h
FE
-gr.C
h
12e
-
-
-
1.5
2
3
-
-
-
10
-4
Short-circuit forward current transf.ratio
I
C
= 2 mA, V
CE
= 5 V, f = 1 kHz
h
FE
-gr.A
h
FE
-gr.B
h
FE
-gr.C
h
21e
-
-
-
200
330
600
-
-
-
-
Open-circuit output admittance
I
C
= 2 mA, V
CE
= 5 V, f = 1 kHz
h
FE
-gr.A
h
FE
-gr.B
h
FE
-gr.C
h
22e
-
-
-
18
30
60
-
-
-
µS
Noise figure
I
C
= 0.2 mA, V
CE
= 5 V, R
S
= 1 k,
f = 1 kHz, f = 200 Hz
BC 859
BC 860
F
- - - dB
Equivalent noise voltage
I
C
= 200 µA, V
CE
= 5 V, R
S
= 2 k,
f = 10 ... 50 Hz
BC 860
V
n
- - 0.11 µV