SMV1251-074LF - Skyworks Solutions, Inc.

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

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DATA SHEET

SMV1247-SMV1255 Series: Hyperabrupt Junction Tuning

Varactors

Applications

• Low tuning voltage VCOs

• High-volume commercial systems

Features

• High capacitance ratio: C0.3V/C4.7V = 12 typical

• Packages rated MSL1, 260 °C per JEDEC J-STD-020

Description

The SMV1247-SMV1255 group of silicon hyperabrupt junction

varactor diodes is designed for use in Voltage Controlled

Oscillators (VCOs) with a low tuning voltage operation. This group

of varactors is characterized for capacitance and resistance over

temperature.

Table 1 describes the various packages and markings of the

SMV1247 to SMV1255 varactors.

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Table 1. Packaging and Marking

Single Single Single Common Anode Common Cathode Common Cathode Single

SC-79

Green™

SOD-323

Green™

SOT-23 SOT-23 SOT-23 SC-70 SOD-882

Green™

♦SMV1247-074

Marking: BF3

♦SMV1247-079LF

Marking: Cathode

SMV1247-011LF

Marking: GF

♦SMV1247-074LF

Green™

Marking: GF3

SMV1247-040LF

Marking: H

SMV1248-079LF

Marking: Cathode

SMV1248-001

Marking: BG1

SMV1248-074

Marking: GG3

SMV1248-001LF

Green™

Marking: GG1

SMV1248-074LF

Green™

Marking: GG3

SMV1248-040LF

Marking: 8

SMV1249-001

Marking: AF1

SMV1249-003

Marking: AF9

SMV1249-004

Marking: AF3

SMV1249-074

Marking: AF3

♦SMV1249-079LF

Marking: Cathode

SMV1249-011LF

Marking: EF

SMV1249-001LF

Green™

Marking: EF1

SMV1249-003LF

Green™

Marking: EF9

SMV1249-004LF

Green™

Marking: EF3

SMV1249-074LF

Green™

Marking: EF3

SMV1249-040LF

Marking: K

SMV1251-004

Marking: AH3

SMV1251-074

Marking: AH3

SMV1251-079LF

Marking: Cathode

SMV1251-011LF

Marking: EH

SMV1251-001LF

Green™

Marking: EH

SMV1251-004LF

Green™

Marking: EH3

SMV1251-074LF

Green™

Marking: EH3

SMV1251-040LF

Marking: EH1

SMV1253-004

Marking: AJ3

SMV1253-040LF

Marking: 3

SMV1253-079LF

Marking: Cathode

SMV1253-011LF

Marking: EJ

SMV1253-004LF

Green™

Marking: EJ3

SMV1255-001

Marking: AK1

SMV1255-040LF

Marking: 4

♦SMV1255-079LF

Marking: Cathode

SMV1255-011LF

Marking: EK

SMV1255-001LF

Green™

Marking: EK1

SMV1255-004LF

Green™

Marking: EK3

LS = 0.7 nH LS = 1.5 nH LS = 1.5 nH LS = 1.5 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.

Innovation to Go™

Select Linear Products (indicated by ♦) now available for purchase online.

Electrical and Mechanical Specifications

The absolute maximum ratings of the SMV1247-SMV1255 group

of 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 SMV1247-SMV1255

varactors are illustrated in Figures 1 through 4.

The SPICE model for the SMV1247-SMV1255 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).

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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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 SMV1247-SMV1255 group 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. SMV1247-SMV1255 Absolute Maximum Ratings

Parameter Symbol Minimum Maximum Units

Reverse voltage VR 15 V

Forward current IF 20 mA

Power dissipation PDIS 250 mW

Operating temperature TOP –55 +125 °C

Storage temperature TSTG –55 +150 °C

Electrostatic Discharge:

Charged Device Model (CDM), Class 4

Human Body Model (HBM), Class 1A

Machine Model (MM), Class A

ESD

1000

250

<50

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. SMV1247-SMV1255 Electrical Specifications (Note 1)

(TOP = 25 °C, Unless Otherwise Noted)

Part Number CT

@ 0.3 V

(pF)

@ 4.7 V

(pF)

@ 1 V

(pF)

@ 3 V

(pF)

CT @ 0.3 V

CT @ 4.7 V

(Ratio)

CT @ 1 V

CT @ 3 V

(Ratio)

RS @ 3 V,

500 MHz

(Ω)

Q @ 3

50 MHz

Min. Typical Typical Max. Typical Typical Min. Typical Typical Max. Typical

SMV1247 6.5 7 0.7 0.78 4.4 0.95 9.5 10.0 4.6 6.0 1500

SMV1248 15.0 17 1.5 1.70 12.3 2.60 10.8 12.0 4.7 3.3 700

SMV1249 28.0 31 2.6 2.80 18.2 3.40 11.0 12.1 5.3 2.2 600

SMV1251 38.0 42 3.4 3.80 28.1 5.80 11.0 12.2 4.8 1.6 400

SMV1253 48.0 53 4.3 4.80 37.0 7.80 11.0 12.3 4.7 1.4 350

SMV1255 58.0 64 5.2 5.80 43.3 8.50 11.0 12.3 5.1 1.3 350

Note 1: Performance is guaranteed only under the conditions listed in this Table.

Reverse voltage VR (IR = 10 μA) = 15 V minimum

Reverse current IR (VR = 12 V) = 20 nA maximum

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Table 4. Capacitance vs Reverse Voltage

(V)

CT (pF)

SMV1247 SMV1248 SMV1249 SMV1251 SMV1253 SMV1255

0 8.86 22.62 37.35 53.65 69.32 81.21

0.5 6.17 16.32 25.88 38.23 50.23 58.28

1.0 4.37 12.33 18.18 28.09 37.07 43.27

1.5 2.96 9.12 12.08 20.13 27.57 31.49

2.0 1.88 6.27 7.27 13.55 19.37 21.50

2.5 1.22 3.93 4.44 8.60 12.39 13.40

3.0 0.95 2.57 3.40 5.78 7.77 8.51

3.5 0.83 1.95 2.96 4.57 5.77 6.51

4.0 0.77 1.71 2.72 3.95 4.86 5.58

4.5 0.73 1.59 2.51 3.58 4.34 5.07

5.0 0.70 1.49 2.38 3.33 4.01 4.76

5.5 0.68 1.44 2.30 3.16 3.78 4.58

6.0 0.67 1.40 2.24 3.03 3.62 4.46

6.5 0.66 1.36 2.19 2.94 3.50 4.39

7.0 0.65 1.33 2.14 2.88 3.41 4.33

7.5 0.64 1.31 2.09 2.83 3.34 4.29

8.0 0.64 1.30 2.03 2.79 3.28 4.26

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Typical Performance Characteristics

Figure 1. Capacitance vs Reverse Voltage

Figure 3. Relative Capacitance Change vs Temperature

Figure 2. Series Resistance vs Reverse Voltage @ 500 MHz

Figure 4. Relative Series Resistance Change vs Temperature

@ 500 MHz

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Figure 5. SPICE Model

Table 5. SPICE Model Parameters

Part Number CJO

(pF)

(V)

M CP

(pF)

(Ω)

SMV1247 8.47 80 70 0.54 4.9

SMV1248 22.12 138 100 0.87 2.4

SMV1249 36.40 80 70 1.68 1.7

SMV1251 52.48 100 76 2.00 1.4

SMV1253 68.30 100 71 2.00 1.1

SMV1255 80.00 135 100 2.74 1.0

Model was designed to fit measured data in the range of up to 4 V

For package inductance (L

S), 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 • SMV1247-SMV1255 VARACTORS

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Figure 6. SC-70 Package Dimensions

Figure 7. SC-70 Tape and Reel Dimensions

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Figure 8. SC-79 Package Dimensions

Figure 9. SC-79 Tape and Reel Dimensions

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Figure 10. SOD-323 Package Dimensions

Figure 11. SOD-323 Tape and Reel Dimensions

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Figure 12. SOD-882 Package Dimensions

Figure 13. SOD-882 Tape and Reel Dimensions

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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Figure 14. SOT-23 Package Dimensions

Figure 15. SOT-23 Tape and Reel Dimensions

DATA SHEET • SMV1247-SMV1255 VARACTORS

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

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