CD17FC621JO3 Capacitors

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Mica and PTFE capacitors are capacitors which use mica and/or PTFE as their base material. One such component is the CD17FC621JO3 capacitor. It is a Texas Instruments component which is commonly used in a variety of applications. In this article, we will discuss the application field and working principle of the CD17FC621JO3 capacitor.

Application Field

The CD17FC621JO3 capacitor is a high-temperature chip capacitor with a rated voltage of 400VAC. It is commonly used in a variety of applications such as:

• Electronics
• DC to DC converters
• AC to AC converters
• Filter networks
• Power factor correction
• Automotive
• Ignition systems
• Starter motors
• Vehicle lights
• Residential/Commercial
• Switched-mode power supplies
• UPS systems
• Security systems
• Industrial
• Motor drives
• Robotics
• Automation systems

In all of these applications, the CD17FC621JO3 capacitor is used to filter out noise or provide a stabilizing capacitance. It is also important in applications which require a large voltage rating, as the capacitor is rated up to 400VAC.

Working Principle

The CD17FC621JO3 capacitor is made up of two parallel plates, separated by a dielectric material. This dielectric material is either mica or PTFE, depending on the type of capacitor being used. When a voltage is applied across the capacitor, the electric field between the plates causes the electrons on the plates to move and create a charge separation. This charge separation creates a potential difference in the plates, which is known as the capacitance.

Mica and PTFE capacitors are valuable components due to their high temperature tolerance and resistance to voltage fluctuations. The CD17FC621JO3 capacitor, in particular, is a reliable component which is suited for many applications. It can withstand temperatures of up to +150°C and can provide stable capacitance values up to 400VAC.

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