ECQ-E4334KF

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Film capacitors are widely used in components such as filters, oscillators, data transmission, AC or DC power transmission, and other electronic applications. The ECQ-E4334KF is a film capacitor utilizing a polyester film dielectric for improved capacitance stability. This capacitor is used mainly for power line applications, such as AC voltage rectification and filtering applications.

The ECQ-E4334KF film capacitor is constructed of two thin polyester films—surrounded by two metal electrodes —which are rolled together. This rolling of the dielectric film creates points of close proximity with no air gap. The material exhibits excellent stability and high dielectric strength. The capacitor has a superior ability to withstand high humidity due to its molded plastic case.

The ECQ-E4334KF film capacitor offers maximum peak current capacity of 500A with short pulse, thanks to its low ESR and ESL values. Its superior performance enables long service life, stable capacitance values, and low levels of generators noise when used under high frequency operations as a filter component. The capacitor also has excellent temperature stability and fast response characteristics, with a low dielectric loss factor, owing to the utilization of two metallized film electrodes.

In addition to its high level performance, the ECQ-E4334KF film capacitor offers several other advantages. It has a high capacitance value of 120µF, with a voltage rating of 250V. It is also available with an enhanced safety factor, with a voltage rated of up to 400V. Additionally, this capacitor features a wide frequency range, with a minimum frequency of 100kHz, and a maximum frequency of 15MHz.

The working principle of the ECQ-E4334KF film capacitor is based on the effect of electric fields on dielectric materials. When a voltage is applied to the device, free electrons move toward the positive electrode and accumulate on it. This results in the formation of an electric field which forces the negative ions present in the dielectric material across the dielectric material toward the negative electrode. This movement of ions in opposite directions creates a capacitance.

The ECQ-E4334KF is an ideal component for applications that require high capacitance and stability, such as AC line filter, EMC filter, power rectifier, and switching power supply applications. This capacitor also has low ESR and ESL values, high frequency response and temperature stability. Consequently, it is an ideal choice for resonators, data transmission, and other high-frequency operation applications.

In conclusion, the ECQ-E4334KF is a high performance film capacitor based on the effect of electric fields on dielectric materials. It is ideal for AC line filter, EMC filter and power rectifier, and high frequency operation applications due to its excellent performance, including large capacitance values, high temperature stability, good temperature stability, and stable capacitance values. These features make the ECQ-E4334KF a viable option for many applications that require high capacitance and stability.

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