INFINEON BFR949T

BFR949T
NPN Silicon RF Transistor
3
For low noise, high-gain broadband amplifiers at
collector currents from 1 mA to 20 mA
f T = 9 GHz
F = 1.0 dB at 1 GHz
2
1
VPS05996
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type
Marking
BFR949T
RKs
Pin Configuration
1=B
2=E
Package
3=C
SC75
Maximum Ratings
Parameter
Symbol
Value
Unit
Collector-emitter voltage
VCEO
10
Collector-emitter voltage
VCES
20
Collector-base voltage
VCBO
20
Emitter-base voltage
VEBO
1.5
Collector current
IC
70
Base current
IB
7
Total power dissipation
Ptot
250
mW
Junction temperature
Tj
150
°C
Ambient temperature
TA
-65 ... 150
Storage temperature
Tstg
-65 ... 150
V
mA
TS 75°C 1)
Thermal Resistance
Junction - soldering point 2)
RthJS
300
K/W
1T is measured on the collector lead at the soldering point to the pcb
S
2For calculation of R
thJA please refer to Application Note Thermal Resistance
1
Oct-24-2001
BFR949T
Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ.
max.
10
-
-
VBEF
-
-
1.05
ICBO
-
-
100
nA
IEBO
-
-
0.1
µA
hFE
100
140
200
-
DC Characteristics
Collector-emitter breakdown voltage
V(BR)CEO
V
IC = 1 mA, IB = 0
Base-emitter forward voltage
IE = 25mA
Collector-base cutoff current
VCB = 10 V, IE = 0
Emitter-base cutoff current
VEB = 1 V, IC = 0
DC current gain
IC = 5 mA, VCE = 6 V
2
Oct-24-2001
BFR949T
Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min.
typ.
max.
fT
7
9
-
Ccb
-
0.31
0.4
Cce
-
0.2
-
Ceb
-
0.6
-
AC characteristics (verified by random sampling)
Transition frequency
GHz
IC = 15 mA, VCE = 6 V, f = 1 GHz
Collector-base capacitance
pF
VCB = 10 V, f = 1MHz
Collector-emitter capacitance
VCE = 10 V, f = 1MHz
Emitter-base capacitance
VEB = 0.5 V, f = 1MHz
Noise figure
F
IC = 5 mA, VCE = 6 V, ZS = ZSopt ,
f = 1 GHz
-
1
2.5
-
1.5
-
Gms
-
20
-
Gma
-
14
-
13
16
-
-
11
-
IC = 3 mA, VCE = 8 V, ZS = ZSopt ,
f = 1.8 GHz
Power gain, maximum stable 1)
dB
IC = 10 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt ,
f = 900 MHz
Power gain, maximum available 2)
IC = 10 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt ,
f = 1.8 GHz
|S21e|2
Transducer gain
IC = 15 mA, VCE = 6 V, ZS = ZL = 50 ,
f = 1 GHz
IC = 10 mA, VCE = 8 V, ZS = ZL = 50 ,
f = 1.8 GHz
1G
ms
2G
ma
= |S21 / S12 |
= |S21 / S12 | (k-(k2-1)1/2)
3
Oct-24-2001
BFR949T
SPICE Parameters (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax) :
Transistor Chip Data
IS =
4.36
fA
BF =
120
-
NF =
1.085
-
VAF =
30
V
IKF =
0.152
A
ISE =
1.86
pA
NE =
1.998
-
BR =
33.322
-
NR =
1.095
-
VAR =
41.889
V
IKR =
0.063
A
ISC =
3.68
pA
NC =
1.569
-
RB =
20.766
IRB =
72.2
µA
RBM =
0.823
RE =
0.101
RC =
0.849
CJE =
291
fF
VJE =
0.586
V
MJE =
0.456
TF =
8.77
ps
XTF =
0.00894
-
VTF =
0.198
V
ITF =
1.336
mA
PTF =
0
deg
CJC =
459
fF
VJC =
1.048
V
MJC =
0.334
-
XCJC =
0.217
-
TR =
1.39
ns
CJS =
0
fF
VJS =
0.75
V
MJS =
0
-
NK =
0.5
-
EG =
1.11
eV
.
-
FC =
0.924
-
TNOM
300
K
L1 =
0.762
nH
L2 =
0.706
nH
L3 =
0.382
nH
C1 =
62
fF
C2 =
84
fF
C3 =
180
fF
C4 =
7
fF
C5 =
40
fF
C6 =
48
fF
All parameters are ready to use, no scalling is necessary.
Extracted on behalf of Infineon Technologies AG by:
Institut für Mobil-und Satellitentechnik (IMST)
Package Equivalent Circuit:
C4
C1
L2
B
Transistor
Chip
B’
C’
L3
C
E’
C6
C2
L1
E
C3
C5
EHA07524
Valid up to 6GHz
For examples and ready to use parameters please contact your local Infineon Technologies distributor
or sales office to obtain a Infineon Technologies CD-ROM
or see Internet: http://www.infineon.com/silicondiscretes
4
Oct-24-2001
BFR949T
Total power dissipation Ptot = f (TS )
300
Ptot
mW
200
150
100
50
0
0
20
40
60
80
100
120 °C
150
TS
Permissible Pulse Load RthJS = f (tp)
Permissible Pulse Load
Ptotmax/PtotDC = f (tp )
10 2
RthJS
Ptotmax / PtotDC
10 3
10 2
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
10 1
D=0.5
0.2
0.1
0.05
0.02
0.01
0.005
0
10 1 -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
5
Oct-24-2001
BFR949T
Collector-base capacitance Ccb = f (VCB )
Transition frequency fT = f (IC )
f = 1MHz
VCE = Parameter
10
0.6
10V
8V
GHz
0.4
fT
Ccb
pF
5V
6
0.3
3V
4
0.2
2V
1V
2
0.1
0.7V
0
0
5
10
V
15
0
0
25
5
10
15
20
25
30
VCB
Power Gain Gma , Gms = f(IC )
f = 0.9GHz
f = 1.8GHz
VCE = Parameter
VCE = Parameter
10V
45
IC
Power Gain Gma , Gms = f(IC )
22
35 mA
16
10V
8V
8V
dB
5V
dB
5V
3V
16
G
G
3V
2V
8
2V
13
1V
4
1V
10
0.7V
0.7V
7
0
5
10
15
20
25
30
35 mA
0
0
45
IC
5
10
15
20
25
30
35 mA
45
IC
6
Oct-24-2001
BFR949T
Power Gain Gma , Gms = f(VCE):_____
|S21|2 = f(VCE):--------f = Parameter
25
IC=10mA
0.9GHz
dB
0.9GHz
G
1.8GHz
15
1.8GHz
10
5
0
0
3
V
6
12
VCE
Power Gain |S21 |2 = f(f)
Power Gain Gma , Gms = f(f)
VCE = Parameter
VCE = Parameter
45
30
IC=10mA
dB
IC =10mA
dB
|S21|2
35
G
30
20
25
15
20
15
10
10
10V
5V
5
5
10V
5V
1V
1V
0
0
1
2
3
4
5
GHz
0
0
7
f
1
2
3
4
5
GHz
7
f
7
Oct-24-2001