Varactor diode is a semiconductor device with voltage-dependent capacitance used for electronic tuning in voltage-controlled oscillators.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Q Factor | 50-200 at 1 MHz | |
| Package Type | SMD (e.g., SOD-323, SOT-23) | |
| Tuning Ratio | 2:1 to 10:1 | |
| Reverse Voltage | 1-30 V | |
| Capacitance Range | 1-100 pF | |
| Operating Temperature | -55°C to +125°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
An electronic oscillator whose oscillation frequency is controlled by an input voltage.
An electronic circuit that naturally oscillates at a specific resonant frequency determined by its inductance and capacitance components.
An electronic oscillator whose oscillation frequency is controlled by an input voltage.
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It provides voltage-dependent capacitance to electronically adjust the oscillator's frequency, enabling stable and tunable signal generation.
Increasing reverse voltage widens the depletion region, reducing capacitance, which allows precise frequency control in tuning applications.
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