Datasheet

1999 Jul 23 9
Philips Semiconductors Product specification
UHF wideband transistor PRF947
APPLICATION INFORMATION
SPICE parameters for the PRF947 die.
Notes
1. These parameters have not been extracted, the
default values are shown.
2. C
bpb
, C
bpe
: base-bondpad and emitter-bondpad
capacitance to collector.
List of components (see Fig.14)
SEQUENCE No. PARAMETER VALUE UNIT
1 IS 0.466 fA
2 BF 150.4 −
3 NF 1.000 −
4 VAF 53.06 V
5 IKF 180.0 mA
6 ISE 57.30 fA
7 NE 2.000 −
8 BR 27.68 −
9 NR 1.000 −
10 VAR 1.976 V
11 IKR 9.943 mA
12 ISC 1.420 aA
13 NC 1.000 −
14 RB 12.14 Ω
15 IRB 0.000 µA
16 RBM 4.957 Ω
17 RE 0.597 Ω
18 RC 1.988 Ω
19
(1)
XTB 0.000 −
20
(1)
EG 1.110 eV
21
(1)
XTI 3.000 −
22 CJE 0.568 pF
23 VJE 600.0 mV
24 MJE 0.412 −
25 TF 2.037 ps
26 XTF 30.90 −
27 VTF 3.148 V
28 ITF 131.8 mA
29 PTF 0.000 deg
30 CJC 205.8 fF
31 VJC 296.2 mV
32 MJC 0.118 −
33 XCJC 0.104 −
34 TR 0.000 ps
35
(1)
CJS 0.000 F
36
(1)
VJS 700.0 mV
37
(1)
MJS 0.000 −
38 FC 0.943 −
39
(2)
C
bpb
83.00 fF
40
(2)
C
bpe
84.00 fF
41 AF 1.000 −
42 KF 4 x 10
−16
−
DESIGNATION VALUE UNIT
C
be
2fF
C
cb
100 fF
C
ce
100 fF
L1 0.34 nH
L2 0.10 nH
L3 0.34 nH
L
B
0.60 nH
L
E
0.60 nH
SEQUENCE No. PARAMETER VALUE UNIT
QL
B
= 50; QL
E
= 50;
QL
B
(f) = QL
B
√(f/f
c
);
QL
E
(f) = QL
E
√(f/f
c
);
f
c
= corner frequency = 1 GHz.
Fig.14 Package equivalent circuit SOT323.
handbook, halfpage
MBC964
B
E
CB' C'
E'
L
B
L
E
L3
L1 L2
C
cb
C
be ce
C