BFP405 Infineon Technologies, BFP405 Datasheet - Page 8

• Manufacturer Part Number: BFP405
• Description: RF TRANSISTOR, NPN, SOT-343
• Manufacturer: Infineon Technologies

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

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