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BFR193T Datasheet, PDF (4/7 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor
BFR193T
SPICE Parameters (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax) :
Transistor Chip Data
IS =
0.2738 fA
VAF = 24
V
NE =
1.935
-
VAR = 3.8742 V
NC = 0.94371 -
RBM = 1

CJE = 1.1824 fF
TF =
18.828 ps
ITF = 0.96893 mA
VJC = 1.1828 V
BF =
IKF =
BR =
IKR =
RB =
RE =
VJE =
XTF =
PTF =
MJC =
125
-
0.26949 A
14.267 -
0.037925 A
1.8368 
0.76534
0.70276 V
0.69477 -
0
deg
0.30002 -
TR =
1.0037 ns
MJS = 0
-
XTI = 3
-
CJS = 0
fF
XTB = 0
-
FC =
0.72063 -
All parameters are ready to use, no scalling is necessary.
Extracted on behalf of Infineon Technologies AG by:
Institut für Mobil-und Satellitentechnik (IMST)
NF = 0.95341 -
ISE = 10.627 fA
NR = 1.4289 -
ISC = 0.037409 fA
IRB =
RC =
0.91763 mA
0.11938 
MJE = 0.48654 -
VTF = 0.8
V
CJC = 935.03 fF
XCJC = 0.053563 -
VJS = 0.75
V
EG = 1.1
eV
TNOM 300
K
Package Equivalent Circuit:
C4
C1
B
L2
B’ Transistor C’
L3
Chip
C
E’
C6
C5
C2
L1 C3
LBI =
0.762
nH
LBO = 0.706
nH
LEI =
0.382
nH
LEO = 62
fF
LCI =
84
fF
LCO = 180
fF
CBE = 7
CCB = 40
fF
CCE = 48
fF
E
EHA07524
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/silicondiscretes
4
Aug-09-2001