CDS19FD391JO3

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Mica and PTFE capacitors are widely used in electronics applications today. The CDS19FD391JO3 is a two-wire AC-operated, high voltage ceramic and PET film capacitors with a rated voltage of 500 volts AC. It can be used in a variety of applications, including feedthrough and bypass capacitors for AC and DC voltage systems, radio frequency circuits, and for suppressing transient voltage changes in power supplies. Let’s take a look at the application field and working principle of the CDS19FD391JO3.

Application Field of the CDS19FD391JO3

Mica and PTFE capacitors such as the CDS19FD391JO3 are widely used in high voltage circuits and power supplies. These capacitors provide stable power supply and reduce current surge in highly sensitive electronic systems. The CDS19FD391JO3 can also be used in applications where smaller size components are necessary due to space restrictions. It can be used for bypass and feedthrough circuits, for the suppression of transients in inverters, motor controllers, welding and hot plugging equipment, and for noise suppression in broadcast and communication systems.

Working Principle of the CDS19FD391JO3

The CDS19FD391JO3 capacitor works by storing energy in a dielectric material in a capacitor. The dielectric material used in this capacitor is Mica, which is a naturally occurring mineral composed of silica and aluminum oxide layers. Mica has excellent dielectric properties and high mechanical strength, making it an excellent choice for this application. The PET inner film ensures an even volt-time distribution for high voltage applications.

The capacitor works by storing a fixed charge and allowing a current flow when activated. The current is generated when the capacitor is connected to a voltage source, which causes the dielectric material to become polarized and creates an electric field between the two plates of the capacitor. This field is then used to generate a current, which can be used for a variety of different applications.

There are two types of operating modes available for the CDS19FD391JO3. The first is called the low-frequency operation, which is used when the frequency is below 3.5 kHz. This mode provides an ideal operating range for noise suppression, feed-through, and power feed circuits where better voltage regulation is needed. The second mode is the high-frequency operation, which is used for frequencies above 5 kHz. This mode provides a broader operating range and improved EMI performance.

The CDS19FD391JO3 capacitor has a high repetitive peak voltage rating and is generally suitable for high-frequency applications. It is available with a variety of termination and mounting options, so it can be adapted to fit any space requirements. It is also RoHS compliant, ensuring that it is environmentally friendly.

Conclusion

The CDS19FD391JO3 mica and PTFE capacitor is a great choice for high voltage applications. Its design ensures a stable power supply and a low frequency operation for noise suppression and feed-through circuits. The high-frequency operation is suitable for applications where EMI performance is of importance. It is also RoHS compliant, ensuring that it is environmentally friendly. It is a great choice for those looking for a reliable and efficient capacitor for their applications.

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