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BFQ621 Datasheet, PDF (9/10 Pages) NXP Semiconductors – NPN 7 GHz wideband transistor
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Philips Semiconductors
NPN 7 GHz wideband transistor
Product specification
BFQ621
SPICE parameters for the BFQ621 crystal
SEQUENCE No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19(1)
20(1)
21(1)
22
23
24
25
26
27
28
29
30
31
32
33
34
35(1)
36(1)
37(1)
38
PARAMETER VALUE
IS
1.358
BF
112.2
NF
0.991
VAF
78.06
IKF
4.291
ISE
643.3
NE
1.851
BR
5.776
NR
0.999
VAR
2.350
IKR
50.26
ISC
2.454
NC
1.175
RB
8.000
IRB
1.000
RBM
8.000
RE
1.585
RC
1.880
XTB
0.000
EG
1.110
XTI
3.000
CJE
3.985
VJE
0.600
MJE
0.327
TF
14.02
XTF
398.1
VTF
2.940
ITF
3.084
PTF
45.00
CJC
1.529
VJC
0.216
MJC
0.158
XCJC
0.120
TR
9.070
CJS
0.000
VJS
750.0
MJS
0.000
FC
0.735
UNIT
fA
−
−
V
A
fA
−
−
−
V
mA
fA
−
Ω
µA
Ω
Ω
Ω
−
eV
−
pF
V
−
ps
−
mV
A
deg
pF
V
−
−
ns
F
mV
−
−
Note
1. These parameters have not been extracted, the
default values are shown.
handbook, halfpage
Ccb
L1
LB
L2
B
B' C'
C
E'
LE
C be
L3
Cce
L5
L4
L6
MLD001
E
Fig.13 Package equivalent circuit SOT172A2.
List of components (see Fig.13)
DESIGNATION
Cbe
Ccb
Cce
L1(1)
L2(1)
L3(1)
L4(1)
L5(1)
L6(1)
LB
LE
VALUE
225
36
362
L = 1.37; W = 2.64
L = 1.60; W = 2.64
L = 0.51; W = 0.33
L = 0.81; W = 2.06
L = 2.77; W = 0.33
L = 0.94; W = 2.06
1.85
1.22
UNIT
fF
fF
fF
mm
mm
mm
mm
mm
mm
nH
nH
Note
1. The micro striplines are on a double copper-clad
substrate; εr = 6.5; h = 1.18 mm.
1995 Sep 26
9
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