BFR181W
Low Noise Silicon Bipolar RF Transistor
•
For low noise, high-gain broadband amplifiers at
collector currents from 0.5 mA to 12 mA
•
f
T
= 8 GHz,
NF
min
= 0.9 dB at 900 MHz
•
Easy to use Pb-free (RoHS compliant) and halogen
free industry standard package with visible leads
•
Qualification report according to AEC-Q101 available
3
1
2
ESD
(
E
lectro
s
tatic
d
ischarge) sensitive device, observe handling precaution!
Type
BFR181W
Parameter
Marking
RFs
Pin Configuration
1=B
2=E
Symbol
V
CEO
V
CES
V
CBO
V
EBO
I
C
I
B
P
tot
T
J
T
A
T
Stg
Symbol
R
thJS
3=C
Value
Package
SOT323
Unit
Maximum Ratings
at
T
A
= 25 °C, unless otherwise specified
Collector-emitter voltage
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation
1)
T
S
≤
90 °C
12
20
20
2
20
2
175
150
-65 ... 150
-65 ... 150
Value
V
mA
mW
°C
Junction temperature
Ambient temperature
Storage temperature
Thermal Resistance
Parameter
Unit
Junction - soldering point
2)
1
T
S
is
2
For
345
K/W
measured on the collector lead at the soldering point of the pcb
the definition of
R
t
hJS
please refer to Application Note AN077 (Thermal Resistance Calculation)
1
2014-04-07
BFR181W
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
= 20 V,
V
BE
= 0
Collector-base cutoff current
V
CB
= 10 V,
I
E
= 0
Emitter-base cutoff current
V
EB
= 1 V,
I
C
= 0
DC current gain
I
C
= 5 mA,
V
CE
= 8 V, pulse measured
h
FE
70
100
140
-
I
EBO
-
-
1
µA
I
CBO
-
-
100
nA
I
CES
-
-
100
µA
V
(BR)CEO
12
-
-
V
typ.
max.
Unit
2
2014-04-07
BFR181W
Electrical Characteristics
at
T
A
= 25 °C, unless otherwise specified
Symbol
Values
Parameter
min.
AC Characteristics
(verified by random sampling)
Transition frequency
I
C
= 10 mA,
V
CE
= 8 V,
f
= 500 MHz
Collector-base capacitance
V
CB
= 10 V,
f
= 1 MHz,
V
BE
= 0 ,
emitter grounded
Collector emitter capacitance
V
CE
= 10 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
= 2 mA,
V
CE
= 8 V,
Z
S
=
Z
Sopt
,
f
= 900 MHz
I
C
= 2 mA,
V
CE
= 8 V,
Z
S
=
Z
Sopt
,
f
= 1.8 GHz
Power gain, maximum stable
1)
I
C
= 5 mA,
V
CE
= 8 V,
Z
S
=
Z
Sopt
,
Z
L
=
Z
Lopt
,
f
= 900 MHz
Power gain, maximum available
2)
I
C
= 5 mA,
V
CE
= 8 V,
Z
S
=
Z
Sopt
,
Z
L
=
Z
Lopt
,
f
= 1.8 GHz
Transducer gain
I
C
= 5 mA,
V
CE
= 8 V,
Z
S
=
Z
L
= 50
Ω
,
f
= 900 MHz
I
C
= 5 mA,
V
CE
= 8 V,
Z
S
=
Z
L
= 50
Ω
,
f
= 1.8 MHz
1
G
ms
2
G
ma
Unit
max.
-
0.45
GHz
pF
typ.
8
0.29
f
T
C
cb
6
-
C
ce
-
0.22
-
C
eb
-
0.35
-
NF
min
-
-
G
ms
-
0.9
1.2
19
-
-
-
dB
dB
G
ma
-
13.5
-
dB
|S
21e
|
2
-
-
15.5
10
-
-
dB
= |S
21
/
S
12
|
= |S
21e
/
S
12e
| (k-(k²-1)
1/2
)
3
2014-04-07
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