BFP405 Infineon Technologies, BFP405 Datasheet - Page 8
![RF TRANSISTOR, NPN, SOT-343](/photos/22/7/220759/ge4sot34305-40_sml.jpg)
BFP405
Manufacturer Part Number
BFP405
Description
RF TRANSISTOR, NPN, SOT-343
Manufacturer
Infineon Technologies
Datasheet
1.BFP405.pdf
(10 pages)
Specifications of BFP405
Transistor Polarity
N Channel
Collector Emitter Voltage V(br)ceo
4.5V
Gain Bandwidth Ft Typ
25GHz
Power Dissipation Pd
55mW
Dc Collector Current
12mA
Operating Temperature Range
-65°C To +150°C
Rf
RoHS Compliant
Dc Current Gain Hfe
95
Rohs Compliant
Yes
Packages
SOT343
Vceo (max)
4.5 V
Ic(max)
12.0 mA
Nfmin (typ)
1.25 dB
Gmax (typ)
23.0 dB
Oip3
15.0 dBm
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Noise figure F = ƒ( I
V
Noise figure F = ƒ( f )
V
CE
CE
dB
dB
= 2 V, Z
2.5
1.5
0.5
= 1 V, Z
1.5
0.5
4
3
2
1
0
3
2
1
0
0
0
2
1
S
S
= Z
= Z
Sopt
Sopt
4
2
C
)
6
3
IC = 5 mA
IC = 2 mA
f = 6 GHz
f = 5 GHz
f = 4 GHz
f = 3 GHz
f = 2.4 GHz
f = 1.8 GHz
f = 0.9 GHz
8
4
GHz
mA
I
f
C
12
6
8
Noise figure F = ƒ( I
V
Source impedance for min.
noise figure vs. frequency
V
CE
CE
dB
= 2 V, f = 1.8 GHz
2.5
1.5
0.5
= 3 V, I
0
4
3
2
1
0
+j10
-j10
0
+j25
10
-j25
C
2
= 2 mA / 5 mA
25
6GHz
4
5GHz
C
4GHz
)
50
+j50
-j50
6
3GHz
100
ZS = 50 Ohm
ZS = ZSopt
8
2005-10-11
2mA
5mA
1.8GHz
0.9GHz
BFP405
mA
+j100
-j100
I
C
12