B32669C3105K

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Film capacitors (or plastic film capacitors) belong to a class of capacitors that use plastic film as the dielectric and top-of-the-line components. At their heart, film capacitors utilize the electrostatic properties of plastic films. They are most often divided into two categories: thin film capacitors and thick film capacitors. Ideal for low-voltage work, film capacitors have an excellent electrical stability over time as well as impressive capacitance accuracy, which makes them a valuable piece of hardware in many electronic applications, including power supplies, delay lines, and high speed attenuators.

B32669C3105K capacitors are ceramic and metalized polypropylene plastic film capacitors designed for AC applications. This series is particularly suitable for powerful motor drives, UPS, and solar power systems. These capacitors distinguish themselves with their extended life and voltage capabilities, making them excellent choices for high temperature applications. The maximum temperature of operation for these devices is 155℃, while the maximum rated voltage is 600VAC.

All B32669C3105K capacitors utilize a metalized polypropylene film dielectric that is connected to the aluminum semicircular end cap with a metallic layer. This, combined with woven wrap construction, results in a robust capacitor with excellent dielectric characteristics. The terminals of the capacitor are then connected to the semicircular end caps to provide a reliable connection. Since these capacitors are designed for AC applications, their capacitance remains stable even when the instantaneous voltage changes and their design allows for both low equivalent series resistance (ESR) and low loss.

Working Principle of B32669C3105K: Film capacitors demonstrate the same behavior as other types of capacitors – they store electrical energy when a voltage is applied to them. However, due to their unique design and dielectric properties, they can store a much higher charge and have a much lower equivalent series resistance (ESR). When an alternating (AC) voltage is applied to a film capacitor, the voltage across its terminals continually alternates. As the voltage alternates, the capacitor alternately charges and discharges, and the electrical energy is stored in the form of an electric field between two plates. The electric field influences the current in the external circuit and the capacitor acts as a filter, allowing for relatively high voltage and frequency. This is of particular importance in applications such as power supplies, motor drives, UPS, and solar power systems, where the current has to be filtered for optimal performance.

In addition to their impressive electrical characteristics, film capacitors are resistant to oxidation and feature a long service life. The aluminum shells designed for these capacitors also provide considerable protection against electrical shocks. Thanks to their robust yet relatively small form factor, B32669C3105K capacitors are ideal for high-performance applications that require small size and fast response times.

Ultimately, B32669C3105K capacitors are highly reliable components designed for AC applications. Their long service life, voltage capabilities, and attractive form factor make them an ideal choice for motor drive, UPS, and solar power systems. Thanks to their efficient design and dielectric properties, film capacitors such as B32669C3105K provide an excellent way to filter and store current in high-efficiency and high-voltage applications.

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