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DATA SHEET

SMV123x Series: Hyperabrupt Junction Tuning Varactors

Applications

•

Low

tuning voltage VCOs

•

High-Q resonators in wireless system VCOs

•

High-volume commercial systems

Features

•

High capacitance ratio

•

Low series resistance for low phase noise

•

Packages rated MSL1, 260

°C

per JEDEC J-STD-020

Description

The SMV123x series of silicon hyperabrupt junction varactor

diodes are designed for use in Voltage Controlled Oscillators

(VCOs) with a low tuning voltage operation. The low resistance of

these varactors makes them appropriate for high-Q resonators in

wireless system VCOs to frequencies over 10

GHz.

This family of

varactors is characterized for capacitance and resistance over

temperature.

Table 1 describes the various packages and markings of the

SMV123x varactors.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200058Q • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • June 14, 2012

DATA SHEET • SMV123x VARACTORS

Table 1. Packaging and Marking

Single

SC-79

Green™

Single

SOD-323

Green™

Single

SOT-23

Common Cathode

SOT-23

Common Anode

SC-70

Common Cathode

SC-70

SMV1231-074

Marking: JA3

Single

SOD-882

Green™

SMV1231-079LF

Marking: Cathode

SMV1231-011LF

Marking: KA

SMV1231-074LF

Green™

Marking: KA3

SMV1232-074

Marking: CC3

SMV1231-040LF

Marking: A

SMV1232-079LF

Marking: Cathode

SMV1232-011LF

Marking: HC

SMV1233-001

Marking: VP1

SMV1233-004

Marking: VP3

SMV1233-004LF

Green™

Marking: DP3

SMV1234-004

Marking: VQ3

SMV1234-004LF

Green™

Marking: DQ3

SMV1235-004

Marking: VR3

SMV1235-004LF

Green™

Marking: DR3

SMV1236-004

Marking: AQ3

SMV1236-004LF

Green™

Marking: EQ3

SMV1234-073

Marking: VQ9

SMV1234-073LF

Green™

Marking: DQ9

SMV1232-074LF

Green™

Marking: HC3

SMV1233-074

Marking: VP3

SMV1233-074LF

Green™

Marking: DP3

SMV1232-040LF

Marking:

SMV1233-079LF

Marking: Cathode

♦

SMV1233-011LF

Marking: DP

SMV1233-001LF

Green™

Marking: DP1

SMV1234-001

Marking: VQ1

SMV1233-040LF

Marking:

SMV1234-079LF

Marking: Cathode

♦

SMV1234-011LF

Marking: DQ

SMV1234-001LF

Green™

Marking: DQ1

SMV1235-001

Marking: VR1

SMV1234-040LF

Marking:

SMV1235-074

Marking: VR3

SMV1235-074LF

Green™

Marking: DR3

SMV1236-074

Marking: AQ3

SMV1236-074LF

Green™

Marking: EQ3

SMV1236-040LF

Marking: R

SMV1235-040LF

Marking:

SMV1235-079LF

Marking: Cathode

SMV1235-011LF

Marking: DR

SMV1235-001LF

Green™

Marking: DR1

SMV1236-001

Marking: AQ1

♦

SMV1236-079LF

Marking: Cathode

SMV1236-011LF

Marking: EQ

SMV1236-001LF

Green™

Marking: EQ1

SMV1237-001

Marking: VT1

SMV1237-001LF

Green™

Marking: DT1

= 0.7 nH

= 1.5 nH

= 1.5

= 1.4 nH

0.45

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.

Innovation to Go™

Select Linear Products (indicated by

♦)

now available for purchase online.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

June 14, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200058Q

DATA SHEET • SMV123x VARACTORS

Electrical and Mechanical Specifications

The absolute maximum ratings of the SMV123x 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 SMV123x varactors are

illustrated in Figures 1 through 4.

The SPICE model for the SMV123x varactors is shown in Figure 5

and the associated model parameters are provided in Table 5.

Package dimensions are shown in Figures 6 to 14 (even

numbers), and tape and reel dimensions are provided in Figures 7

to 15 (odd 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 SMV123x 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.

Table 2. SMV123x Absolute Maximum Ratings

Parameter

Reverse voltage

Forward current

Power dissipation

Operating temperature

Storage temperature

Note:

Symbol

DIS

STG

Minimum

Maximum

250

Units

°C

–55

+125

+150

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. The

SMV123x varactors are Class 1B Human Body Model (HBM) ESD devices.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200058Q • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • June 14, 2012

DATA SHEET • SMV123x VARACTORS

Table 3. SMV123x Electrical Specifications (Note 1)

= 25

°C,

Unless Otherwise Noted)

Part

Number

Min.

SMV1231

SMV1232

SMV1233

SMV1234

SMV1235

SMV1236

SMV1237

1.43

2.34

3.00

5.85

10.35

15.50

45.00

@ 1 V

(pF)

Max.

1.72

2.86

3.60

7.15

12.65

18.50

54.00

@ 3 V

(pF)

Typ.

0.97

1.50

1.80

3.60

6.40

9.20

26.90

@ 6 V

(pF)

Typ.

0.61

0.94

1.10

2.00

3.60

5.30

14.40

Min.

1.5

1.6

@ 1 V

@ 3 V

(Ratio)

Max

1.8

1.9

2.0

Min.

2.5

2.6

2.8

2.9

3.0

@ 1 V

@ 6 V

(Ratio)

Max.

2.8

3.3

3.4

3.5

@ 3 V,

500 MHz

(Ω)

Typ.

2.90

1.50

1.20

0.80

0.60

0.50

0.40

Note 1:

Performance is guaranteed only under the conditions listed in this Table.

Tested with

-079

package.

Reverse voltage V

= 10

μA)

= 15

V minimum

Reverse current I

12 V) = 20 nA maximum

Table 4. Capacitance vs Reverse Voltage

(V)

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

9.0

10.0

11.0

12.0

13.0

14.0

15.0

(pF)

SMV1231

2.35

1.87

1.58

1.40

1.22

1.09

0.970

0.882

0.794

0.732

0.683

0.648

0.613

0.590

0.567

0.551

0.534

0.512

0.497

0.492

0.487

0.480

0.472

0.466

SMV1232

4.15

3.22

2.67

2.28

1.97

1.72

1.51

1.35

1.22

1.13

1.05

0.99

0.94

0.90

0.86

0.84

0.81

0.78

0.76

0.75

0.74

0.73

0.72

SMV1233

5.08

3.95

3.28

2.80

2.41

2.09

1.82

1.62

1.45

1.33

1.24

1.16

1.10

1.05

1.01

0.98

0.96

0.92

0.90

0.88

0.87

0.86

0.85

0.84

SMV1234

9.63

7.53

6.28

5.39

4.68

4.09

3.58

3.15

2.81

2.54

2.32

2.15

2.02

1.90

1.80

1.72

1.65

1.55

1.47

1.42

1.38

1.35

1.33

1.32

SMV1235

18.22

14.12

11.67

9.91

8.52

7.36

6.40

5.62

4.99

4.50

4.11

3.80

3.55

3.34

3.17

3.03

2.91

2.73

2.61

2.53

2.47

2.43

2.40

2.38

SMV1236

26.75

20.61

17.02

14.38

12.29

10.56

9.16

8.04

7.19

6.53

6.01

5.61

5.28

5.02

4.81

4.64

4.49

4.28

4.13

4.02

3.95

3.89

3.84

3.80

SMV1237

71.82

56.10

46.89

40.33

35.13

30.71

26.87

23.57

20.83

18.62

16.87

15.48

14.36

13.46

12.72

12.11

11.61

10.87

10.38

10.06

9.84

9.68

9.56

9.47

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

June 14, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200058Q

DATA SHEET • SMV123x VARACTORS

Typical Performance Characteristics

Figure 1. Capacitance vs Reverse Voltage

Figure 2. Series Resistance vs Reverse Voltage @ 500 MHz

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

200058Q • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • June 14, 2012