BC846W...BC850W
4 Aug-20-2001
Electrical Characteristics at TA = 25 °C, unless otherwise specified.
Parameter Symbol Values Unit
min. typ. max.
AC characteristics
Transition frequency
IC = 20 mA, VCE = 5 V, f = 100 MHz fT- 250 - MHz
Collector-base capacitance
VCB = 10 V, f = 1 MHz Ccb - 2 3 pF
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz Ceb - 10 15
Short-circuit input impedance
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h11e
-
-
-
2.7
4.5
8.7
-
-
-
k
Open-circuit reverse voltage transf.ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h12e
-
-
-
1.5
2
3
-
-
-
10-4
Short-circuit forward current transf.ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h21e
-
-
-
200
330
600
-
-
-
-
Open-circuit output admittance
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h22e
-
-
-
18
30
60
-
-
-
S
Noise figure
IC = 200 µA, VCE = 5 V, RS = 2 k
,
f = 1 kHz,
f = 200 Hz
BC846W
BC847W
BC848W
F- - 10 dB
Noise figure
IC = 200 µA, VCE = 5 V, RS = 2 k
,
f = 1 kHz,
f = 200 Hz
BC849W
BC850W
F
-
-
1.2
1
4
4
Equivalent noise voltage
IC = 200 µA, VCE = 5 V, RS = 2 k
,
f = 10 ... 50 Hz
BC850W Vn- - 0.135 µV