SFS44T30K291B-F

Film Capacitors

Film capacitors are capacitors which contain a dielectric film, typically polypropylene film. They are known for their high performance, low leakage current, long life expectancy and excellent noise, making them ideal for industrial and commercial applications.

The SFS44T30K291B-F is an axial lead-type film capacitor, mainly used in power factor correction networks and snubber circuits. It is capable of performing over a wide range of voltages and operating temperatures.

The SFS44T30K291B-F has an insulation resistance of 5 megaohms for a DC voltage of 1500V and a Dielectric Loss factor of 0.2 with an applied voltage of 500V. It features a leakage current of 5 microamps under the same operating conditions. It is UL-approved and RoHS compliant.

The working principle of the SFS44T30K291B-F film capacitor is straightforward. It operates by trapping electric charge between two metal surfaces with an insulating film. The thickness of the insulating film determines the capacitance of the component, which is also referred to as its capacitance value.

The SFS44T30K291B-F film capacitor can be used in AC and DC circuits at temperatures between -40°C and +85°C, with a voltage range of 150V to 500V. It is particularly suited for applications such as overvoltage and over current protection, power factor correction, snubber circuits, DC-DC converters, and decoupling applications.

To summarise, the SFS44T30K291B-F film capacitor is a versatile component ideal for various power management applications. It is reliable, sturdy, and versatile, making it a great option for commercial and industrial applications.