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 BFP 181W
NPN Silicon RF Transistor For low noise, high-gain broadband amplifier at collector currents from 0.5 mA to 12 mA fT = 8 GHz F = 1.45 dB at 900 MHz
3 4
Junction temperature Ambient temperature Storage temperature
Thermal Resistance Junction - soldering point RthJS
1T is measured on the collector lead at the soldering point to the pcb S

2 1
VPS05605
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type BFP 181W
Maximum Ratings Parameter
Marking RFs 1=E
Pin Configuration 2=C 3=E 4=B
Package SOT-343
Unit V
Symbol VCEO VCES VCBO VEBO IC IB 91 C 1) Ptot Tj TA Tstg
Value 12 20 20 2 20 2 175 150 -65 ... 150 -65 ... 150
Collector-emitter voltage Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Base current Total power dissipation, TS
mA mW C
340
K/W
1
Oct-12-1999
BFP 181W
Electrical Characteristics at TA = 25C, unless otherwise specified. Parameter DC characteristics Collector-emitter breakdown voltage IC = 1 mA, IB = 0 Collector-emitter cutoff current VCE = 20 V, VBE = 0 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 = 8 V hFE 50 100 200 IEBO 1 A ICBO 100 nA ICES 100 A V(BR)CEO 12 V Symbol min. Values typ. max. Unit
2
Oct-12-1999
BFP 181W
Electrical Characteristics at TA = 25C, unless otherwise specified. Parameter Symbol Values min. AC characteristics (verified by random sampling) Transition frequency IC = 10 mA, VCE = 8 V, f = 500 MHz Collector-base capacitance VCB = 10 V, f = 1 MHz Collector-emitter capacitance VCE = 10 V, f = 1 MHz Emitter-base capacitance VEB = 0.5 V, f = 1 MHz Noise figure IC = 2 mA, VCE = 8 V, ZS = ZSopt , f = 900 MHz f = 1.8 GHz Power gain, maximum stable F) IC = 5 mA, VCE = 8 V, ZS = ZSopt , ZL = ZLopt , f = 900 MHz f = 1.8 GHz Transducer gain IC = 5 mA, VCE = 8 V, ZS = ZL = 50 , f = 900 MHz IC = 5 mA, VCE = 8 V 16.5 11.5 |S21e|2 20 16.5 Gms 1.45 1.8 F Ceb 0.32 Cce 0.27 Ccb 0.24 0.4 fT 6 8 typ. max.
Unit
GHz pF
dB
1G ms
= |S21 / S12|
3
Oct-12-1999
BFP 181W
SPICE Parameters (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax) : Transistor Chip Data
IS = VAF = NE = VAR = NC = RBM = CJE = TF = ITF = VJC = TR = MJS = XTI =
0.0010519 fA 22.403 1.7631 5.1127 1.6528 6.6315 1.8168 17.028 1.0549 1.1633 2.7449 0 3 V V fF ps mA V ns -
BF = IKF = BR = IKR = RB = RE = VJE = XTF = PTF = MJC = CJS = XTB = FC =
96.461 0.12146 16.504 0.24951 9.9037 2.1372 0.73155 0.33814 0 0.30013 0 0 0.99768
A A
NF = ISE = NR = ISC = IRB = RC = MJE = VTF = CJC = XCJC = VJS = EG = TNOM
0.90617 12.603 0.87757 0.01195 0.69278 2.2171 0.43619 0.12571 319.69 0.082903 0.75 1.11 300
fA fA mA -
V deg fF -
V fF V eV K
All parameters are ready to use, no scalling is necessary. Extracted on behalf of SIEMENS Small Signal Semiconductors by: Institut fur Mobil-und Satellitentechnik (IMST) 1996 SIEMENS AG
Package Equivalent Circuit:
L BI = L BO = L EI = L EO = L CI = L CO = C BE = C CB = C CE =
0.43 0.47 0.26 0.12 0.06 0.36 68 46 232
nH nH nH nH nH nH fF fF fF
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/products/discrete/index.htm
4
Oct-12-1999

BFP 181W
Total power dissipation Ptot = f (TA *, TS )
* Package mounted on epoxy
200
mW
160 140
TS
P tot
120 100 80 60 40 20 0 0 120 C
TA
20
40
60
80
100
150
TA,TS
Permissible Pulse Load RthJS = f (tp )
Permissible Pulse Load Ptotmax/P totDC = f (tp)
10 3
10 2
K/W
Ptotmax / PtotDC
-
10 2
10 1
0.5 0.2 0.1 0.05 0.02 0.01 0.005 D=0
D=0 0.005 0.01 0.02 0.05 0.1 0.2 0.5
RthJS
10 1 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
10 0 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
tp
tp
5
Oct-12-1999
BFP 181W
Collector-base capacitance Ccb = f (VCB ) f = 1MHz
Transition frequency f T = f (I C)
V CE = Parameter
0.5
10
GHz
pF
8 7
10V 8V 5V
Ccb
0.3
fT
6 5
3V 2V
0.2
4 3
1V
0.1
2 1
0.7V
0.0 0
4
8
12
16
V
24
0 0
2
4
6
8
10
12
14 mA
17
VCB
IC
Power Gain Gma , Gms = f(IC )
f = 0.9GHz VCE = Parameter
24
dB 10V 3V 2V
Power Gain Gma, Gms = f(I C)
f = 1.8GHz VCE = Parameter
20
dB
20 18 16
16 14
10V 5V 3V
G
G
14 12 10 8 6 4 2 0 0 2 4 6 8 10 12 14 mA 17
1V 0.7V
12
2V
10 8 6 4 2 0 0 14 mA
1V
0.7V
2
4
6
8
10
12
17
IC
IC
6
Oct-12-1999
BFP 181W
Power Gain Gma , Gms = f(VCE):_____
|S21|2 = f(VCE):--------f = Parameter
24
dB
Intermodulation Intercept Point IP3=f(IC)
(3rd order, Output, ZS=ZL=50) VCE = Parameter, f = 900MHz
22
dBm 8V
IC=5mA
0.9GHz
20 18 16
18 16
5V
1.8GHz 0.9GHz
14
IP 3
G
12 10
2V
3V
14 12 10 8 6 4 2 0 0 2 4 6 8
V 1.8GHz
8 6 4 2 0 -2 -4 12 -6 1 3 5 7 9 11 13
mA 1V
17
VCE
IC
Power Gain Gma , Gms = f(f)
VCE = Parameter
30
Power Gain |S21|2= f(f)
V CE = Parameter
24
dB
IC=5mA
dB
IC =5mA
20 18
G
20
S21
16 14 12
15
10 8
10V 1V 0.7V 10V 2V 1V 0.7V
6 4 2 3.5 0 0.0 0.5 1.0 1.5 2.0 2.5
10
5 0.0
0.5
1.0
1.5
2.0
2.5
GHz
GHz
3.5
f
f
7
Oct-12-1999


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