CD30FC273FO3

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Mica and PTFE capacitors, most notably the CD30FC273FO3 type, are used for many different electrical applications. These capacitors have a high voltage rating, wide operating temperature range, high frequency response and low equivalent series resistance (ESR). They are also relatively stable over time.

The CD30FC273FO3 is a high-reliability capacitor constructed with a mica dielectric and PTFE (polytetrafluoroethylene) external terminals. The mica dielectric has a relatively high permittivity, and as such, provides an extremely high capacitance value in a reasonably small package size. This, coupled with the high and low-temperature rated temperature range, makes them ideal for applications in extreme environmental conditions. Alongside the environmental benefits, mica capacitors provide a high-frequency response with low ESR, making them suitable for audio applications, such as in filters and for frequency discrimination. Additionally, the long-term stability of mica capacitors allows them to be used in control and timing circuits where high precision is necessary.

Working principle of the CD30FC273FO3 capacitor is quite simple. When voltage is applied across the terminals of a capacitor, it creates an electric field. The magnitude of this electric field depends on the resistance of the dielectric material, the distance between the two opposing plates and the capacitance of the capacitor. This electric field is what charges the capacitor plates and generates a current within the capacitor. The amount of current depends on the voltage and the capacitance value. If the resistance of the dielectric material is very low, the capacitance of the capacitor increases. This makes the capacitors suitable for applications where a high capacitance value is required.

Overall, the CD30FC273FO3 capacitor is well-suited for many different electrical applications. The combination of its high-performance, low temperature range, high frequency response and long-term stability make it an ideal choice for many applications. Its relatively simple working principle also gives it the flexibility to be used in many different types of applications.

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