B43305A5187M000

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitors made of aluminum and electrolyte, which has the advantages of small volume, large capacitance and wide temperature range. They are widely used in switch power supply, circuit protection, frequency division filter, etc. B43305A5187M000, as an aluminum electrolytic capacitor, is no exception.

B43305A5187M000application field

1. Power supply:B43305A5187M000 can be used in AC adapters, laptops, electric toothbrushes, mobile phone chargers and other power supply products, enabling them to work properly by filtering the current.

2. Circuit protection: B43305A5187M000 can help to prevent the circuit from being damaged due to too large current, and also protect the circuit from Lightning surge or over-voltage.

3. Frequency division filter: B43305A5187M000 can filter out high frequency interference to reduce noise.

B43305A5187M000working principle

B43305A5187M000 is a non-polarized capacitor whose internal structure consists of a thin aluminum foil and a thick electrolytic paper separating the chemical and electrical effects between the anode and the cathode. An anode is etched on the aluminum foil, and the electrolyte is absorbed into the anode oxide. The oxide film formed on the anode has a dielectric constant more than 10 times higher than that of air, so the electric field formed is very large, which increases the electric energy stored in the capacitor.

When the capacitor is connected in an idle circuit, the electrons injected from the anode will be adsorbed by the oxide film and accumulate in the surface, thus forming an instantaneous electric field between the anode and the cathode, and then the dielectric will be insulated.

In a normal state, the applied voltage across the capacitor is equal to the voltage dropped between the two electrodes. When the voltage is increased, the cumulative charges are injected into the electrode or adsorbed on the oxide film, and the current begins to flow. This is how the capacitor works.

Conclusion

B43305A5187M000 is a type of aluminum electrolytic capacitor with a large capacitance and a wide temperature range. It is mainly used in power supply, circuit protection and frequency division filter to ensure the circuit functions properly. The working principle of B43305A5187M000 is that the anode is etched on the aluminum foil and the oxide film formed on the anode has a high dielectric constant, which increases the electric energy stored in the capacitor.

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