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DATA SHEET
SMV1405 to SMV1430 Series: Plastic Packaged Abrupt
Junction Tuning Varactors
Applications
High-Q resonators in wireless system VCOs
High volume commercial systems
Features
High Q
Low series resistance for low phase noise
Packages rated MSL1, 260 °C per JEDEC J-STD-020
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
Description
The SMV1405 to SMV1430 group of silicon abrupt junction
varactor diodes is designed for use in Voltage Controlled
Oscillators (VCOs) requiring tight capacitance tolerances. The low
resistance of these varactors makes them appropriate for high-Q
resonators in wireless system VCOs to frequencies above 10 GHz.
This family of varactors is characterized for capacitance over
temperature.
Table 1 describes the various packages and markings of the
SMV1405 to SMV1430 group of varactors.
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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Table 1. Packaging and Marking
Single Single Common Cathode Common Cathode Single
SC-79
Green™
SOT-23 SOT-23 SC-70 SOD-882
Green™
SMV1405-079LF
Marking: Cathode
SMV1405-074LF
Green™
Marking: GE3
SMV1405-040LF
Marking: 5
SMV1408-001LF
Green™
Marking: DV1
SMV1408-040LF
Marking: DV
SMV1413-079LF
Marking: Cathode
SMV1413-001LF
Green™
Marking: ER1
SMV1413-004LF
Green™
Marking: ER3
SMV1413-074LF
Green™
Marking: ER3
SMV1430-079LF
Marking: Cathode
SMV1430-040LF
Marking: 7
LS = 0.7 nH LS = 1.5 nH LS = 1.5 nH LS = 1.4 nH LS = 0.45 nH
The Pb-free symbol or “LF” in the part number denotes a lead-free, RoHS-compliant package unless otherwise noted as Green™. Tin/lead (Sn/Pb) packaging is not recommended
for new designs.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SMV1405 to SMV1430
varactors are provided in Table 2. Electrical specifications are
provided in Table 3. Typical capacitance values are listed in
Table 4. Typical performance characteristics of the SMV1405 to
SMV1430 varactors are illustrated in Figures 1, 2, and 3.
The SPICE model for the SMV1405 to SMV1430 varactors is
shown in Figure 4, and the associated model parameters are
provided in Table 5.
Package dimensions are shown in Figures 5 to 11 (odd numbers),
and tape and reel dimensions are provided in Figures 6 to 12
(even numbers).
Package and Handling Information
Instructions on the shipping container label regarding exposure to
moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
The SMV1405 to SMV1430 series of varactors are rated to
Moisture Sensitivity Level 1 (MSL1) at 260 C. They can be used
for lead or lead-free soldering. For additional information, refer to
the Skyworks Application Note, Solder Reflow Information,
document number 200164.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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Table 2. SMV1405 to SMV1430 Series Absolute Maximum Ratings
Parameter Symbol Minimum Maximum Units
Reverse voltage VR 30 V
Forward current IF 20 mA
Power dissipation PD 250 mW
Operating temperature TOP –55 +125 C
Storage temperature TSTG –55 +150 C
Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
Table 3. SMV1405 to SMV1430 Series Electrical Specifications (Note 1)
(TOP = 25 C, Unless Otherwise Noted)
Part Number
CT @ 0.5 V
(pF)
CT @ 1 V
(pF)
CT @ 4 V
(pF)
CT @ 0 V
CT @ 30 V
(Ratio)
RS @ 4 V,
500 MHz
(Ω)
Q @ 4 V,
50 MHz
Typ. Typ. Min. Max. Min Max. Typ.
SMV1405 2.1 1.80 1.21 1.45 4.1 0.80 3200
SMV1408 3.4 2.90 1.71 2.11 4.1 0.60 2900
SMV1413 7.4 6.40 3.64 4.42 4.2 0.35 2400
SMV1430 1.01 0.88 0.46 0.70 3.8 3.15 1680
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Reverse voltage VR (IR = 10 μA) = 30 V minimum
Reverse current IR (VR = 24 V) = 20 nA maximum
Total capacitance shown was measured in the SOT-23 single configuration with a typical case capacitance of 0.13 pF. The total capacitance may differ slightly for other
packages/configurations.
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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Table 4. Capacitance vs Reverse Voltage (Note 1)
VR
(V)
CT (pF)
SMV1405 SMV1408 SMV1413 SMV1430
0 2.67 4.08 9.24 1.24
0.5 2.12 3.36 7.39 1.01
1.0 1.84 2.94 6.37 0.88
1.5 1.70 2.60 5.71 0.80
2.0 1.55 2.38 5.22 0.74
2.5 1.44 2.24 4.85 0.68
3.0 1.34 2.08 4.55 0.65
4.0 1.25 1.88 4.10 0.60
5.0 1.17 1.72 3.77 0.56
10.0 0.95 1.28 2.85 0.44
20.0 0.77 1.01 2.12 0.35
30.0 0.63 0.95 1.77 0.31
N
ote 1: Total capacitance shown was measured in the SOT-23 single configuration with a typical case capacitance of 0.13 pF. The total capacitance may differ slightly for other
packages/configurations.
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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Typical Performance Characteristics
0.1
1.0
10.0
100.0
Reverse Voltage (V)
Capacitance (pF)
0 5 10 15 20 25 30
SMV1413
SMV1408
SMV1405
Figure 1. Capacitance vs Reverse Voltage
0.8
1.0
1.2
1.4
0
0.2
0.4
0.6
Reverse Voltage (V)
Capacitance (pF)
0 5 10 15 20 25 30
Figure 3. Capacitance vs Reverse Voltage
(SMV1430)
–5
–4
–3
–1
–2
0
+1
+2
+3
+5
+4
+6
–40 –20 0 +20 +40 +60 +80
Percentage Change (%)
Temperature (°C)
VR = 1 V
VR = 4 V VR = 30 V
Figure 2. Relative Capacitance Change vs Temperature
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
IND
L
S
L = L
S
RES
R
S
R = R
S
CAP
C
P
C = C
P
PORT
P_anode
port = 1
PORT
P_Cathode
port = 2
DIODEM
Diode_Model
I
S
= 1.00e-14
R
S
= 0
N = 1
T
T
= 0
C
JO
= C
JO
M = M
V
J
= V
J
E
G
= 1.11
X
TI
= 3
K
F
=0
A
F
=1
F
C
= 0.5
B
V
= 0
I
BV
= 1e-3
I
SR
= 0
N
R
= 2
I
KF
= 0
N
BV
= 1
I
BVL
= 0
N
BVL
= 1
T
BV1
= 0
T
NOM
= 27
F
FE
= 1
S1672
Figure 4. SPICE Model
Table 5. SPICE Model Parameters
Part Number CJO
(pF)
VJ
(V) M CP
(pF)
RS
(Ω)
SMV1405 2.37 0.77 0.5 0.29 0.80
SMV1408 3.89 0.92 0.5 0.21 0.60
SMV1413 8.92 0.87 0.5 0.30 0.35
SMV1430 1.11 0.86 0.5 0.13 3.15
V
alues extracted from measured performance.
For package inductance, LS, refer to Table 1.
For more details, refer to the Skyworks Application Note, Varactor SPICE Model for Approved RF VCO Applications, document number 200315.
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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3
2
1
0.031 (0.80 mm) Min.
0.039 (1.00 mm) Max.
0.000 (0.00 mm) Min.
0.004 (0.10 mm) Max.
0.010 (0.25 mm) Min.
0.016 (0.40 mm) Max.
0.071 (1.80 mm) Min.
0.087 (2.20 mm) Max.
0.071 (1.80 mm) Min.
0.094 (2.40 mm) Max.
0.045 (1.15 mm) Min.
0.053 (1.35 mm) Max.
0.026 (0.65 mm) Ref.
0.051 (1.30 mm) Ref.
0.004 (0.10 mm) Min.
0.007 (0.18 mm) Max.
0.004 (0.10 mm) Min.
0.012 (0.30 mm) Max.
0.014 (0.35 mm) Ref.
S1653Dimensions are in inches (millimeters shown in parentheses)
Figure 5. SC-70 Package Dimensions
8.00 +0.3/–0.1
4.00
(See Note 1)
1.00
2.25 (Ao)
4.00
3.50 ± 0.05
(See Note 3)
2.50 (Bo)
2.00
1.75 ± 0.10
A
A
A
T ± 0.05
1.19 (Ko)
0.59
∅0.76 Min. ∅1.50 +0.1/–0
Pin 1 R 0.3 Typ.
S1685c
2.00 ± 0.05
(See Note 3)
R 0.20 Max.
Notes:
1. Sprocket hole pitch cumulative tolerance ±0.2.
2. Carrier tape: black conductive polystyrene.
3. Pocket position relative to sprocket hole measured
as true position of pocket, not pocket hole.
4. Cover tape material: transparent and conductive material.
5. All measurements are in millimeters.
Figure 6. SC-70 Tape and Reel Dimensions
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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0.060 (1.50 mm) Min.
0.067 (1.70 mm) Max.
0.010
(0.25 mm) Min.
0.014
(0.35 mm) Max.
0.043 (1.10 mm) Min.
0.051 (1.30 mm) Max.
0.020
(0.50 mm) Min.
0.028
(0.70 mm) Max.
0.003
(0.07 mm) Min.
0.008
(0.20 mm) Max.
10° Max.
10° Max.
0.028
(0.70 mm) Min.
0.035
(0.90 mm) Max.
0.006 (0.15 mm) Min.
Polarity
Indicator Area
12
S1652Dimensions are in inches (millimeters shown in parentheses)
Box
or
Bar
Figure 7. SC-79 Package Dimensions
S2929
Notes:
1. Carrier tape: black conductive polycarbonate or polystyrene.
2. Cover tape material: transparent conductive PSA.
3. Cover tape size: 5.4 mm width.
4. ESD-surface resistivity is ≤1 x 108 Ohms/square per
EIA, JEDEC TNR Specification.
4. All measurements are in millimeters.
8.00 ± 0.20
0.229 ± 0.02 (T)
3.50 ± 0.05
A
B
Ø1.50± 0.10
Ø0.50± 0.05
4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.05
0.80 ± 0.05 (Ko)
1.95 ± 0.05 (Bo)
1.40 ± 0.05
0.39 ± 0.05
0.90 ± 0.05 (Ao)
1.75 ± 0.10
2
o
Max
2° Max
A
B
B
A
Pin 1 Indicator
Figure 8. SC-79 Tape and Reel Dimensions
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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3
2
1
0.035 (0.89 mm) Min.
0.044 (1.12 mm) Max.
0.0005 (0.01 mm) Min.
0.004 (0.10 mm) Max.
0.012 (0.30 mm) Min.
0.020 (0.50 mm) Max.
0.003 (0.080 mm) Min.
0.008 (0.20 mm) Max.
8° Max.
0.022 (0.55 mm) Ref.
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.
0.047 (1.20 mm) Min.
0.055 (1.40 mm) Max.
0.076 (1.92 mm) Ref.
0.020 (0.51 mm) Ref.
S1389
Dimensions are in inches (millimeters shown in parentheses)
Figure 9. SOT-23 Package Dimensions
Notes:
1. Carrier tape: black conductive polycarbonate.
2. Cover tape material: transparent conductive PSA.
3. Cover tape size: 5.40 mm width.
4. Tolerance ±0.10 mm.
5. Ten sprocket hole pitch cumulative tolerance: ±0.2 mm.
6. All measurements are in millimeters.
3.10 (Ao)
1.0
2.2
2.70 (Bo)
8.00 + 0.3/–0.1
4.00
4.00
(See Note 5)
2.00 ± 0.05
3.50 ± 0.05
1.75 ± 0.10
A
A
A
0.25 ± 0.05
0.8 ± 0.05
1.20 (Ko)
Ø1.00 Min.
R 0.5 Typ. Pin 1 Indicator
Ø1.5 + 0.1/–0
S1684b
R 0.3 Max
Figure 10. SOT-23 Tape and Reel Dimensions
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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All dimensions in millimeters
0.650
Cathode
Indicator
Cathode
Terminal
1.000
Bottom View
Side View
Top View
2X 0.25 ± 0.05
2X 0.50 ± 0.05
0.46 +0.04/–0.06
0.05/0.00
0.600
0.325
S1892
Figure 11. SOD-882 Package Dimensions
S1922
A
B
2.00 ± 0.05 ∅1.55 ± 0.05 (D0)
∅0.40 ± 0.05 (D1)
Cathode
Indicator
0.20
1.15 ± 0.05 (Bo)
0.70 ± 0.05 (A0)
4.00 ± 0.10
A
BB A
2.00 ± 0.05
0.47 ± 0.05 (Ko)
1.75 ± 0.10
3.50 ± 0.05
8.00 ± 0.1
Notes:
1. Carrier tape: black conductive polycarbonate.
2. Cover tape: transparent conductive material.
3. Cover tape size: 5.4 mm width.
4. ESD surface resistivity is ≥1 x 10
4
~ ≤ 1 x 10
8
Ohms/square.
5. All dimensions are in millimeters.
Figure 12. SOD-882 Tape and Reel Dimensions
DATA SHEET • SMV1405 TO SMV1430 VARACTORS
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