Infineon BFR93A Schematic [ru]
NPN Silicon RF Transistor
BFR 93A
For low-noise, high-gain broadband amplifiers at
collector currents from 2 mA to 30 mA
1
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type Marking Pin Configuration Package
BFR 93A R2s 1 = B 2 = E 3 = C SOT-23
Maximum Ratings
3
Parameter
Symbol UnitValue
2
VPS05161
Collector-emitter voltage 12V
Collector-emitter voltage V
Collector-base voltage 20V
Emitter-base voltage
Collector current I
Base current I
Total power dissipation, TS 63 °C
1)
Junction temperature T
Ambient temperature T
Storage temperature T
Thermal Resistance
Junction - soldering point
C
B
P
R
CEO
CES
CBO
EBO
tot
j
A
stg
thJS
20
2V
50 mA
6
300 mW
150 °C
-65 ... 150
-65 ... 150
290
V
K/W
1
T
is measured on the collector lead at the soldering point to the pcb
S
Oct-13-19991
Electrical Characteristics at TA = 25°C, unless otherwise specified.
BFR 93A
Parameter
DC characteristics
Collector-emitter breakdown voltage
= 1 mA, IB = 0
I
C
Collector-emitter cutoff current
V
= 20 V, VBE = 0
CE
Collector-base cutoff current
V
= 10 V, IE = 0
CB
Emitter-base cutoff current
= 2 V, IC = 0
V
EB
DC current gain
= 30 mA, VCE = 8 V
I
C
Symbol Values Unit
min. typ. max.
V
(BR)CEO
I
CES
I
CBO
I
EBO
h
FE
12 - - V
- - 100 µA
- - 100 nA
- - 10 µA
50 100 200 -
Oct-13-19992
Electrical Characteristics at TA = 25°C, unless otherwise specified.
BFR 93A
Parameter
AC characteristics (verified by random sampling)
Transition frequency
= 30 mA, VCE = 8 V, f = 500 MHz
I
C
Collector-base capacitance
= 10 V, f = 1 MHz
V
CB
Collector-emitter capacitance
= 10 V, f = 1 MHz
V
CE
Emitter-base capacitance
= 0.5 V, f = 1 MHz
V
EB
Noise figure
= 5 mA, VCE = 8 V, ZS = Z
I
C
Sopt
,
f = 900 MHz
f = 1.8 GHz
Symbol Values Unit
min. typ. max.
f
C
C
C
F
T
cb
ce
eb
4.5 6 - GHz
- 0.58 0.9 pF
- 0.23 -
- 1.7 -
-
-
2
3.3
dB
-
-
Power gain, maximum available 1)
= 30 mA, VCE = 8 V, ZS = Z
I
C
Sopt
, ZL = Z
f = 900 MHz
f = 1.8 GHz
Transducer gain
= 30 mA, VCE = 8 V, ZS = ZL = 50 ,
I
C
f = 900 MHz
f = 1.8 GHz
Lopt
,
G
|S
ma
21e
-
-
2
|
-
-
13.5
8.5
12
6.5
-
-
-
-
1
G
= |S21 / S12| (k-(k2-1)
ma
1/2
)
Oct-13-19993
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