Varactor Diodes

Varactor Diode are a semiconductor diode that is is utilised in RF tuning to circuits voltage-controlled variable capacitance. This type of diode can be used in a multitude of areas where a capacitance level needs to be controlled by a voltage.

How does a varactor diode work?

In order to achieve a specific variance in capacitance, this type of diode works with the different region types of a capacitor known as P-type and N-type. These types can be manipulated to give out higher depletion sizes or narrowed and decreased in size, this will give you the variable capacitance you wish out of the device.

Varactor diodes can also provide analogue control of voltage and can also alongside digitally generated voltage in microprocessors. an ADC can then be utilised to convert from analogue voltage to control the diode.

Where are varactor diodes used?

Varactor diodes have a range of application use such as;

  • Satellites
  • TV tuning
  • DVD devices
  • RF Tuning
  • Frequency synthesizers

...
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Omschrijving Prijs Diode Configuration Application Number of Elements per Chip Minimum Diode Capacitance Maximum Reverse Voltage Minimum Quality Factor Minimum Tuning Ratio Mounting Type Package Type Pin Count Tuning Ratio Test Condition Dimensions Height Length
RS-stocknr. 626-1992
FabrikantnummerBB181,115
FabrikantNXP
€ 0,246
Each (In a Pack of 30)
Aantal stuks
Single Tuner, VCO 1 8pF 30V - 12 Surface Mount SOD-523 2 0.5 to 28V 1.25 x 0.85 x 0.65mm 0.65mm 1.25mm
RS-stocknr. 161-1535
Fabrikantnummer5.0SMDJ26A
FabrikantBourns
€ 1,398
Each (In a Pack of 5)
Aantal stuks
Single - 1 - 26V - - Surface Mount DO-214AB (SMC) 2 - 7.11 x 6.22 x 2.31mm 2.31mm 7.11mm
RS-stocknr. 752-7892
FabrikantnummerBBY5702VH6327XTSA1
FabrikantInfineon
€ 0,099
Each (In a Pack of 10)
Aantal stuks
Single VCO 1 4pF 10V - 3 Surface Mount SC-79 2 1 → 4V 1.2 x 0.8 x 0.55mm 0.55mm 1.2mm
RS-stocknr. 165-7447
FabrikantnummerBBY5702VH6327XTSA1
FabrikantInfineon
€ 0,112
Each (On a Reel of 3000)
Aantal stuks
Single VCO 1 4pF 10V - 3 Surface Mount SC-79 2 1 → 4V 1.2 x 0.8 x 0.55mm 0.55mm 1.2mm
RS-stocknr. 890-2579
Fabrikantnummer1SV229(TPH3,F)
FabrikantToshiba
€ 0,206
Each (In a Pack of 25)
Aantal stuks
Single - 1 - - - - Surface Mount SOD-323 2 - 1.7 x 1.25 x 0.9mm 0.9mm 1.7mm
RS-stocknr. 162-9647
FabrikantnummerSVC236-TB-E
FabrikantON Semiconductor
€ 0,185
Each (On a Reel of 3000)
Aantal stuks
Common Cathode Tuner 2 14.44pF 16V 70 5 Surface Mount SOT-23 3 1 → 6.5V 2.9 x 1.5 x 1.1mm 1.1mm 2.9mm
RS-stocknr. 626-1914
FabrikantnummerBB145B,115
FabrikantNXP
€ 0,111
Each (In a Pack of 20)
Aantal stuks
Single VCO 1 6.4pF 6V - 2 Surface Mount SOD-523 2 1 to 4V 1.25 x 0.85 x 0.65mm 0.65mm 1.25mm
RS-stocknr. 124-5433
FabrikantnummerSVC704-TL-E
FabrikantON Semiconductor
€ 0,104
Each (On a Reel of 3000)
Aantal stuks
Single VCO 1 3.4pF 16V - 6 Surface Mount MCPH 3 1 → 7V 2 x 1.6 x 0.85mm 0.85mm 2mm
Nieuw
RS-stocknr. 218-6282
FabrikantnummerBBY5502VH6327XTSA1
FabrikantInfineon
€ 0,123
Each (In a Pack of 50)
Aantal stuks
Single - 1 6pF 16V - - - SC79 2 - - - -
RS-stocknr. 626-2074
FabrikantnummerBB202,115
FabrikantNXP
€ 0,485
Each (In a Pack of 10)
Aantal stuks
Single Tuner, VCO 1 28.2pF 6V - 2.5 Surface Mount SOD-523 2 0.2 to 2.3V 1.25 x 0.85 x 0.65mm 0.65mm 1.25mm
RS-stocknr. 166-0399
FabrikantnummerBB145B,115
FabrikantNXP
€ 0,139
Each (On a Reel of 3000)
Aantal stuks
Single VCO 1 6.4pF 6V - 2 Surface Mount SOD-523 2 1 → 4V 1.25 x 0.85 x 0.65mm 0.65mm 1.25mm
RS-stocknr. 166-0534
FabrikantnummerBB208-03,115
FabrikantNXP
€ 0,154
Each (On a Reel of 3000)
Aantal stuks
Single TCXO, Tune, VCXO 1 19.9pF 10V - 3.7 Surface Mount SOD-323 2 1 → 7.5V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
RS-stocknr. 166-0356
FabrikantnummerBB181,115
FabrikantNXP
€ 0,079
Each (On a Reel of 3000)
Aantal stuks
Single Tuner, VCO 1 8pF 30V - 12 Surface Mount SOD-523 2 0.5 → 28V 1.25 x 0.85 x 0.65mm 0.65mm 1.25mm
RS-stocknr. 145-9418
FabrikantnummerBB439E6327HTSA1
FabrikantInfineon
€ 0,202
Each (On a Reel of 3000)
Aantal stuks
Single Tuner 1 4.3pF 28V - 5 Surface Mount SOD-323 2 - 1.7 x 1.25 x 0.85mm 0.85mm 1.7mm