CD17FD121JO3F

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Mica and PTFE capacitors are widely used in many modern electronic applications. The CD17FD121JO3F is a type of capacitor which uses mica and polytetrafluoroethylene (PTFE) as the dielectrics to store large capacitance values in a relatively small package. The CD17FD121JO3F can be especially useful in applications that require high voltage or high capacitance.

The CD17FD121JO3F is a double-sided, non-inductive disc capacitor. It has a maximum voltage rating of 1.8kV and a capacitance range of 0.0025 to 0.0351 uF. The capacitor is constructed with a metalized PTFE (polytetrafluoroethylene) dielectric, sandwiched by two copper foil electrodes placed on top and bottom of the capacitor. The whole unit is packaged in a hermetic TO-18 metal can, which provides protection from outside contaminants such as dust, oil, and moisture.

The working principle of the CD17FD121JO3F is relatively straightforward. When a charge is applied to the capacitor, a small electric field is created between the plates. This electric field drives ions of opposite charge to each of the capacitors plates, creating an electric dipole. The dipole then stores energy until the capacitor is discharged, allowing the electric field to collapse and the stored energy to be released.

The most typical application of the CD17FD121JO3F is in filter circuits, such as power supplies or switch-mode power supplies, where its combination of high voltage and high capacitance rating makes it ideal. It can also be used in high-voltage RF applications such as RF amplifiers, oscillators, mixers and antennas. Other applications include timing, coupling, decoupling, bypassing and noise filtering.

The CD17FD121JO3F mica and PTFE capacitor is a reliable and versatile component which can be used in a wide range of electronic applications. Its combination of high voltage rating and high capacitance rating, combined with its hermetically sealed package, make it a great choice for applications requiring a reliable source of high capacitance at a moderate voltage.

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