Product specification
Supersedes data of November 1992
File under discrete semiconductors, SC14
1995 Sep 13
Philips SemiconductorsProduct specification
NPN 7 GHz wideband transistor
FEATURES
• High power gain
• Low noise figure
• Gold metallization ensures
excellent reliability.
DESCRIPTION
The BFG197 is a silicon NPN
transistor in a 4-pin, dual-emitter
plastic SOT143 envelope. It is
primarily intended for wideband
applications in the GHz range, such
as satellite TV systems and repeater
amplifiers in fibre-optic systems.
PINNING
PINDESCRIPTION
BFG197 (Fig.1) Code: V5
1collector
2base
3emitter
4emitter
BFG197/X (Fig.1) Code: V13
1collector
2emitter
3base
4emitter
BFG197A/XR (Fig.2) Code: V35
1collector
2emitter
3base
4emitter
BFG197; BFG197/X;
BFG197/XR
handbook, 2 columns
12
Top view
Fig.1 SOT143.
handbook, 2 columns
34
MSB014
43
12
Top view
MSB035
Fig.2 SOT143XR.
QUICK REFERENCE DATA
SYMBOLPARAMETERCONDITIONSMIN.TYP.MAX.UNIT
V
CBO
V
CEO
I
C
P
tot
C
re
f
T
G
UM
Fnoise figureΓ
collector-base voltageopen emitter−−20V
collector-emitter voltageopen base−−10V
collector currentDC value−−100mA
total power dissipationup to Ts=75°C; note 1−−350mW
feedback capacitanceIC=ic= 0; VCB= 8 V; f = 1 MHz−0.85−pF
transition frequencyIC= 50 mA; VCE= 4 V; f = 2 GHz−7.5−GHz
maximum unilateral
power gain
IC= 50 mA; VCE=6V;
T
=25°C; f = 1 GHz
amb
I
= 50 mA; VCE=6V;
C
T
=25°C; f = 2 GHz
amb
= Γ
; IC= 15 mA; VCE=8V;
s
opt
T
=25°C; f = 1 GHz
amb
−16−dB
−10−dB
−1.7−dB
Note
1. T
is the temperature at the soldering point of the collector tab.
S
1995 Sep 132
Philips SemiconductorsProduct specification
NPN 7 GHz wideband transistor
BFG197; BFG197/X;
BFG197/XR
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC 134).
SYMBOLPARAMETERCONDITIONSMIN.MAX.UNIT
V
CBO
V
CEO
V
EBO
I
C
P
tot
T
stg
T
j
THERMAL CHARACTERISTICS
SYMBOLPARAMETERVALUEUNIT
R
th j-s
Note
1. T
S
collector-base voltageopen emitter−20V
collector-emitter voltageopen base−10V
emitter-base voltageopen collector−2.5V
collector currentDC value, continuous−100mA
total power dissipationup to Ts=75°C; note 1−350mW
storage temperature range−65+150°C
junction operating temperature−175°C
from junction to soldering point; note 1290K/W
is the temperature at the soldering point of the collector tab.
CHARACTERISTICS
=25°C unless otherwise specified.
T
j
SYMBOLPARAMETERCONDITIONSMIN.TYP.MAX.UNIT
I
CBO
h
FE
C
c
C
e
C
re
f
T
G
UM
Fnoise figureΓ
d
2
collector leakage currentIE= 0; VCB=5V−−100nA
DC current gainIC= 50 mA; VCE=5V40110−
collector capacitanceIE=ie= 0; VCB= 8 V; f = 1 MHz−1.5−pF
emitter capacitanceIC=ic= 0; VEB= 0.5 V; f = 1 MHz−3.3−pF
feedback capacitanceIC=ic= 0; VCB=8V; f=1MHz−0.85−pF
transition frequencyIC= 50 mA; VCE= 4 V; f = 2 GHz−7.5−GHz
maximum unilateral power gain
(note 1)
second order intermodulation
IC= 50 mA; VCE=6V;
T
=25°C; f = 1 GHz
amb
= 50 mA; VCE=6V;
I
C
T
=25°C; f = 2 GHz
amb
= Γ
; IC= 15 mA; VCE=8V;
s
opt
T
=25°C; f = 1 GHz
amb
= Γ
Γ
T
; IC= 50 mA; VCE=6V;
s
opt
=25°C; f = 2 GHz
amb
−16−dB
−10−dB
−1.7−dB
−2.3−dB
VCE=6V;Vo= 50 dBmV;−−51−dB
distortion
Note
1. G
is the maximum unilateral power gain, assuming S12 is zero and
1. These parameters have not been extracted,
the default values are shown.
1995 Sep 1311
Philips SemiconductorsProduct specification
NPN 7 GHz wideband transistor
PACKAGE OUTLINES
handbook, full pagewidth
10
max
0.75
0.60
o
max
1.1
30
max
0.150
0.090
0.1
max
10
max
o
BFG197; BFG197/X;
BFG197/XR
3.0
2.8
1.9
43
o
1
2
0.88
0
0.1
TOP VIEW
0.48
1.7
0
0.1
B
A
1.4
1.2
M0.1AB
2.5
max
0.2
MBC845
M
AB
Dimensions in mm.
handbook, full pagewidth
0.40
0.25
10
max
Fig.23 SOT143.
3.0
0.150
0.090
30
max
o
0.1
max
10
max
o
0.48
0.38
o
1.1
max
2.8
1.9
34
2
1
0.88
0.78
1.7
M0.1B
TOP VIEW
B
A
1.4
1.2
MBC844
2.5
max
0.2
A
M
Dimensions in mm.
Fig.24 SOT143R.
1995 Sep 1312
Philips SemiconductorsProduct specification
NPN 7 GHz wideband transistor
BFG197; BFG197/X;
BFG197/XR
DEFINITIONS
Data sheet status
Objective specificationThis data sheet contains target or goal specifications for product development.
Preliminary specificationThis data sheet contains preliminary data; supplementary data may be published later.
Product specificationThis data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1995 Sep 1313
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