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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제품설명 단가 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 제품 번호 823-5655
제조사 부품 번호BB857H7902XTSA1
제조사Infineon
₩299.15
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Single SAT Tuners - - 30V - - Surface Mount SCD-80 2 - 1.3 x 0.8 x 0.7 (With Pin)mm 0.7mm 1.3mm
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제조사Infineon
₩226.30
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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
RS 제품 번호 626-1879
제조사 부품 번호BB131,115
제조사NXP
₩426.25
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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 제품 번호 161-1528
제조사 부품 번호5.0SMDJ26A
제조사Bourns
₩1,061.75
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Single - 1 - 26V - - Surface Mount DO-214AB (SMC) 2 - 7.11 x 6.22 x 2.31mm 2.31mm 7.11mm
RS 제품 번호 145-9549
제조사 부품 번호BB535E7904HTSA1
제조사Infineon
₩89.90
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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
RS 제품 번호 162-9645
제조사 부품 번호SVC230-TB-E
제조사ON Semiconductor
₩232.50
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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 제품 번호 165-7472
제조사 부품 번호BB639E7904HTSA1
제조사Infineon
₩99.20
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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 제품 번호 178-7396
제조사 부품 번호BB814E6327GR1HTSA1
제조사Infineon
₩156.55
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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
RS 제품 번호 145-8825
제조사 부품 번호BB914E6327HTSA1
제조사Infineon
₩339.45
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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
RS 제품 번호 826-9373
제조사 부품 번호BB837E6327HTSA1
제조사Infineon
₩399.90
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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 제품 번호 653-1415
제조사 부품 번호BB639E7904HTSA1
제조사Infineon
₩373.55
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RS 제품 번호 165-7447
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제조사Infineon
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제조사 부품 번호BB181,115
제조사NXP
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RS 제품 번호 890-2588
제조사 부품 번호1SV285(TPH3,F)
제조사Toshiba
₩196.85
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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
RS 제품 번호 626-1958
제조사 부품 번호BB156,115
제조사NXP
₩706.80
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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 제품 번호 166-0399
제조사 부품 번호BB145B,115
제조사NXP
₩175.15
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제조사Infineon
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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 제품 번호 162-9647
제조사 부품 번호SVC236-TB-E
제조사ON Semiconductor
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RS 제품 번호 626-2080
제조사 부품 번호BB208-03,115
제조사NXP
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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 제품 번호 166-0534
제조사 부품 번호BB208-03,115
제조사NXP
₩497.55
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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