Abrupt Junction Tuning Varactors
SMV1405–SMV1419
SPICE Model
IND
LS
L = LS
RES
RS
R = RS
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
PORT
P_anode
port = 1
CAP
CP
C = CP
PORT
P_Cathode
port = 2
DIODEM
Diode_Model
IS = 1.00e-14
RS = 0
N=1
TT = 0
CJO = CJO
M=M
VJ
EG = 1.11
XTI = 3
KF =0
AF =1
FC = 0.5
BV = 0
IBV = 1e-3
ISR = 0
NR = 2
IKF = 0
NBV = 1
IBVL = 0
NBVL = 1
TBV1 = 0
TNOM = 27
FFE = 1
Part
CJO
VJ
Number (pF)
(V)
M
CP
RS
(pF)
(Ω)
SMV1405 2.92
0.68
0.41
0.05
0.80
SMV1408 3.70
0.80
0.48
0.13
0.60
SMV1411 7.57
0.80
0.45
0.13
0.40
SMV1413 9.20
0.79
0.45
0.13
0.35
SMV1417 19.20
0.84
0.48
0.13
0.22
SMV1419 23.40
0.87
0.54
0.13
0.20
1. Values extracted from measured performance.
2. For package inductance (LS) refer to package type.
3. For more details refer to the “Varactor SPICE Models for RF VCO
Applications” Application Note.
SC-70
0.071 (1.80 mm) MIN.
0.087 (2.20 mm) MAX.
0.010 (0.25 mm) MIN.
0.016 (0.40 mm) MAX.
3
0.071 (1.80 mm) MIN.
0.094 (2.40 mm) MAX.
1
0.014 (0.35 mm) REF.
0.045 (1.15 mm) MIN.
0.053 (1.35 mm) MAX.
2
0.026 (0.65 mm) REF.
0.051 (1.30 mm) REF.
0.004 (0.10 mm) MIN.
0.007 (0.18 mm) MAX.
0.031 (0.80 mm) MIN.
0.039 (1.00 mm) MAX.
0.004 (0.10 mm) MIN.
0.012 (0.30 mm) MAX.
0.000 (0.00 mm) MIN.
0.004 (0.10 mm) MAX.
SOD-323
0.090 (2.30 mm) MIN.
0.108 (2.74 mm) MAX.
0.045 (1.15 mm) MIN.
0.053 (1.35 mm) MAX. 1
2
0.010
(0.25 mm) MIN.
0.016
(0.40 mm) MAX.
0.006
(0.15 mm) TYP.
CATHODE
INDICATOR
0.063 (1.60 mm) MIN.
0.071 (1.80 mm) MAX.
0.008 (0.20 mm) NOM.
0.050
(1.25 mm) MAX.
SOT-23
0.110 (2.80 mm) MIN.
0.120 (3.04 mm) MAX.
0.083 (2.10 mm) MIN.
0.104 (2.64 mm) MAX.
0.037 (0.95 mm) REF.
0.020 (0.51 mm) REF.
0.012 (0.30 mm) MIN.
0.020 (0.50 mm) MAX.
3
0.047 (1.20 mm) MIN.
0.055 (1.40 mm) MAX.
1
2
0.076 (1.92 mm) REF.
0.003 (0.080 mm) MIN.
0.008 (0.20 mm) MAX.
8˚ MAX.
0.035 (0.89 mm) MIN.
0.044 (1.12 mm) MAX.
0.010 (0.25 mm) MIN.
0.004 (0.10 mm) MAX.
SC-79
CATHODE 0.006 (0.15 mm) MIN.
INDICATOR
0.010
1
(0.25 mm) MIN.
0.014
(0.35 mm) MAX.
0.028
2
(0.70 mm) MIN.
0.035
(0.90 mm) MAX.
0.060 (1.50 mm) MIN.
0.067 (1.70 mm) MAX.
0.043 (1.10 mm) MIN.
0.051 (1.30 mm) MAX.
0.022 (0.55 mm) REF.
0.0005 (0.01 mm) MIN.
0.004 (0.10 mm) MAX.
10˚ MAX.
0.003
(0.07 mm) MIN.
0.008
(0.20 mm) MAX.
0.020
(0.50 mm) MIN.
0.028
(0.70 mm) MAX.
10˚ MAX.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
3
Specifications subject to change without notice. 1/01A