BC856S/U_BC857S
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
Collector-base capacitance
VCB = 10 V, f = 1 MHz
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz
fT
- 250 - MHz
Ccb
-
1.5
- pF
Ceb
-
8
-
Short-circuit input impedance
IC = 2 mA, VCE = 5 V, f = 1 kHz
Open-circuit reverse voltage transf. ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz
Short-circuit forward current transf. ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz
h11e
h12e
h21e
-
4.5
- kΩ
-
2
- 10-4
- 330 - -
Open-circuit output admittance
IC = 2 mA, VCE = 5 V, f = 1 kHz
Noise figure
h22e
F
-
30
- µS
-
-
10 dB
IC = 200 µA, VCE = 5 V, f = 1 kHz,
∆ f = 200 Hz, RS = 2 kΩ
4
2011-07-25