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. 436-7874
FabrikantnummerBBY40,215
FabrikantNXP
€ 0,084
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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. 166-1216
FabrikantnummerBBY40,215
FabrikantNXP
€ 0,081
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. 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. 178-7399
FabrikantnummerBB837E6327HTSA1
FabrikantInfineon
€ 0,144
Each (On a Reel of 3000)
Aantal stuks
Single Tuner 1 6pF 30V - 10.2 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 0.9mm 0.9mm 1.7mm
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. 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. 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. 166-0382
FabrikantnummerBB131,115
FabrikantNXP
€ 0,083
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. 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. 826-9373
FabrikantnummerBB837E6327HTSA1
FabrikantInfineon
€ 0,202
Each (In a Pack of 100)
Aantal stuks
Single Tuner 1 6pF 30V - 10.2 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 0.9mm 0.9mm 1.7mm
RS-stocknr. 166-1176
FabrikantnummerBB640E6327HTSA1
FabrikantInfineon
€ 0,097
Each (On a Reel of 3000)
Aantal stuks
Single Tuner 1 62pF 30V - 19.5 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 0.9mm 0.9mm 1.7mm
RS-stocknr. 505-8521
FabrikantnummerBB640E6327HTSA1
FabrikantInfineon
€ 0,348
Each (In a Pack of 20)
Aantal stuks
Single Tuner 1 62pF 30V - 19.5 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 0.9mm 0.9mm 1.7mm
RS-stocknr. 653-1415
FabrikantnummerBB639E7904HTSA1
FabrikantInfineon
€ 0,297
Each (In a Pack of 10)
Aantal stuks
Single Tuner 1 36pF 30V - 13.5 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 1.05mm 1.05mm 1.7mm
RS-stocknr. 165-7472
FabrikantnummerBB639E7904HTSA1
FabrikantInfineon
€ 0,043
Each (On a Reel of 3000)
Aantal stuks
Single Tuner 1 36pF 30V - 13.5 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 1.05mm 1.05mm 1.7mm
RS-stocknr. 162-9645
FabrikantnummerSVC230-TB-E
Fabrikantonsemi
€ 0,096
Each (On a Reel of 3000)
Aantal stuks
Common Cathode Tuner 2 25.1pF 16V 100 1.65 Surface Mount SOT-23 3 2 → 8V 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
Nieuw
RS-stocknr. 218-6282
FabrikantnummerBBY5502VH6327XTSA1
FabrikantInfineon
€ 0,143
Each (In a Pack of 50)
Aantal stuks
Single - 1 6pF 16V - - - SC79 2 - - - -
RS-stocknr. 791-9572
FabrikantnummerSVC230-TB-E
Fabrikantonsemi
€ 0,099
Each (In a Pack of 20)
Aantal stuks
Common Cathode Tuner 2 25.1pF 16V 100 1.65 Surface Mount SOT-23 3 2 to 8V 2.9 x 1.5 x 1.1mm 1.1mm 2.9mm
RS-stocknr. 166-0356
FabrikantnummerBB181,115
FabrikantNXP
€ 0,083
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. 162-9647
FabrikantnummerSVC236-TB-E
Fabrikantonsemi
€ 0,208
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