PHILIPS BFS17A

DISCRETE SEMICONDUCTORS
DATA SHEET
BFS17A
NPN 3 GHz wideband transistor
Product specification
File under Discrete Semiconductors, SC14
September1995
Philips Semiconductors
Product specification
NPN 3 GHz wideband transistor
BFS17A
DESCRIPTION
NPN transistor in a plastic SOT23 package.
3
handbook, halfpage
APPLICATIONS
• It is intended for RF applications such as oscillators
in TV tuners.
1
2
Top view
PINNING
PIN
MSB003
DESCRIPTION
1
base
2
emitter
3
collector
Marking code: E2p.
Fig.1 SOT23.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
VCBO
collector-base voltage
open emitter
−
25
V
VCEO
collector-emitter voltage
open base
−
15
V
IC
DC collector current
−
25
mA
Ptot
total power dissipation
up to Ts = 70 °C; note 1
−
300
mW
fT
transition frequency
IC = 25 mA; VCE = 5 V; f = 500 MHz;
Tamb = 25 °C
2.8
−
GHz
GUM
maximum unilateral power gain
IC = 14 mA; VCE = 10 V; f = 800 MHz
13.5
−
dB
F
noise figure
IC = 2 mA; VCE = 5 V; f = 800 MHz;
Tamb = 25 °C
2.5
−
dB
VO
output voltage
dim = −60 dB; IC = 14 mA; VCE = 10 V;
RL = 75 Ω; Tamb = 25 °C;
f(p+q−r) = 793.25 MHz
150
−
mV
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCBO
collector-base voltage
open emitter
−
25
V
VCEO
collector-emitter voltage
open base
−
15
V
VEBO
emitter-base voltage
open collector
−
2.5
V
IC
DC collector current
−
25
mA
ICM
peak collector current
−
50
mA
Ptot
total power dissipation
−
300
mW
Tstg
storage temperature
−65
+150
°C
Tj
junction temperature
−
150
°C
up to Ts = 70 °C; note 1
Note to the Quick reference data and the Limiting values
1. Ts is the temperature at the soldering point of the collector pin.
September1995
2
Philips Semiconductors
Product specification
NPN 3 GHz wideband transistor
BFS17A
THERMAL CHARACTERISTICS
SYMBOL
Rth j-s
PARAMETER
CONDITIONS
thermal resistance from junction to soldering point
VALUE
UNIT
260
K/W
up to Ts = 70 °C; note 1
Note
1. Ts is the temperature at the soldering point of the collector pin.
CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
ICBO
collector cut-off current
hFE
DC current gain
CONDITIONS
IE = 0; VCB = 10 V
MIN.
−
TYP.
−
MAX.
50
IC = 2 mA; VCE = 1 V; Tamb = 25 °C
25
90
−
IC = 25 mA; VCE = 1 V; Tamb = 25 °C
25
90
−
UNIT
nA
fT
transition frequency
IC = 25 mA; VCE = 5 V; f = 500 MHz;
Tamb = 25 °C
−
2.8
−
GHz
Cc
collector capacitance
IE = 0; VCB = 10 V; f = 1 MHz;
Tamb = 25 °C
−
0.7
−
pF
Ce
emitter capacitance
IC = 0; VEB = 0.5 V; f = 1 MHz
−
1.25
−
pF
Cre
feedback capacitance
IC = 0; VCE = 5 V; f = 1 MHz
−
0.6
−
pF
GUM
maximum unilateral power gain
note 1
IC = 14 mA; VCE = 10 V; f = 800 MHz
−
13.5
−
dB
F
noise figure
IC = 2 mA; VCE = 5 V; ZS = 60 Ω;
f = 800 MHz; Tamb = 25 °C
−
2.5
−
dB
VO
output voltage
note 2
−
150
−
mV
Notes
2
S 21
1. GUM is the maximum unilateral power gain, assuming S12 is zero and G UM = 10 log -------------------------------------------------------------- dB.
2 
2

 1 – S 11   1 – S 22 
2. dim = −60 dB (DIN 45004B); IC = 14 mA; VCE = 10 V; RL = 75 Ω; Tamb = 25 °C;
Vp = VO; fp = 795.25 MHz;
Vq = VO −6 dB; fq = 803.25 MHz;
Vr = VO −6 dB; fr = 805.25 MHz;
measured at f(p+q−r) = 793.25 MHz.
September1995
3
Philips Semiconductors
Product specification
NPN 3 GHz wideband transistor
BFS17A
1.5 nF
handbook, full pagewidth
1.5 nF
VCC
VBB
L3
10 kΩ
L2
1 nF
1 nF
75 Ω
input
L1
1 nF
270 Ω
75 Ω
output
DUT
18 Ω
3.3 pF
0.68 pF
MBB251
L1 = L3 = 5 µH Ferroxcube choke.
L2 = 3 turns 0.4 mm copper wire; winding pitch 1 mm; internal diameter 3 mm.
Fig.2 Intermodulation distortion and second order intermodulation distortion test circuit.
MEA395
100
MEA903
1
handbook, halfpage
handbook, halfpage
hFE
Cc
(pF)
50
0.5
0
0
0
10
20
IC (mA)
30
0
VCE = 1 V; Tamb = 25 °C.
Fig.3
September1995
4
8
12
VCB (V)
16
IE = 0; f = 1 MHz; Tamb = 25 °C.
DC current gain as a function of
collector current.
Fig.4
4
Collector capacitance as a function of
collector-base voltage.
Philips Semiconductors
Product specification
NPN 3 GHz wideband transistor
BFS17A
MEA904
4
MEA902
5
handbook, halfpage
handbook, halfpage
fT
(GHz)
F
(dB)
4
3
3
2
2
1
1
0
0
0
20
IC (mA)
0
40
VCE = 5 V; f = 500 MHz; Tamb = 25 °C.
Fig.5
IC (mA)
20
VCE = 5 V; Zs = 60 Ω; f = 800 MHz; Tamb = 25 °C.
Transition frequency as a function of
collector current.
September1995
10
Fig.6
5
Minimum noise figure as a function of
collector current.
Philips Semiconductors
Product specification
NPN 3 GHz wideband transistor
BFS17A
PACKAGE OUTLINE
3.0
2.8
handbook, full pagewidth
0.150
0.090
0.55
0.45
B
1.9
0.95
2
1
0.1
max
10 o
max
0.2 M A
A
1.4
1.2
2.5
max
10 o
max
3
1.1
max
30 o
max
0.48
0.38
0.1 M A B
MBC846
TOP VIEW
Dimensions in mm.
Fig.7 SOT23.
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This 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.
September1995
6