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 Price 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庫存編號 179-1056
製造零件編號BB135,115
BrandNXP
TWD4.40
個 (在毎卷:3000)
單位
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庫存編號 626-1891
製造零件編號BB135,115
BrandNXP
TWD12.10
/個 (每包:25個)
單位
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庫存編號 890-2588
製造零件編號1SV285(TPH3,F)
BrandToshiba
TWD4.70
/個 (每包:25個)
單位
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庫存編號 791-9591
製造零件編號SVC704-TL-E
TWD15.50
Each (On a Tape of 20)
單位
Single VCO 1 3.4pF 16V - 6 Surface Mount MCPH 3 1 → 7V 2 x 1.6 x 0.85mm 0.85mm 2mm
RS庫存編號 162-9645
製造零件編號SVC230-TB-E
TWD5.00
個 (在毎卷:3000)
單位
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庫存編號 162-9647
製造零件編號SVC236-TB-E
TWD7.40
個 (在毎卷:3000)
單位
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庫存編號 826-9377
製造零件編號BBY5303WE6327HTSA1
BrandInfineon
TWD6.70
/個 (每包:100個)
單位
Single Tuner, VCO 1 4.8pF 6V - 1.8 Surface Mount SOD-323 2 1 → 3V 1.7 x 1.25 x 0.9mm 0.9mm 1.7mm
RS庫存編號 166-0534
製造零件編號BB208-03,115
BrandNXP
TWD12.10
個 (在毎卷:3000)
單位
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庫存編號 170-2060
製造零件編號BB207
BrandNXP
TWD10.10
個 (在毎卷:3000)
單位
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庫存編號 165-7447
製造零件編號BBY5702VH6327XTSA1
BrandInfineon
TWD4.70
個 (在毎卷:3000)
單位
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庫存編號 165-7472
製造零件編號BB639E7904HTSA1
BrandInfineon
TWD1.60
個 (在毎卷:3000)
單位
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庫存編號 892-2393
製造零件編號BB535E7904HTSA1
BrandInfineon
TWD4.50
/個 (每包:120個)
單位
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庫存編號 161-1535
製造零件編號5.0SMDJ26A
BrandBourns
TWD56.00
/個 (每包:5個)
單位
Single - 1 - 26V - - Surface Mount DO-214AB (SMC) 2 - 7.11 x 6.22 x 2.31mm 2.31mm 7.11mm
RS庫存編號 436-7874
製造零件編號BBY40,215
BrandNXP
TWD10.70
/個 (每包:10個)
單位
Single Tuner 1 26pF 30V - 5 Surface Mount SOT-23 (TO-236AB) 3 3 → 25V 3 x 1.4 x 1mm 1mm 3mm
RS庫存編號 110-9106
製造零件編號BB439E6327HTSA1
BrandInfineon
TWD19.30
Each (On a Tape of 40)
單位
Single Tuner 1 4.3pF 28V - 5 Surface Mount SOD-323 2 - 1.7 x 1.25 x 0.85mm 0.85mm 1.7mm
RS庫存編號 791-9576
製造零件編號SVC236-TB-E
TWD18.80
/個 (每包:15個)
單位
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
RS庫存編號 124-5433
製造零件編號SVC704-TL-E
TWD6.10
個 (在毎卷:3000)
單位
Single VCO 1 3.4pF 16V - 6 Surface Mount MCPH 3 1 → 7V 2 x 1.6 x 0.85mm 0.85mm 2mm
RS庫存編號 626-1879
製造零件編號BB131,115
BrandNXP
TWD10.40
/個 (每包:25個)
單位
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庫存編號 823-5655
製造零件編號BB857H7902XTSA1
BrandInfineon
TWD6.90
/個 (每包:25個)
單位
Single SAT Tuners - - 30V - - Surface Mount SCD-80 2 - 1.3 x 0.8 x 0.7 (With Pin)mm 0.7mm 1.3mm
RS庫存編號 165-7448
製造零件編號BBY5302VH6327XTSA1
BrandInfineon
TWD4.10
個 (在毎卷:3000)
單位
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