ECQ-E1395JFA

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Film capacitors are widely used in the modern electronics industry for various purposes, including energy storage, signal modulation, filtering, and voltage and current transducing functions. The ECQ-E1395JFA is a film capacitor developed by tech giant Echelon, boasting superior temperature and electrical performance. This article will describe its application field and working principle.

The ECQ-E1395JFA is an energy storage capacitor made of metallized polyester film. This type of capacitor exhibits excellent temperature cycling stability along with a generous range of operational temperatures (-40 to 85 °C). The capacitor also offers low losses at high frequencies, with a coefficient of a little less than 0.05% per 1 kHz. With regards to its electrical properties, the ECQ-E1395JFA features a high insulation resistance, an impressive capacitance range (470pF to 22000pF) and excellent tolerances (up to ±2.5%). These features allow the capacitor to be used in applications such as signal filtering, buffer and power supply for sensitive circuits.

The ECQ-E1395JFA is available in multiple voltage ratings, ranging from 16 to 400V. The maximum allowable ripple voltage of the capacitor is dependent on the capacitance value, with values of up to 0.5V for the lowest values. The capacitor is also designed to be self-healing, meaning it can withstand repeated overvoltage spikes without compromising its performance.

The ECQ-E1395JFA capacitor also has a wide range of applications in radio frequency electronics. It can be used in antennae tuning, automatic gain control and voltage-controlled oscillators, thanks to its high quality dielectric. It is also used in very specific applications such as high-dynamic range RF mixers, where its low losses can provide excellent results.

The working principle of the ECQ-E1395JFA is simple: when two electrically conductive surfaces are separated by a dielectric material, a capacitance is formed, storing electrical energy in the form of an electric field. The power rating and other electrical characteristics of the capacitor are determined by the dielectric material and the surface area of the electrodes. This type of capacitor typically has two terminals, one of which is the anode, where the positive charge is stored, and the other the cathode, where the negative charge is stored.

The ECQ-E1395JFA is one of the most widely used capacitor types in modern electronics. Its combination of superior temperature performance and electrical properties is ideal for a variety of applications, such as antennae tuning, filtering, signal modulation, and voltage and current transducing. Its wide range of available voltage ratings, as well as excellent ripple voltage handling and self-healing properties, make it an ideal choice for modern power supply designs.

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