595D475X9020B8T

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Tantalum capacitors are polarized capacitors which, due to their higher capacity and lower equivalent series resistance (ESR), have become increasingly common within the electronics industry. Consisting of a tantalum coilized anode and an MnO2 cathode, the 595D475X9020B8T stands out from the crowd due to its unique features.

Applications

The 595D475X9020B8T is often used in power circuits, with applications ranging from decoupling for protecting circuits from high voltage transients and voltage drops to filter circuits for supplying constant voltage from power supplies. Given its relatively low ESR and high capacitance, it is especially well-suited for low frequency applications, including interstage coupling or pulse shaping. Furthermore, the 595D475X9020B8T is exceptionally robust, as evidenced by its long lifetime and temperature coefficient. This makes it a much sought-after option for industries looking for reliable yet small-size and lightweight components, especially in defense and aerospace applications.

Working Principle

The 595D475X9020B8T operates on the relatively simple principle of electrostatic storage. When voltage is applied to the capacitor, electrons flow from the anode to the cathode, which then collects them and stores them in its internal electric field. This field stores electrical energy, serving as the capacitor’s “charge.”

Unlike a traditional electrolytic capacitor, the tantalum capacitor utilizes tantalum instead of a liquid electrolyte. This provides several benefits, including a drastically decreased ESR and higher volumetric efficiency, as well as a nearly complete elimination of temperature shifts.

The 595D475X9020B8T utilizes a thin but very dense tantalum powder, which makes up its anode. Its cathode is comprised of an oxide layer of MnO2, which is secured to the anode via a cathode tab. The oxide layer exhibits good polarization properties and allows the capacitor to remain stable even under high voltage and current demand.

Conclusion

In conclusion, the 595D475X9020B8T stands out from the crowd thanks to its unique features. It is most commonly used in power circuits due to its low equivalent series resistance and high capacitance. Moreover, its simple working principle makes it highly reliable and robust, making it a desirable option in defense and aerospace circuits.

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