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Film Capacitors

Film capacitors, also known as polyester or plastic film capacitors, are types of capacitors that are found in many electronic devices, and are particularly useful in signal applications. Film capacitors provide superior performance in high frequency circuits, making them an ideal choice for frequency dependent applications, such as filters or ac voltage stabilizers. This article will discuss the ECQ-B1H102JF3 application field and working principle.

ECQ-B1H102JF3 Application Field

The ECQ-B1H102JF3 is a miniature polyester film capacitor that helps provide accurate signal sensing functions in circuits. It is ideal for high frequency noise filtration, pulse applications, and line filtering. It is also often used as a resonance therapy capacitor that helps shape the resonance response of induced signals in long-distance circuits.

Working Principle of the ECQ-B1H102JF3

The ECQ-B1H102JF3 is a film capacitor that works on the basis of a physical principle called “dielectric absorption”. Dielectric absorption is a capacitance phenomenon in which a voltage is applied across a material, causing it to become polarized. As a result, an electric field is generated within the material, allowing for the storage of an electric charge in that material. This electric charge stored in the material is the basis of capacitance, which is what ultimately makes the circuit functional.

In the case of the ECQ-B1H102JF3, the capacitance specification of .047uF ensures excellent voltage stability, low losses and very low ESR. It also has a high working voltage of 250 VAC and a wide temperature range of -55 to +125°C. The component is equipped with long spring-molded terminals which reduce the risk of potential flash-over.

The ECQ-B1H102JF3 capacitor also features a self-healing dielectric system. Self-healing dielectrics are film capacitors that are specifically designed to automatically restore electrical continuity in the event of a dielectric breakdown. This system works by allowing small surface flaws, such as arcing, to be filled in with stable gas molecules. This repair process occurs instantaneously and without any need for direct intervention, allowing the capacitor to continue functioning with normal parameters.

Conclusion

This article discussed the ECQ-B1H102JF3 application field and working principle. With its miniature size, excellent electrical characteristics, and self-healing dielectric system, the ECQ-B1H102JF3 is an ideal choice for high frequency noise filtration, pulse applications, and line filtering. It is a reliable and durable component, and can be used in a wide range of applications where accuracy and signal sensing must be reliable.

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