CB052G0104KBC

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Film Capacitors

Film capacitors, also known as film dielectric capacitors, plastic film capacitors or film capacitors in short, are widely applied in electronic circuits, such as in motor control, pulsed power applications, power conditioning, regulator circuits, output coupling, and snubber circuits.

One of the most common capacitors is the CB052G0104KBC. It is a component typically used in AC/DC power supplies, converters and inverters. In order to effectively implement AC/DC power supplies, converters and inverters, CB052G0104KBC capacitors must be designed with a PTC circuit to ensure reliable operation, robustness and long life.

Application Fields

CB052G0104KBC capacitors are applicable for various different fields:

• Uninterruptible Power Supplies (UPS) applications
• High frequency switching power convertors
• Inverters, including Resonant-Mode Inverters
• Charge-Pump DC/DC Converters
• Switched-Mode AC/DC and AC/AC Power Supplies
• Motor Controls, such as Commutators, Rectifiers, Choppers or Drives
• Pulse Power Applications, like for triggering thyristors and triacs
• Power-Conditioning Circuits, including Line-Voltage Regulators
• Coupling Output Loads, such as for Interference Suppression
• Energy Efficient Solutions, such as LED Lighting, Smart Meters, Solar Inverters, etc.

Working Principle

In general, film capacitors are made by winding together two sheets of polypropylene film, with an electrically-conductive insulating film (e.g. aluminium) between them. This results in a various advantages compared to conventional capacitors, such as less ESR, low loss of charge, protection against overloads, delayed spark gaps, low inductance, a wide range of temperature stability, and many more.

For the CB052G0104KBC in particular, it is designed as a three-terminal capacitor with a combination of ceramic, PTC, and plastic film capacitor. It has a built-in PTC circuit which ensures shot circuit protection and long life. This capacitor also features four taps for fast welding for easy circuit- board mounting, which enables the design of power supply, UPS and various adjustable application circuits.

The CB052G0104KBC offers superior electrical characteristics with high surge endurance and high ripple current capacity. This allows it to be used in traditional AC/DC converters and inverters and in high frequency switching power converters, such as Resonant Mode Inverters and Charge-Pump DC/DC Converters. The CB052G0104KBC is also able to absorb high levels of transient voltage and is able to maintain stable performance in a wide range of temperatures.

Overall, the CB052G0104KBC is designed to give reliable power control solutions with a high degree of accuracy in various applications.

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