MPX126K305N

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Film Capacitors are an integral part of many electronic devices and have been used for decades to store electrical energy, filter signals, and for many other applications. One such example is the MPX126K305N, a popular capacitor used in a variety of applications. In this article, we\'ll discuss the applications and working principles of the MPX126K305N, and why it has stood the test of time.

Applications

The MPX126K305N is a multilayer film capacitor and can be categorized as a non-polarized, plastic-encapsulated capacitor. Its features make it ideal for use in applications such as DC filter circuits, AC filter circuits, and snubber circuits. It is also used in control systems and power supplies where stability and reliability are essential.

Due to its construction and design, the MPX126K305N has excellent high-frequency characteristics. This makes it suitable for use in high-frequency switching applications such as SCR and triac control, and voltage regulator circuits. The capacitor also has excellent EMC properties, making it suitable for use in DC filters and EMC circuits.

The MPX126K305N is also widely used in audio applications such as loudspeakers and audio amplifiers. Its excellent low-loss characteristics make it ideal for these applications. Additionally, its high-temperature rating makes it suitable for use in high-temperature environments.

Working principle

The MPX126K305N, like other capacitors, consist of two metal plates separated by a dielectric material. The dielectric material could be a vacuum, air, paper, or plastic film. When a voltage is applied across the plates, electric charges accumulate and are stored in the dielectric. This is what is known as capacitance.

When an alternating wave is applied to the capacitor, the electric field between the two plates reverses, causing the voltage across the capacitor to delay. This creates a lag in the current flowing through the capacitor, and filters out harmonics and allows the desired signal to pass through. This is what makes the MPX126K305N such an effective filter.

The dielectric material used in the MPX126K305N makes it especially suitable for high-frequency applications. The dielectric material has a low dielectric loss tangent, meaning that it will allow signals to pass through with minimal interference. Additionally, the dielectric material has a low dissipation factor, which ensures that the voltage across the capacitor remains constant.

The MPX126K305N also has excellent self-healing properties. When a voltage spike occurs, the dielectric will absorb the energy and recover the capacitor\'s original capacitance value. This is an important feature in filters and snubber circuits, where the lifespan of the component is critical.

Conclusion

The MPX126K305N is a versatile and reliable capacitor suitable for a wide variety of applications. Its excellent high-frequency characteristics make it suitable for use in DC filters, EMC circuits, and voltage regulator circuits. It also has excellent EMC properties and self-healing properties. The MPX126K305N is an excellent choice for audio applications such as loudspeakers and audio amplifiers.

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