Infineon Technologies N/A BFP 420 NPN Case type SOT 343 I(C) BFP420 Data Sheet

Product codes
BFP420
Page of 9
2009-12-02
BFP420
3
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
 = 30 mA, V
CE
 = 3 V, f = 2 GHz
f
T
18
25
-
GHz
Collector-base capacitance 
V
CB
 = 2 V, f = 1 MHz, V
BE
 = 0 ,  
emitter grounded
C
cb
-
0.15
0.3
pF
Collector emitter capacitance 
V
CE
 = 2 V, f = 1 MHz, V
BE
 = 0 ,  
base grounded
C
ce
-
0.37
-
Emitter-base capacitance 
V
EB
 = 0.5 V, f = 1 MHz, V
CB
 = 0 ,  
collector grounded
C
eb
-
0.55
-
Noise figure 
I
C
 = 5 mA, V
CE
 = 2 V, f = 1.8 GHz,  Z
S
 = Z
Sopt
F
-
1.1
-
dB
Power gain, maximum stable
1)
 
I
C
 = 20 mA, V
CE
 = 2 V, Z
S
 = Z
Sopt
,  
Z
L
 = Z
Lopt
 , f = 1.8 GHz
G
ms
-
21
-
dB
Insertion power gain 
V
CE
 = 2 V, I
C
 = 20 mA, f = 1.8 GHz,  
Z
S
 = Z
= 50 
Ω 
|S
21
|
2
14
17
-
Third order intercept point at output
2)
 
V
CE
 = 2 V, I
C
 = 20 mA, f = 1.8 GHz,  
Z
S
 = Z
= 50 
Ω
IP
3
-
22
-
dBm
1dB Compression point at output 
I
C
 = 20 mA, V
CE
 = 2 V, Z
S
 = Z
= 50 
Ω,  
f = 1.8 GHz
P
-1dB
-
12
-
1
Gms = |S21 / S12|
2
IP3 value depends on termination of all intermodulation frequency components.
Termination used for this measurement is 50
Ω from 0.1 MHz to 6 GHz