BFP420 Datasheet, PDF (4/8 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For high gain low noise amplifiers For oscillators up to 10 GHz)

BFP 420
SPICE Parameters (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax) :
Transistor Chip Data
IS =
0.20045 aA
VAF = 28.383 V
NE = 2.0518 -
VAR = 19.705 V
NC = 1.1724 -
RBM = 8.5757 _Ω
CJE = 1.8063 fF
TF =
6.7661 ps
ITF = 1
mA
VJC = 0.81969 V
TR = 2.3249 ns
MJS = 0
-
XTI = 3
-
BF = 72.534 -
IKF = 0.48731 A
BR = 7.8287 -
IKR = 0.69141 A
RB = 3.4849 _Ω
RE = 0.31111
VJE = 0.8051 V
XTF = 0.42199 -
PTF = 0
deg
MJC = 0.30232 -
CJS = 0
F
XTB = 0
-
FC = 0.73234 -
NF = 1.2432 -
ISE = 19.049 pA
NR = 1.3325 -
ISC = 0.019237 A
IRB = 0.72983 mA
RC = 0.10105 _Ω
MJE = 0.46576 -
VTF = 0.23794 V
CJC = 234.53 fF
XCJC = 0.3
-
VJS = 0.75
V
EG = 1.11
eV
TNOM 300
K
C’-E’-Diode Data (Berkley-SPICE 2G.6 Syntax) :
IS =
3.5
fA
N=
1.02
-
RS = 10
Ω
All parameters are ready to use, no scalling is necessary
Package Equivalent Circuit:
C _CB
L _BO
B
L _BI
C _BE
B’ Transistor C’ ^{L CI}
Chip
E’
C’-E’-
Diode
L _EI
L _CO
C
C _CE
L _EO
E
EHA07389
L_BI =
0.47
nH
L_BO = 0.53
nH
L_EI =
0.23
nH
L_EO = 0.05
nH
L_CI =
0.56
nH
L_CO = 0.58
nH
C_BE = 136
fF
C_CB = 6.9
fF
C_CE = 134
fF
Valid up to 6GHz
The SOT-343 package has two emitter leads. To avoid high complexity of the package equivalent circuit,
both leads are combined in one electrical connection.
Extracted on behalf of SIEMENS Small Signal Semiconductors by:
Institut für Mobil-und Satellitentechnik (IMST)
© 1996 SIEMENS AG
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
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