DATA SHEET
SMV121x Series: Hyperabrupt Junction Tuning Varactors
Applications
Low tuning voltage VCOs
High-volume commercial systems
Features
High capacitance ratio: C
1
V
/C
4
V
= 5 typical
Packages rated MSL1, 260
°C
per JEDEC J-STD-020
Skyworks
Green
TM
products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to
Skyworks
Definition of Green
TM
, document number
SQ04–0074.
Description
The SMV121x series of silicon hyperabrupt junction varactor
diodes are designed for use in Voltage Controlled Oscillators
(VCOs) with a low tuning voltage operation. This family of
varactors is characterized for capacitance and resistance over
temperature.
Table 1 describes the various packages and markings of the
SMV121x varactors.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SMV121x VARACTORS
Table 1. Packaging and Marking
Single
SC-79
Green™
SMV1212-079LF
Marking: Cathode and HA
Single
SOT-23
Common Cathode
SOT-23
Single
SOD-882
Green™
SMV1212-001LF
Green™
Marking: EB1
SMV1213-079LF
Marking: Cathode and HC
♦
SMV1213-001LF
Green™
Marking: D86
SMV1215-001LF
Green™
Marking: DM1
SMV1213-004LF
Green™
Marking:
GD3
SMV1213-004LF
Marking: J
L
S
= 0.7 nH
L
S
= 1.5 nH
L
S
= 1.4 nH
L
S
= 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 SMV121x 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 SMV121x varactors are
illustrated in Figures 1 through 4.
The SPICE model for the SMV121x varactors is shown in Figure 5
and the associated model parameters are provided in Table 6.
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 SMV121x 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.
Package Dimensions
Package dimensions are shown in Figures 6 to 10 (even
numbers), and tape and reel dimensions are provided in Figures 7
to 11 (odd numbers).
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SMV121x VARACTORS
Table 2. SMV121x Varactors Absolute Maximum Ratings
1
Parameter
Reverse voltage
Forward current
Power dissipation
Operating temperature
Storage temperature
Electrostatic discharge:
Charged Device Model (CDM), Class 3
Human Body Model (HBM), Class 1B
Machine Model (MM), Class A
at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
Symbol
V
R
I
F
P
DIS
T
OP
T
STG
ESD
Minimum
Maximum
12
20
250
Units
V
mA
mW
C
C
–55
–55
+125
+150
1000
500
100
V
V
V
1 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
ESD HANDLING:
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 when handling or transporting. Static charges may easily produce
potentials of several kilovolts on the human body or equipment, which can discharge without detection.
Industry-standard ESD handling precautions should be used at all times.
Table 3. SMV121x Varactors Electrical Specifications
1
(T
OP
= 25
C,
Unless Otherwise Noted)
C
T
@ 1 V
(pF)
Min
42.0
17.0
14.5
8.7
Typ
50.0
22.0
16.0
9.5
Min
18.0
8.5
6.5
4.3
C
T
@ 2.5 V
(pF)
Max
27.0
10.5
7.8
5.5
Typ
9
4
3
2
C
T
@ 4 V
(pF)
Max
12.0
5.5
4.8
2.9
C
T
@ 1 V
C
T
@ 2.5 V
(Ratio)
Typ
2
2
2
2
C
T
@ 1 V
C
T
@ 4 V
(Ratio)
Typ
5
5
5
5
R
S
@ 4 V,
500 MHz
(Ω)
Typ
0.8
1.4
1.7
2.8
Part
Number
SMV1212
SMV1213
SMV1214
SMV1215
1 Performance is guaranteed only under the conditions listed in this table.
Reverse voltage Vr (Ir = 10 μA) = 12 V minimum
Reverse current Ir (Vr = 8 V) = 20 nA maximum
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SMV121x VARACTORS
Table 4. Typical Capacitance Values
V
R
(V)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
C
T
(pF)
SMV1212
72.4
55.3
44.9
36.9
29.9
22.9
16.3
11.8
9.3
7.9
7.0
6.4
6.0
5.7
5.5
5.3
5.1
SMV1213
30.0
22.8
18.1
15.3
12.3
9.2
6.4
4.5
3.5
3.0
2.6
2.4
2.2
2.1
2.0
1.9
1.9
SMV1214
26.0
19.6
15.6
12.4
9.6
6.8
4.7
3.5
2.9
2.5
2.3
2.1
2.0
1.9
1.8
1.8
1.7
SMV1215
14.8
11.3
9.1
7.5
6.0
4.5
3.1
2.3
1.9
1.7
1.5
1.4
1.3
1.3
1.2
1.2
1.2
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DATA SHEET • SMV121x VARACTORS
Typical Performance Characteristics
Figure 1. Capacitance vs Reverse Voltage
200057-001
Figure 2. Series Resistance vs Reverse Voltage @ 500 MHz
+3
+2
+1
0
–1
V
R
= 4 V
200057-003
+15
+10
Percentage
Change
(%)
Percentage
Change
(%)
V
R
= 1 V
+5
0
–5
200057-004
–2
–3
–40
–20
0
–10
–15
–40
–20
0
+20
+40
+60
+80
+20
+40
+60
+80
Temperature (°C)
Temperature (°C)
Figure 3. Relative Capacitance Change vs Temperature
Figure 4. Relative Series Resistance Change vs Temperature
@ 500 MHz
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200057T • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 28, 2016
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200057-002
