BFP420 Infineon Technologies, BFP420 Datasheet - Page 8

• Manufacturer Part Number: BFP420
• Description: RF TRANSISTOR, NPN, 4.5V, 25GHZ, SOT-343
• Manufacturer: Infineon Technologies

Specifications of BFP420

• Transistor Polarity: NPN
• Collector Emitter Voltage V(br)ceo: 4.5V
• Transition Frequency Typ Ft: 25GHz
• Power Dissipation Pd: 160mW
• Dc Collector Current: 35mA
• Dc Current Gain Hfe: 95
• Packages: SOT343
• Vceo (max): 4.5 V
• Ic(max): 35.0 mA
• Nfmin (typ): 1.1 dB
• Gmax (typ): 21.0 dB
• Oip3: 22.0 dBm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
= 2 V, Z
1.5
0.5
4
3
2
1
0
3
2
1
0
0
0
4
1
S
S
8
= Z
= Z
12
Sopt
Sopt
2
C
16
)
3
20
IC = 20 mA
IC = 5 mA
24
4
f = 6 GHz
f = 5 GHz
f = 4 GHz
f = 3 GHz
f = 2.4 GHz
f = 1.8 GHz
f = 0.9 GHz
28
GHz
32 mA 38
I
f
C
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
1.5
0.5
= 2 V, I
0
3
2
1
0
+j10
-j10
0
4
+j25
10
-j25
C
= 5 mA / 20 mA
8
4GHz
5GHz
25
3GHz
12
6GHz
C
2.4GHz
16
)
50
+j50
-j50
1.8GHz
20
100
0.9GHz
24
2006-03-24
ZS = 50 Ohm
ZS = ZSopt
0.45GHz
28 mA
BFP420
+j100
-j100
I
C
36