BFP420
Low Noise Silicon Bipolar RF Transistor
•
For high gain and low noise amplifiers
•
Minimum noise figure
NF
min
= 1.1 dB at 1.8 GHz
Outstanding
G
ms
= 21 dB at 1.8 GHz
•
For oscillators up to 10 GHz
•
Transition frequency
f
T
= 25 GHz
•
Pb-free (RoHS compliant) and halogen-free package
with visible leads
•
Qualification report according to AEC-Q101 available
3
4
1
2
ESD
(
E
lectro
s
tatic
d
ischarge) sensitive device, observe handling precaution!
Type
BFP420
Marking
AMs
1=B
Pin Configuration
2=E
3=C
4=E
-
-
Package
SOT343
Maximum Ratings
at
T
A
= 25 °C, unless otherwise specified
Parameter
Symbol
V
CEO
Value
Unit
Collector-emitter voltage
T
A
= 25 °C
T
A
= -55 °C
V
4.5
4.1
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation
1)
T
S
≤
98 °C
V
CES
V
CBO
V
EBO
I
C
I
B
P
tot
T
J
T
Stg
15
15
1.5
60
9
210
150
-55 ... 150
mW
°C
mA
Junction temperature
Storage temperature
1
T
S
is
measured on the emitter lead at the soldering point to the pcb
Thermal Resistance
Parameter
Symbol
R
thJS
1
Value
Unit
Junction - soldering point
1)
250
K/W
2013-09-19
BFP420
Electrical Characteristics
at
T
A
= 25 °C, unless otherwise specified
Symbol
Values
Parameter
min.
DC Characteristics
Collector-emitter breakdown voltage
I
C
= 1 mA,
I
B
= 0
Collector-emitter cutoff current
V
CE
= 15 V,
V
BE
= 0
Collector-base cutoff current
V
CB
= 5 V,
I
E
= 0
Emitter-base cutoff current
V
EB
= 0.5 V,
I
C
= 0
DC current gain
I
C
= 20 mA,
V
CE
= 4 V, pulse measured
1
For
Unit
max.
-
10
100
3
130
V
µA
nA
µA
-
typ.
5
-
-
-
95
V
(BR)CEO
I
CES
I
CBO
I
EBO
h
FE
4.5
-
-
-
60
the definition of
R
thJS
please refer to Application Note AN077 (Thermal Resistance Calculation)
2
2013-09-19
BFP420
Electrical Characteristics
at
T
A
= 25 °C, unless otherwise specified
Parameter
Symbol
Values
min.
AC Characteristics
(verified by random sampling)
Transition frequency
I
C
= 30 mA,
V
CE
= 3 V,
f
= 2 GHz
Collector-base capacitance
V
CB
= 2 V,
f
= 1 MHz,
V
BE
= 0 ,
emitter grounded
Collector emitter capacitance
V
CE
= 2 V,
f
= 1 MHz,
V
BE
= 0 ,
base grounded
Emitter-base capacitance
V
EB
= 0.5 V,
f
= 1 MHz,
V
CB
= 0 ,
collector grounded
Minimum noise figure
I
C
= 5 mA,
V
CE
= 2 V,
f
= 1.8 GHz,
Z
S
=
Z
Sopt
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
Insertion power gain
V
CE
= 2 V,
I
C
= 20 mA,
f
= 1.8 GHz,
Z
S
=
Z
L
= 50
Ω
Third order intercept point at output
2)
V
CE
= 2 V,
I
C
= 20 mA,
f
= 1.8 GHz,
Z
S
=
Z
L
= 50
Ω
1dB compression point at output
I
C
= 20 mA,
V
CE
= 2 V,
Z
S
=
Z
L
= 50
Ω
,
f
= 1.8 GHz
1
G
Unit
max.
-
0.3
GHz
pF
typ.
25
0.15
f
T
C
cb
18
-
C
ce
-
0.37
-
C
eb
-
0.55
-
NF
min
G
ms
-
-
1.1
21
-
-
dB
dB
|S
21
|
2
14
17
-
IP3
-
22
-
dBm
P
-1dB
-
12
-
ms = |S21 /
S
12 |
2
IP3 value depends on termination of all intermodulation frequency components.
Termination used for this measurement is 50Ω from 0.1 MHz to 6 GHz
3
2013-09-19
BFP420
Total power dissipation
P
tot
=
ƒ
(T
S
)
Permissible Pulse Load
R
thJS
=
ƒ
(t
p
)
240
mW
10
3
K/W
180
150
R
thJS
10
2
P
tot
120
90
60
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
30
10
1 -7
10
0
0
30
60
90
°C
150
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
T
S
t
p
Permissible Pulse Load
P
totmax
/P
totDC
=
ƒ
(t
p
)
10
1
Collector-base capacitance
C
cb
=
ƒ
(V
CB
)
f
= 1MHz
0.3
P
totmax
/P
totDC
pF
-
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
C
cb
-3
-2
0.2
0.15
0.1
0.05
10
0 -7
10
10
-6
10
-5
10
-4
10
10
s
10
0
0
0
1
2
V
4
t
p
V
CB
4
2013-09-19
BFP420
Transition frequency
f
T
=
ƒ
(I
C
)
f
= 2 GHz
V
CE
= parameter in V
30
GHz
2 to 4
40
44
Power gain
G
ma
,
G
ms
, |S
21
|² =
ƒ
(f)
V
CE
= 2 V,
I
C
= 20 mA
1.5
24
22
20
1
0.75
36
32
f
T
G
28
ms
18
16
14
12
10
8
6
4
2
0
0
5
10
15
20
25
30
mA
0.5
G [dB]
24
20
G
16
2
ma
|S
21
|
12
8
4
40
0
0
1
2
3
4
5
6
I
C
f [GHz]
Power gain
G
ma
,
G
ms
=
ƒ
(I
C
)
V
CE
= 2V
f
= parameter in GHz
30
dB
0.9
Power gain
G
ma
,
G
ms
=
ƒ
(V
CE
)
I
C
= 20 mA
f
= parameter in GHz
30
dB
0.9
24
22
20
1.8
24
22
20
1.8
2.4
3
4
5
6
G
18
16
14
12
10
8
6
4
2
0
0
4
8
12
16
20
24
28
G
2.4
3
4
5
6
18
16
14
12
10
8
6
4
2
32
mA
40
0
0
0.5
1
1.5
2
2.5
3
3.5
V
4.5
I
C
V
CE
5
2013-09-19
