SFT37S70-10K491E-F

Series:	*
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Film capacitors, or film caps, are electrical capacitors with an insulating plastic film as the dielectric. They are widely used in large range of applications due to their good electrical characteristics, high insulation resistance, low leakage current, low inductance, and low ESR characteristics.SFT37S70-10K491E-F is a kind of film capacitor, and it has a wide application field.In the field of motor controls, SFT37S70-10K491E-F is often used for power factor correction capacitors, overload protectors, soft starters, load starters, and various other motor control applications. It is also heavily used in power supply, such as power sources for computers, home appliance and other digital products, and switching power supply. In switch mode power supply, it is used to smooth the DC pulses as it has much faster response time and much better ripple current capability than electrolytic and ceramic capacitors.Besides, it can be used in various DC filtering circuits, energy storage systems, telecommunication systems, DC-DC converter application, as well as signal conditioning circuits. Besides, SFT37S70-10K491E-F film capacitor is corrosion resistant, vibration resistant, and self-healing, so it can be used in some harsh environment, like solar power system, light system, and outdoor environment.SFT37S70-10K491E-F film capacitor consists of two metal electrodes and an insulating film as the medium, which allow electric current to pass through. When the voltage applied to the capacitor is AC, an electric field is generated in the medium, which creates an electric dipole that results in a charging current or an accumulating charge. The accumulated charge produces a capacitance effect. The capacitance is determined by the type of dielectric material used in the capacitor as the electric field of the AC voltage produces a different degree of dipoles in different types of dielectrics.The key benefit of SFT37S70-10K491E-F is its low capacitance. It has a minimal capacitance that, when compared with ceramic capacitors, is considerably less than 0.1pF. This lower capacitance makes it ideal for applications where accuracy is a necessity. Additionally, SFT37S70-10K491E-F offers much better electrical insulation than electrolytic, ceramic, or mica capacitor, allowing it to function in extreme voltages, temperatures, or high-frequency applications without an added insulation layer.Overall, SFT37S70-10K491E-F is a great choice for a wide range of applications due to its excellent electrical characteristics, high insulation resistance, low leakage current, low inductance, and low ESR, and is widely used in motor controls, power supply, switch mode power supply, DC filtering circuits, energy storage systems, telecommunication systems, and other signal conditioning circuits.

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