BC857BF Datasheet, PDF (3/8 Pages) Infineon Technologies AG – PNP Silicon AF Transistor

AC Characteristics
Transition frequency
I_C = 20 mA, V_CE = 5 V, f = 100 MHz
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
Open-circuit reverse voltage transf. ratio
I_C = 2 mA, V_CE = 5 V, f = 1 kHz
Short-circuit forward current transf. ratio
I_C = 2 mA, V_CE = 5 V, f = 1 kHz
Open-circuit output admittance
I_C = 2 mA, V_CE = 5 V, f = 1 kHz
Noise figure
I_C = 200 µA, V_CE = 5 V, f = 1 kHz,
∆ f = 200 Hz, R_S = 2 kΩ, BC859BF
I_C = 200 µA, V_CE = 5 V, f = 1 kHz,
∆ f = 200 Hz, R_S = 2 kΩ, BC860BF
Equivalent noise voltage
I_C = 200 µA, V_CE = 5 V, R_S = 2 kΩ,
f = 10...50 Hz , BF860BF
BC857BF...BC860BF
f_T
C_cb
C_eb
h_11e
h_12e
h_21e
h_22e
F
V_n
-
250
- MHz
-
3
- pF
-
10
-
-
4.5
- kΩ
-
2
- 10^-4
-
330
--
-
30
- µS
dB
-
1
4
-
1
4
-
- 0.11 µV
3
Jun-16-2004