
Philips Semiconductors Product specification
NPN 9 GHz wideband transistors
FEATURES
• High power gain
• Low noise figure
• High transition frequency
• Gold metallization ensures
excellent reliability.
APPLICATIONS
RF front end applications in the GHz
range, such as analog and digital
cellular telephones, cordless
telephones (CT2, CT3, PCN, DECT,
etc.), radar detectors, pagers,
satellite television tuners (SATV).
DESCRIPTION
NPN silicon planar epitaxial
transistors in 4-pin dual-emitter
SOT343N and SOT343R plastic
packages.
MARKING
TYPE NUMBER CODE
BFG505W N0
BFG505W/X N1
BFG505W/XR P0
PINNING
PIN DESCRIPTION
BFG505W (see Fig.1)
1 collector
2 base
3 emitter
4 emitter
BFG505W/X (see Fig.1)
1 collector
2 emitter
3 base
4 emitter
BFG505W/XR (see Fig.2)
1 collector
2 emitter
3 base
4 emitter
BFG505W; BFG505W/X;
BFG505W/XR
age
Top view
Fig.1 SOT343N.
lfpage
21
Top view
Fig.2 SOT343R.
34
21
MBK523
43
MSB842
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
CBO
V
CES
I
C
P
tot
h
FE
C
re
f
T
G
UM
2
|s
|
21
F noise figure Γ
collector-base voltage open emitter −−20 V
collector-emitter voltage RBE=0 −−15 V
collector current (DC) −−18 mA
total power dissipation Ts≤ 85 °C −−500 mW
DC current gain IC= 5 mA; VCE= 6 V 60 120 250
feedback capacitance IC= 0; VCB= 6 V; f = 1 MHz − 0.2 − pF
transition frequency IC= 5 mA; VCE= 6 V; f = 1 GHz; T
maximum unilateral
power gain
IC= 5 mA; VCE= 6 V; f = 900 MHz; T
I
= 5 mA; VCE= 6 V; f = 2 GHz; T
C
insertion power gain IC= 5 mA; VCE= 6 V; f = 900 MHz; T
; IC= 1.25 mA; VCE= 6 V; f = 2 GHz − 1.9 − dB
s=Γopt
=25°C − 9 − GHz
amb
=25°C − 19 − dB
amb
=25°C12−dB
amb
=25°C15 16 − dB
amb
2000 Oct 30 2

Philips Semiconductors Product specification
NPN 9 GHz wideband transistors
BFG505W; BFG505W/X;
BFG505W/XR
CHARACTERISTICS
Tj=25°C unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
(BR)CBO
V
(BR)CES
V
(BR)EBO
I
CBO
h
FE
f
T
C
c
C
e
C
re
G
UM
2
|s
|
21
F noise figure Γ
P
L1
ITO third order intercept point note 2 − 10 − dBm
collector-base breakdown voltage IC= 2.5 µA; IE=0 20 −−V
collector-emitter breakdown voltage IC=10µA; RBE=0 15 −−V
emitter-base breakdown voltage IE= 2.5 µA; IC= 0 2.5 −−V
collector leakage current VCB=6V; IE=0 −−50 nA
DC current gain IC= 5 mA; VCE= 6 V see Fig.4 60 120 250
transition frequency IC= 5 mA; VCE= 6 V; f = 1 GHz;
T
=25°C; see Fig.6
amb
− 9 − GHz
collector capacitance IE=ie= 0; VCB=6V; f=1MHz − 0.3 − pF
emitter capacitance IC=ic= 0; VEB= 0.5 V; f = 1 MHz − 0.4 − pF
feedback capacitance IC= 0; VCB= 6 V; f = 1 MHz;
− 0.2 − pF
see Fig.5
maximum unilateral power gain;
note 1
insertion power gain IC= 5 mA; VCE= 6 V; f = 900 MHz;
IC= 5 mA; VCE= 6 V; f = 900 MHz;
T
=25°C
amb
I
= 5 mA; VCE= 6 V; f = 2 GHz;
C
T
=25°C
amb
T
=25°C
amb
; IC= 1.25 mA; VCE=6V;
s=Γopt
− 19 − dB
− 12 − dB
15 16 − dB
− 1.2 1.7 dB
f = 900 MHz
Γ
; IC= 5 mA; VCE=6V;
s=Γopt
− 1.6 2.1 dB
f = 900 MHz
Γ
s=Γopt
; IC= 1.25 mA; VCE=6V;
− 1.9 − dB
f = 2 GHz
output power at 1 dB gain
compression
IC= 5 mA; VCE= 6 V; f = 900 MHz;
RL=50Ω; T
amb
=25°C
− 4 − dBm
Notes
1. G
2. IC= 5 mA; VCE=6V; RL=50Ω; T
is the maximum unilateral power gain, assuming s12 is zero.
UM
=25°C;
amb
fp= 900 MHz; fq= 902 MHz;
measured at 2fp− fq= 898 MHz and 2fq− fp= 904 MHz.
2000 Oct 30 4
2
s
G
UM
10
-------------------------------------------------------1s
21
2
–()1s
11
–()
dB.log=
2
22

Philips Semiconductors Product specification
NPN 9 GHz wideband transistors
BFG505W; BFG505W/X;
BFG505W/XR
DATA SHEET STATUS
DATA SHEET STATUS
Objective specification Development This data sheet contains the design target or goal specifications for
Preliminary specification Qualification This datasheet contains preliminary data, andsupplementarydata will be
Product specification Production This data sheet contains final specifications. Philips Semiconductors
Note
1. Please consult the most recently issued data sheet before initiating or completing a design.
DEFINITIONS
Short-form specification The data in a short-form
specification is extracted from a full data sheet with the
same type number and title. For detailed information see
the relevant data sheet or data handbook.
Limiting valuesdefinition Limitingvalues givenare in
accordance with the Absolute Maximum Rating System
(IEC 60134). 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
atthese orat anyother conditionsabovethose givenin the
Characteristics sectionsof the specification isnot implied.
Exposure to limiting values for extended periods may
affect device reliability.
Application information Applications that are
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
norepresentation orwarrantythat suchapplications willbe
suitable for the specified use without further testing or
modification.
PRODUCT
STATUS
DEFINITIONS
product development. Specification may change in any manner without
notice.
published at a later date. Philips Semiconductors reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
reserves the right to make changes at any time without notice in order to
improve design and supply the best possible product.
DISCLAIMERS
Life support applications These products are not
designed for use in life support appliances, devices, or
systems where malfunction of these products can
reasonably beexpected toresult inpersonal injury.Philips
Semiconductorscustomers usingorselling theseproducts
for use in such applications do so at their own risk and
agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Right to make changes Philips Semiconductors
reserves the right to make changes, without notice, in the
products, including circuits, standard cells, and/or
software, described or contained herein in order to
improve design and/or performance. Philips
Semiconductors assumes no responsibility or liability for
theuse ofany oftheseproducts, conveysno licenceortitle
under any patent, copyright, or mask work right to these
products,and makesno representationsor warrantiesthat
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
(1)
2000 Oct 30 14

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2000
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Printed in The Netherlands 613516/04/pp16 Date of release: 2000Oct 30 Document order number: 9397 750 07541