2007-04-20
6
BC846...-BC850...
Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
AC Characteristics
Transition frequency
IC = 10 mA, VCE = 5 V, f = 100 MHz fT- 250 - MHz
Collector-base capacitance
VCB = 10 V, f = 1 MHz Ccb - 0.95 - pF
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz Ceb - 9 -
Short-circuit input impedance
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C
h11e
-
-
-
2.7
4.5
8.7
-
-
-
kΩ
Open-circuit reverse voltage transf. ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C
h12e
-
-
-
1.5
2
3
-
-
-
10-4
Short-circuit forward current transf. ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C
h21e
-
-
-
200
330
600
-
-
-
Open-circuit output admittance
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B
IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C
h22e
-
-
-
18
30
60
-
-
-
µS
Noise figure
IC = 200 µA, VCE = 5 V, f = 1 kHz,
∆ f = 200 Hz, RS = 2 kΩ, BC849..., BC850...
F- 1.2 4 dB
Equivalent noise voltage
IC = 200 µA, VCE = 5 V, RS = 2 kΩ,
f = 10 ... 50 Hz , BC850...
Vn- - 0.135 µV
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