BFS482 Datasheet, PDF (3/6 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For low-noise, high-gain broadband amplifiers at collector currents from 1mA to 20mA.)

BFS482
Electrical Characteristics at T_A = 25°C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min. typ. max.
AC characteristics (verified by random sampling)
Transition frequency
I_C = 15 mA, V_CE = 8 V, f = 500 MHz
Collector-base capacitance
V_CB = 10 V, f = 1 MHz
Collector-emitter capacitance
V_CE = 10 V, f = 1 MHz
Emitter-base capacitance
V_EB = 0.5 V, f = 1 MHz
Noise figure
I_C = 3 mA, V_CE = 8 V, Z_S = Z_Sopt ,
f = 900 MHz
f = 1.8 GHz
f_T
6
8
- GHz
C_cb
-
0.3 0.45 pF
C_ce
- 0.12 -
C_eb
- 0.65 -
F
dB
-
1.2
-
-
1.9
-
Power gain, maximum stable ¹⁾
G_ms
I_C = 10 mA, V_CE = 8 V, Z_S = Z_Sopt, Z_L = Z_Lopt ,
f = 900 MHz
- 19.5 -
Power gain, maximum available ²⁾
I_C = 10 mA, V_CE = 8 V, Z_S = Z_Sopt, Z_L = Z_Lopt ,
f = 1.8 GHz
Transducer gain

I_C = 10 mA, V_CE = 8 V, Z_S = Z_L = 50 ,
f = 900 MHz
f = 1.8 GHz
G_ma
|S_21e|²
-
13
-
- 15.5 -
-
10
-
1_{Gms = |S21 / S12|}
2_{Gma = |S21 / S12| (k-(k}2_-1)1/2₎
3
Jun-27-2001