ECW-FD2W105JB

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Film capacitors, also known as plastic dielectric capacitors, consist mainly of an insulating film usually made of polyester, polypropylene, or polycarbonate. The ECW-FD2W105JB is one such film capacitor and it is used in a wide range of applications. Its capacitance value, stability, self-healing characteristics, and low dielectric absorption makes it suitable for a variety of applications. This article will discuss the application field and working principle of the ECW-FD2W105JB.

Specifications

The ECW-FD2W105JB is a 100 nF film capacitor with a 5 % tolerance. It has a rated voltage of 200 VDC and a temperature range of -55 – +105°C. It is a radial-leaded component with a diameter of 14 mm and a height of 8 mm. It has a self-healing feature, which allows the capacitor to automatically reconfigure itself when exposed to an overload.

Applications

The ECW-FD2W105JB is primarily used in the following applications:

• Filtering
• Power Supplies
• DC-DC Converters
• DC-AC Inverters
• Lighting Ballasts
• Motors and Servos
• Switch Mode Power Supply (SMPS) circuits

The wide operating temperature range and low dielectric absorption, in combination with high ripple resistance and high stability, makes the ECW-FD2W105JB suitable for use in a wide variety of power supply circuits.

Working Principle

Film capacitors work on the principle of dielectric polarization. When an electric field is applied, polar molecules in the film become aligned toward the electric field and this creates an electric dipole, or two poles of opposing charges. The polarization of the molecules due to the electric field results in a change in the electrical properties of the dielectric film, which further influences the capacitance of the capacitor.

The ECW-FD2W105JB has a dielectric film that is capable of self-healing in response to an overload. This means that any area that is damaged due to an overcurrent is reconfigured in order to restore the full capacitance value of the capacitor. This self-healing property makes the ECW-FD2W105JB suitable for use in high-temperature and high-power applications.

Conclusion

The ECW-FD2W105JB is a radial-leaded film capacitor that is suitable for use in a wide range of applications. Its self-healing property and low dielectric absorption make it suitable for high-temperature and high-power applications. The working principle of the ECW-FD2W105JB is based on dielectric polarization, which allows it to recover from an overload and therefore maintain a stable capacitance value.

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