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. 626-1891
FabrikantnummerBB135,115
FabrikantNXP
0,223 €
Each (In a Pack of 25)
Aantal stuks
Single Tuner, VCO 1 17.5pF 30V - 8.9 Surface Mount SOD-323 2 0.5 to 28V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
RS-stocknr. 179-1056
FabrikantnummerBB135,115
FabrikantNXP
0,07 €
Each (On a Reel of 3000)
Aantal stuks
Single Tuner, VCO 1 17.5pF 30V - 8.9 Surface Mount SOD-323 2 0.5 → 28V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
RS-stocknr. 626-1958
FabrikantnummerBB156,115
FabrikantNXP
0,714 €
Each (In a Pack of 10)
Aantal stuks
Single VCO 1 14.4pF 10V - 2.7 Surface Mount SOD-323 2 1 to 7.5V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
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. 166-0534
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. 166-1216
FabrikantnummerBBY40,215
FabrikantNXP
0,113 €
Each (On a Reel of 3000)
Aantal stuks
Single Tuner 1 26pF 30V - 5 Surface Mount SOT-23 (TO-236AB) 3 3 → 25V 3 x 1.4 x 1mm 1mm 3mm
RS-stocknr. 170-2060
FabrikantnummerBB207
FabrikantNXP
0,376 €
Each (On a Reel of 3000)
Aantal stuks
Common Cathode Tuner 2 76pF 15V - 2.6 Surface Mount SOT-23 (TO-236AB) 3 1 → 7.5V 3 x 1.4 x 1mm 1mm 3mm
RS-stocknr. 626-1879
FabrikantnummerBB131,115
FabrikantNXP
0,246 €
Each (In a Pack of 25)
Aantal stuks
Single Tuner, VCO 1 8pF 30V - 12 Surface Mount SOD-323 2 0.5 to 28V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
RS-stocknr. 626-2046
FabrikantnummerBB207
FabrikantNXP
0,30 €
Each (In a Pack of 10)
Aantal stuks
Common Cathode Tuner 2 76pF 15V - 2.6 Surface Mount SOT-23 (TO-236AB) 3 1 → 7.5V 3 x 1.4 x 1mm 1mm 3mm
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. 166-0382
FabrikantnummerBB131,115
FabrikantNXP
0,079 €
Each (On a Reel of 3000)
Aantal stuks
Single Tuner, VCO 1 8pF 30V - 12 Surface Mount SOD-323 2 0.5 → 28V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
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. 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. 626-2080
FabrikantnummerBB208-03,115
FabrikantNXP
0,385 €
Each (In a Pack of 10)
Aantal stuks
Single TCXO, Tune, VCXO 1 19.9pF 10V - 3.7 Surface Mount SOD-323 2 1 to 7.5V 1.8 x 1.35 x 1.05mm 1.05mm 1.8mm
RS-stocknr. 436-7874
FabrikantnummerBBY40,215
FabrikantNXP
0,32 €
Each (In a Pack of 10)
Aantal stuks
Single Tuner 1 26pF 30V - 5 Surface Mount SOT-23 (TO-236AB) 3 3 → 25V 3 x 1.4 x 1mm 1mm 3mm
RS-stocknr. 179-1058
FabrikantnummerBB202,115
FabrikantNXP
0,212 €
Each (On a Reel of 3000)
Aantal stuks
Single Tuner, VCO 1 28.2pF 6V - 2.5 Surface Mount SOD-523 2 0.2 → 2.3V 1.25 x 0.85 x 0.65mm 0.65mm 1.25mm
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