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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Description Prix 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
N° de stock RS 890-2588
Référence fabricant1SV285(TPH3,F)
MarqueToshiba
0,115 €
Each (In a Pack of 25)
Unité
Single UHF Band Radio 1 1.85pF 10V - - Surface Mount 1-1G1A 2 1 → 4V 1.2 x 0.8 x 0.6mm 0.6mm 1.2mm
N° de stock RS 165-7447
Référence fabricantBBY5702VH6327XTSA1
MarqueInfineon
0,112 €
Each (On a Reel of 3000)
Unité
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
N° de stock RS 752-7892
Référence fabricantBBY5702VH6327XTSA1
MarqueInfineon
0,099 €
Each (In a Pack of 10)
Unité
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
N° de stock RS 626-1891
Référence fabricantBB135,115
MarqueNXP
0,223 €
Each (In a Pack of 25)
Unité
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
N° de stock RS 179-1056
Référence fabricantBB135,115
MarqueNXP
0,07 €
Each (On a Reel of 3000)
Unité
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
N° de stock RS 145-8825
Référence fabricantBB914E6327HTSA1
MarqueInfineon
0,065 €
Each (On a Reel of 3000)
Unité
Common Cathode FM Radio Tuner 2 17.6pF 18V - 2.28 Surface Mount SOT-23 3 8V 2.9 x 1.3 x 0.9mm 0.9mm 2.9mm
N° de stock RS 626-1879
Référence fabricantBB131,115
MarqueNXP
0,246 €
Each (In a Pack of 25)
Unité
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
N° de stock RS 170-2060
Référence fabricantBB207
MarqueNXP
0,376 €
Each (On a Reel of 3000)
Unité
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
N° de stock RS 145-9549
Référence fabricantBB535E7904HTSA1
MarqueInfineon
0,042 €
Each (On a Reel of 3000)
Unité
Single UHF-TV Tuner 1 1.9pF 30V - 8.2 Surface Mount SOD-323 2 1 → 28V 1.7 x 1.25 x 1mm 1mm 1.7mm
N° de stock RS 791-9576
Référence fabricantSVC236-TB-E
0,413 €
Each (In a Pack of 15)
Unité
Common Cathode Tuner 2 14.44pF 16V 70 5 Surface Mount SOT-23 3 1 to 6.5V 2.9 x 1.5 x 1.1mm 1.1mm 2.9mm
N° de stock RS 166-1005
Référence fabricantBB639CE7904HTSA1
MarqueInfineon
0,088 €
Each (On a Reel of 3000)
Unité
Single Tuner 1 2.4pF 30V - 9.5 Surface Mount SOD-323 2 - 1.7 x 1.25 x 0.85mm 0.85mm 1.7mm
N° de stock RS 178-7396
Référence fabricantBB814E6327GR1HTSA1
MarqueInfineon
0,096 €
Each (On a Reel of 3000)
Unité
Common Cathode Tuner 2 43pF 18V 200 2.05 Surface Mount SOT-23 3 2 → 8V 2.9 x 1.3 x 0.9mm 0.9mm 2.9mm
N° de stock RS 791-9572
Référence fabricantSVC230-TB-E
0,099 €
Each (In a Pack of 20)
Unité
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
N° de stock RS 626-2046
Référence fabricantBB207
MarqueNXP
0,30 €
Each (In a Pack of 10)
Unité
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
N° de stock RS 752-7899
Référence fabricantBBY5302VH6327XTSA1
MarqueInfineon
0,273 €
Each (In a Pack of 10)
Unité
Single VCO 1 1.85pF 6V - 1.8 Surface Mount SC-79 2 1 → 3V 1.2 x 0.8 x 0.55mm 0.55mm 1.2mm
N° de stock RS 826-9005
Référence fabricantBB914E6327HTSA1
MarqueInfineon
0,066 €
Each (In a Pack of 100)
Unité
Common Cathode FM Radio Tuner 2 17.6pF 18V - 2.28 Surface Mount SOT-23 3 8V 2.9 x 1.3 x 0.9mm 0.9mm 2.9mm
N° de stock RS 179-1058
Référence fabricantBB202,115
MarqueNXP
0,212 €
Each (On a Reel of 3000)
Unité
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
N° de stock RS 626-1958
Référence fabricantBB156,115
MarqueNXP
0,714 €
Each (In a Pack of 10)
Unité
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
N° de stock RS 791-9591
Référence fabricantSVC704-TL-E
0,11 €
Each (On a Tape of 20)
Unité
Single VCO 1 3.4pF 16V - 6 Surface Mount MCPH 3 1 → 7V 2 x 1.6 x 0.85mm 0.85mm 2mm
N° de stock RS 826-9314
Référence fabricantBB814E6327GR1HTSA1
MarqueInfineon
0,155 €
Each (In a Pack of 100)
Unité
Common Cathode Tuner 2 43pF 18V 200 2.05 Surface Mount SOT-23 3 2 → 8V 2.9 x 1.3 x 0.9mm 0.9mm 2.9mm