INFINEON BFG19

BFG 19S
NPN Silicon RF Transistor
For low noise, low distortion broadband
4
amplifiers in antenna and
telecommunication systems up to 1.5 GHz
at collector currents from 10 mA to 70 mA
3
2
1
VPS05163
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type
Marking
BFG 19S
BFG19S
Pin Configuration
1=E
2=B
3=E
Package
4=C
SOT-223
Maximum Ratings
Parameter
Symbol
Collector-emitter voltage
VCEO
15
Collector-emitter voltage
VCES
20
Collector-base voltage
VCBO
20
Emitter-base voltage
VEBO
3
Collector current
IC
100
Base current
IB
12
Total power dissipation, TS 75 °C 1)
Ptot
Junction temperature
Value
Unit
V
mA
1
W
Tj
150
°C
Ambient temperature
TA
-65 ... 150
Storage temperature
Tstg
-65 ... 150
Thermal Resistance
Junction - soldering point
RthJS
75
K/W
1T is measured on the collector lead at the soldering point to the pcb
S
1
Oct-26-1999
BFG 19S
Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min.
typ.
max.
15
-
-
V
ICES
-
-
100
µA
ICBO
-
-
100
nA
IEBO
-
-
10
µA
hFE
40
100
220
-
DC characteristics
Collector-emitter breakdown voltage
V(BR)CEO
IC = 1 mA, IB = 0
Collector-emitter cutoff current
VCE = 20 V, VBE = 0
Collector-base cutoff current
VCB = 10 V, IE = 0
Emitter-base cutoff current
VEB = 2 V, IC = 0
DC current gain
IC = 70 mA, VCE = 8 V
2
Oct-26-1999
BFG 19S
Electrical Characteristics at TA = 25°C, unless otherwise specified.
Symbol
Values
Parameter
Unit
min.
typ.
max.
fT
4
5.5
-
Ccb
-
0.85
1.4
Cce
-
0.4
-
Ceb
-
4.6
-
AC characteristics (verified by random sampling)
Transition frequency
GHz
IC = 70 mA, VCE = 8 V, f = 500 MHz
Collector-base capacitance
pF
VCB = 10 V, f = 1 MHz
Collector-emitter capacitance
VCE = 10 V, f = 1 MHz
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz
Noise figure
dB
F
IC = 20 mA, VCE = 8 V, ZS = ZSopt ,
f = 900 MHz
-
2.5
-
f = 1.8 GHz
-
4
-
f = 900 MHz
-
13.5
-
f = 1.8 GHz
-
8
-
-
11
-
-
5
-
-
35
-
Power gain, maximum available F)
Gma
IC = 70 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt ,
|S21e|2
Transducer gain
IC = 30 mA, VCE = 8 V, ZS = ZL = 50 ,
f = 900 MHz
f = 1.8 GHz
Third order intercept point
IP3
IC = 70 mA, VCE = 8 V, ZS = ZL= 50 ,
f = 900 MHz
1G
ma
dBm
= |S21 / S12 | (k-(k2-1)1/2)
3
Oct-26-1999
BFG 19S
Total power dissipation Ptot = f (TA *, TS )
* Package mounted on epoxy
1200
mW
1000
TS
P tot
900
800
700
600
500
400
TA
300
200
100
0
0
20
40
60
80
100
120 °C
150
TA,TS
Permissible Pulse Load RthJS = f (tp )
Permissible Pulse Load
Ptotmax/P totDC = f (tp)
10 2
Ptotmax / PtotDC
10 2
RthJS
K/W
10 1
-
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
10 1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
10 0 -7
10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
10 0 -7
10
0
tp
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
tp
4
Oct-26-1999
BFG 19S
Collector-base capacitance Ccb = f (VCB )
Transition frequency f T = f (I C)
f = 1MHz
V CE = Parameter
6.0
2.6
pF
GHz
5V
2.2
2.0
2V
4.5
fT
1.8
C cb
3V
5.0
1.6
1.4
4.0
3.5
1.2
1.0
3.0
0.8
2.5
0.6
1V
2.0
0.4
0.0
0
0.7V
1.5
0.2
4
8
12
16
V
1.0
0
22
20
40
60
80
mA
VCB
IC
Power Gain Gma , Gms = f(IC )
Power Gain Gma, Gms = f(I C)
f = 0.9GHz
f = 1.8GHz
VCE = Parameter
VCE = Parameter
14
10
10V
5V
dB
120
10V
dB
3V
5V
2V
3V
6
2V
G
G
10
8
4
1V
1V
6
2
4
0
0.7V
0.7V
2
0
20
40
60
80
mA
-2
0
120
IC
20
40
60
80
mA
120
IC
5
Oct-26-1999
BFG 19S
Power Gain Gma , Gms = f(VCE):_____
Intermodulation Intercept Point IP3=f(IC)
(3rd order, Output, ZS=ZL=50)
|S21|2 = f(VCE):---------
VCE = Parameter, f = 900MHz
f = Parameter
14
40
0.9GHz
IC=70mA
dB
8V
dBm
0.9GHz
5V
IP 3
10
G
1.8GHz
30
3V
8
25
6
1.8GHz
2V
20
4
1V
15
2
0
0
2
4
6
V
8
10
0
12
20
40
60
mA
80
VCE
IC
Power Gain |S21|2= f(f)
Power Gain Gma , Gms = f(f)
V CE = Parameter
VCE = Parameter
36
120
32
IC=70mA
dB
dB
IC =70mA
24
28
20
G
S21
24
16
20
12
16
8
12
4
10V
8
0
10V
4
0
0.0
0.5
1.0
1.5
2.0
2.5
2V
1V
0.7V
GHz
3.5
2V
1V
-4
-8
0.0
f
0.7V
0.5
1.0
1.5
2.0
2.5
GHz
3.5
f
6
Oct-26-1999