Semiconductor Group
1
Dec-13-1996
BFR 194
PNP Silicon RF Transistor
For low distortion broadband amplifiers in
antenna and telecommunications systems up
to 1.5 GHz at collector currents from 20mA
to 80mA
Complementary type: BFR 106 (NPN)
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type
Marking Ordering Code
Pin Configuration
Package
BFR 194
RKs
Q62702-F1346
1 = B
2 = E
3 = C
SOT-23
Maximum Ratings
Parameter
Symbol
Values
Unit
Collector-emitter voltage
V
CEO
15
V
Collector-base voltage
V
CBO
20
Emitter-base voltage
V
EBO
3
Collector current
I
C
100
mA
Base current
I
B
10
Total power dissipation
T
S
73 C
P
tot
700
mW
Junction temperature
T
j
150
C
Ambient temperature
T
A
- 65 ... + 150
Storage temperature
T
stg
- 65 ... + 150
Thermal Resistance
Junction - soldering point
1)
R
thJS
110
K/W
1)
T
S
is measured on the collector lead at the soldering point to the pcb.
Semiconductor Group
2
Dec-13-1996
BFR 194
Electrical Characteristics at
T
A
= 25C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min.
typ.
max.
DC Characteristics
Collector-emitter breakdown voltage
I
C
= 1 mA,
I
B
= 0
V
(BR)CEO
15
-
-
V
Collector-base cutoff current
V
CB
= 10 V,
I
E
= 0
I
CBO
-
-
100
nA
Emitter-base cutoff current
V
EB
= 2 V,
I
C
= 0
I
EBO
-
-
1
A
DC current gain
I
C
= 70 mA,
V
CE
= 8 V
h
FE
15
50
-
-
Semiconductor Group
3
Dec-13-1996
BFR 194
Electrical Characteristics at
T
A
= 25C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min.
typ.
max.
AC Characteristics
Transition frequency
I
C
= 70 mA,
V
CE
= 8 V,
f = 500 MHz
f
T
3.5
5
-
GHz
Collector-base capacitance
V
CB
= 10 V,
f = 1 MHz
C
cb
-
1.47
2
pF
Collector-emitter capacitance
V
CE
= 10 V,
f = 1 MHz
C
ce
-
0.28
-
Emitter-base capacitance
V
EB
= 0.5 V,
f = 1 MHz
C
eb
-
4.4
-
Noise figure
I
C
= 20 mA,
V
CE
= 8 V,
Z
S
=
Z
Sopt
f = 900 MHz
f = 1.8 GHz
F
-
-
4.7
2.8
-
-
dB
Power gain
2)
I
C
= 70 mA,
V
CE
= 8 V,
Z
S
=
Z
Sopt
Z
L
=
Z
Lopt
f = 900 MHz
f = 1.8 GHz
G
ma
-
-
5.5
10
-
-
Transducer gain
I
C
= 70 mA,
V
CE
= 8 V,
Z
S
=
Z
L
= 50
f = 900 MHz
f = 1.8 MHz
|
S
21e
|
2
-
-
3
8
-
-
2)
G
ma
= |
S
21
/
S
12
| (k-(k
2
-1)
1/2
)
Semiconductor Group
4
Dec-13-1996
BFR 194
SPICE Parameters (Gummel-Poon Model, Berkeley-SPICE 2G.6 Syntax) :
Transistor Chip Data
IS =
4.574
fA
VAF =
9.1007
V
NE =
0.841
-
VAR =
1.7871
V
NC =
1.6
-
RBM =
4.1356
CJE =
17.699
fF
TF =
53.11
ps
ITF =
0.010453
mA
VJC =
0.71631
V
TR =
0.97481
ns
MJS =
0
-
XTI =
3
-
BF =
111.78
-
IKF =
0.84785
A
BR =
92.296
-
IKR =
0.012843
A
RB =
0.75304
RE =
0.15908
VJE =
0.84843
V
XTF =
0.65766
-
PTF =
0
deg
MJC =
0.40003
-
CJS =
0
fF
XTB =
0
-
FC =
0.90755
-
NF =
0.66503
-
ISE =
21.629
fA
NR =
0.43618
-
ISC =
0.0078447 fA
IRB =
0.061674
mA
RC =
0.10833
MJE =
0.48212
-
VTF =
0.10323
V
CJC =
3585.6
fF
XCJC =
0.063742
-
VJS =
0.75
V
EG =
1.11
eV
TNOM
300
K
All parameters are ready to use, no scalling is necessary.
Extracted on behalf of SIEMENS Small Signal Semiconductors by:
Institut fr Mobil-und Satellitenfunktechnik (IMST)
1996 SIEMENS AG
Package Equivalent Circuit:
LBI =
0.85
nH
LBO =
0.51
nH
LEI =
0.69
nH
LEO =
0.61
nH
LCI =
0
nH
LCO =
0.49
nH
CBE =
73
fF
CCB =
84
fF
CCE =
165
fF
Valid up to 6 GHz
For examples and ready to use parameters please contact your local Siemens distributor or sales office to
obtain a Siemens CD-ROM or see Internet: http://www.siemens.de/Semiconductor/products/35/35.htm
Semiconductor Group
5
Dec-13-1996
BFR 194
Total power dissipation
P
tot
=
f (T
A
*,
T
S
)
* Package mounted on epoxy
0
20
40
60
80
100
120 C 150
T
A
,T
S
0
100
200
300
400
500
600
mW
800
P
tot
T
S
T
A
Permissible Pulse Load
R
thJS
=
f (t
p
)
10
-7
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
s
t
p
0
10
1
10
2
10
3
10
K/W
R
thJS
D = 0
0.005
0.01
0.002
0.05
0.1
0.2
0.5
Permissible Pulse Load
P
totmax
/
P
totDC
=
f (t
p
)
10
-7
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
s
t
p
0
10
1
10
2
10
-
P
totmax
/
P
totDC
D = 0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
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