4SEP100M

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Aluminum - Polymer Capacitors

4SEP100M is an aluminum-polymer capacitor manufactured by Shenmao, a leading provider of electronic components. It is a type of capacitance used for energy storage and for various signal filtering and electrostatic discharge protection applications. The capacitor is constructed with an anodized aluminum can as the housing and a silver shaft as the terminal lead. There is a dielectric layer of conformal coating between the anodized aluminum and the silver shaft, and an electrode assembly of aluminum-polymer is sandwiched between the two components.

In terms of performance, the 4SEP100M capacitor boasts superior electrical characteristics in comparison to other aluminum electrolytic capacitors. It offers a low equivalent series resistance (ESR) and high capacitance, with a capacitance value up to 15.5 µF/V. It is designed with a reverse voltage of up to 6.3 V and has a wide temperature range of -55°C to +105°C. Moreover, it is resistant to damp heat, shock, and vibration, making it suitable for use in extreme environments.

Aside from excellent physical properties, the 4SEP100M is also highly reliable and has a long shelf life of up to 10000 hours at 105°C. It has a high ripple current rating and can withstand high pulse rates without any significant degradation in performance. In addition, it has excellent surge withstand capability, making it suitable for use in high-power applications such as welders and engines, where extreme temperature and vibration are present.

Due to its electrical performance, durability, and cost, the 4SEP100M has a wide range of applications in automotive, medical, and industrial applications. It is commonly used in motor drive systems, LED lighting systems, solar energy inverters, high-end audio systems, and more. The capacitor is also ideal for noise suppression in various electronic products and for bypass and decoupling applications.

The 4SEP100M capacitor features an aluminum-polymer construction that works on the principle of accumulating electric charge in a dielectric layer between two electrode plates. It has an anodized aluminum can as the housing and silver terminal shaft as the electrode plates. A conformal coating layer serves as the dielectric layer between the electrode plates, and the aluminum-polymer layer is sandwiched between them. The capacitance is formed by the electric field between the two electrodes as they accumulate opposite charges at their interface. This structure gives the 4SEP100M higher capacitance and lower ESR, making it an ideal choice for high-energy storage and signal filtering applications.

In short, the 4SEP100M is an advanced aluminum-polymer capacitor with excellent performance and reliability. It is designed for applications where high capacitance, low ESR, robustness, and wide temperature range are necessary. It offers superior electrical characteristics, a long shelf life, and has a wide range of applications in various industries.

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