Varactor Diodes

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Part RoHS Manufacturer Diode Type Terminal Position Terminal Form No. of Terminals Surface Mount Package Shape Minimum Quality Factor Package Body Material Config Variable Capacitance Diode Classification Frequency Band Maximum Output Current Maximum Forward Voltage (VF) Maximum Reverse Recovery Time Maximum Reverse Current No. of Elements Reverse Test Voltage Package Style (Meter) Sub-Category Maximum Repetitive Peak Reverse Voltage Maximum Operating Temperature Minimum Operating Temperature Terminal Finish JESD-30 Code Moisture Sensitivity Level (MSL) Case Connection Qualification Maximum Power Dissipation Nominal Diode Capacitance Additional Features JEDEC-95 Code Diode Cap Tolerance Minimum Breakdown Voltage Maximum Non Repetitive Peak Forward Current JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Diode Element Material Minimum Diode Capacitance Ratio Reference Standard

MDX594M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

5

Varactors

6 V

.8 pF

TIV306

Texas Instruments

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

200

CERAMIC, GLASS-SEALED

SINGLE

1

LONG FORM

Varactors

20 V

O-GALF-W2

ISOLATED

Not Qualified

.25 W

7 pF

DO-35

20 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

2.2

MDX599M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

30

Varactors

6 V

.8 pF

MDX592M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

25

Varactors

6 V

.45 pF

MDX641

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

66

Varactors

12 V

.9 pF

MDX589N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

10

Varactors

6 V

.45 pF

MDX596N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

15

Varactors

6 V

.8 pF

MDX585C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

10

Varactors

6 V

.225 pF

MDX643

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

200

Varactors

12 V

.9 pF

MDX584N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

45

Varactors

6 V

.1 pF

MDX599C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

30

Varactors

6 V

.8 pF

MDX642

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

133

Varactors

12 V

.9 pF

MDX585D

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

10

Varactors

6 V

.225 pF

MDX591C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

20

Varactors

6 V

.45 pF

MDX640

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

33

Varactors

12 V

.9 pF

MDX589C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

10

Varactors

6 V

.45 pF

MDX584M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

45

Varactors

6 V

.1 pF

MDX591N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

20

Varactors

6 V

.45 pF

TIV24

Texas Instruments

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

80

CERAMIC, GLASS-SEALED

SINGLE

VERY HIGH FREQUENCY

1

LONG FORM

Varactors

30 V

O-GALF-W2

ISOLATED

Not Qualified

.25 W

28 pF

AVAILABLE IN MATCHED SETS

DO-34

30 V

SILICON

3.5

MDX590N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

15

Varactors

6 V

.45 pF

MDX593C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

30

Varactors

6 V

.45 pF

MDX596M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

15

Varactors

6 V

.8 pF

MDX590D

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

15

Varactors

6 V

.45 pF

MDX583N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

35

Varactors

6 V

.1 pF

MDX581M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

25

Varactors

6 V

.1 pF

TIV307

Texas Instruments

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

200

CERAMIC, GLASS-SEALED

SINGLE

1

LONG FORM

Varactors

20 V

O-GALF-W2

ISOLATED

Not Qualified

.25 W

9 pF

DO-35

20 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

2.3

MDX583D

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

35

Varactors

6 V

.1 pF

MDX594D

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

5

Varactors

6 V

.8 pF

MDX581C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

25

Varactors

6 V

.1 pF

MDX580C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

20

Varactors

6 V

.1 pF

MDX588C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

30

Varactors

6 V

.225 pF

MDX582M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

30

Varactors

6 V

.1 pF

MDX595C

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

10

Varactors

6 V

.8 pF

MDX597M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

20

Varactors

6 V

.8 pF

MDX598N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

25

Varactors

6 V

.8 pF

MDX587M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

25

Varactors

6 V

.225 pF

MDX588M

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

30

Varactors

6 V

.225 pF

MDX585N

Texas Instruments

VARIABLE CAPACITANCE DIODE

YES

10

Varactors

6 V

.225 pF

1N5446ARL

Onsemi

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

350

GLASS

SINGLE

ABRUPT

ULTRA HIGH FREQUENCY

1

LONG FORM

O-LALF-W2

ISOLATED

Not Qualified

.4 W

18 pF

DO-204AA

10 %

30 V

SILICON

2.6

1N5447

Onsemi

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

350

GLASS

SINGLE

ABRUPT

.00000002 uA

1

25 V

LONG FORM

Varactors

30 V

175 Cel

-65 Cel

TIN LEAD

O-LALF-W2

ISOLATED

Not Qualified

.4 W

20 pF

DO-7

20 %

30 V

e0

SILICON

2.6

MMVL535T1

Onsemi

VARIABLE CAPACITANCE DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

ULTRA HIGH FREQUENCY

1

SMALL OUTLINE

Varactors

15 V

TIN LEAD

R-PDSO-G2

Not Qualified

18.7 pF

6.67 %

e0

SILICON

2.6

SVC230

Onsemi

VARIABLE CAPACITANCE DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

100

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

ABRUPT

VERY HIGH FREQUENCY

.05 uA

2

10 V

SMALL OUTLINE

16 V

125 Cel

R-PDSO-G3

45.25 pF

2.76 %

16 V

SILICON

1.65

MMBV809LT3G

Onsemi

VARIABLE CAPACITANCE DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

75

PLASTIC/EPOXY

SINGLE

HYPERABRUPT

ULTRA HIGH FREQUENCY

1

SMALL OUTLINE

Varactors

20 V

TIN

R-PDSO-G3

1

Not Qualified

.225 W

5.3 pF

HIGH RELIABILITY

TO-236AB

15.09 %

20 V

e3

260

SILICON

1.8

SVC321C

Onsemi

VARIABLE CAPACITANCE DIODE

BOTTOM

THROUGH-HOLE

2

NO

ROUND

200

PLASTIC/EPOXY

SINGLE

.1 uA

1

9 V

CYLINDRICAL

16 V

100 Cel

O-PBCY-T2

3 %

16 V

SILICON

15.5

MV1648

Onsemi

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

SINGLE

1

LONG FORM

O-LALF-W2

ISOLATED

Not Qualified

.4 W

82 pF

DO-204AA

10 %

20 V

SILICON

2

LV2209RLRE

Onsemi

VARIABLE CAPACITANCE DIODE

BOTTOM

THROUGH-HOLE

2

NO

ROUND

200

PLASTIC/EPOXY

SINGLE

1

CYLINDRICAL

150 Cel

TIN LEAD

O-PBCY-T2

Not Qualified

.28 W

33 pF

HIGH RELIABILITY

TO-92

10 %

25 V

e0

SILICON

2.5

1N5473

Onsemi

VARIABLE CAPACITANCE DIODE

AXIAL

WIRE

2

NO

ROUND

300

GLASS

SINGLE

ABRUPT

.00000002 uA

1

25 V

LONG FORM

Varactors

30 V

175 Cel

-65 Cel

TIN LEAD

O-LALF-W2

ISOLATED

Not Qualified

.4 W

56 pF

DO-7

20 %

30 V

e0

SILICON

2.9

MV2109RLRP

Onsemi

VARIABLE CAPACITANCE DIODE

BOTTOM

THROUGH-HOLE

2

NO

ROUND

200

PLASTIC/EPOXY

SINGLE

ABRUPT

HIGH FREQUENCY TO ULTRA HIGH FREQUENCY

1

CYLINDRICAL

Varactors

30 V

TIN LEAD

O-PBCY-T2

Not Qualified

.28 W

33 pF

HIGH RELIABILITY

TO-92

10 %

30 V

e0

235

SILICON

2.5

Varactor Diodes

Varactor diodes are electronic components that are used in electronic circuits as voltage-controlled capacitors. They are also known as varicap diodes or tuning diodes.

Varactor diodes operate based on the properties of their P-N junction, which acts as a variable capacitor when the diode is reverse-biased. When a voltage is applied to the diode, the width of the depletion region changes, causing the capacitance of the diode to vary. By changing the applied voltage, the capacitance of the diode can be tuned to a specific value, making it ideal for frequency tuning in electronic circuits.

Varactor diodes are commonly used in electronic circuits that require tunable frequency response, such as voltage-controlled oscillators, phase-locked loops, and frequency synthesizers. They offer several advantages over other types of components, such as high linearity, low noise, and low power consumption.

Varactor diodes come in different package sizes and capacitance ratings, depending on the application and the required performance. They can be integrated into a circuit board or mounted in a separate enclosure, depending on the application and the space available.