684PHB700K2H

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Film Capacitors

Film capacitors are passive electronic components with a wide range of applications, consisting of a length of insulating film that\'s wound and encapsulated in a metallic case. The film is generally a polypropylene-film, with aluminium or twined stainless steel as the electrodes. Film capacitors are characterized by low tolerances, minimal parasitic elements, high insulation resistance, low DF and self-healing properties.

684PHB700K2H

The 684PHB700K2H is a polypropylene film capacitor manufactured by Durapart Components. This product is designed for a range of applications including automotive electronics, surge protection, motor drives, active filters and high-end power applications. It features a wide voltage range of up to 850 VDC and meets the relative standard of IEC60384-14.

Application Field and Working Principle of 684PHB700K2H

The 684PHB700K2H is often used in AC motor drives and high-end power applications due to its wide voltage and temperature range and low DF of 0.1%. It also provides excellent immunity to electrostatic discharges and can withstand a maximum voltage of 850 VDC (up to 1.7 KV).

The working principle of the 684PHB700K2H is quite simple. This capacitor consists of a length of insulating film and two electrodes, which store electrical energy in the form of an electrical field or voltage. As the voltage across the capacitor increases, the electric field intensity increases, thus increasing the capacitance. When the voltage is removed, the energy stored in the capacitor is released as a discharge and the capacitance decreases. The 684PHB700K2H also features self-healing properties, meaning that it can repair itself after short-circuiting or over-currents.

As a result, the 684PHB700K2H is perfect for high-end power applications, where it can help reduce the overall system cost and improve system reliability. It is also highly suitable for AC motor drives, due to its low DF, wide temperature range, and excellent immunity to electrostatic discharges.

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