T95X685M020HZAL

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Tantalum capacitors have been widely used in electronic related product design due to their high capacitance and volumetric efficiency, in both non-audio and audio applications such as power supply and measurement. T95X685M020HZAL is a series of tantalum capacitors that also have an impressive performance matching with its relatively small size, making it applicable in quite a range of areas, both in consumer and industrial sectors.

The T95X685M020HZAL the T95X685M020HZAL is a SMD type, metal-electrolytic type, non-polarized, with a capacitance of 0.68μF, a voltage rating of 20V, and a tolerance of ± 10%. Its temperature range goes from -55°C to +125°C. Its construction is simple as it consists of a solid manganese dioxide (MnO2) and a tantalum metal cylinder, with a conductive paste electrode, and encased in a plastic case. Also, this series features the “DELTA™” construction, according to its manufacturer.

Regarding its application field, T95X685M020HZAL is mostly used in audio applications where low ESR values are desired to reduce the amount of ripple currents generated due to the voltage changes. However, it also offers a wide range of other uses, including in automotive applications where its vibration resistance and high reliability make it ideal to be used as filtration capacitors. Likewise, due to its working temperature range and volumetric efficiency, it is highly used as well in power supply designs operating in the range from 220 to 400V.

Regarding its working principle, the T95X685M020HZAL works the same way traditional capacitors do. When voltage is applied to the capacitor’s terminals, the negative ions from the anode move towards the positive ions of the cathode across an electrolyte. This creates a barrier that stores electrical energy, thus creating a capacitor. The amount of energy stored, known as capacitance, is determined by the distance between the anode and the cathode and by the electrical properties of the material used.

The metallized MnO2 case in T95X685M020HZAL is responsible for providing its charge resistance, a property which results from the fact that current flows in only one direction due to the chemical reaction induced by the electrolyte used. This property gives it a perfect AC signal filtering characteristic, thus providing excellent protection for the electronic components. Moreover, the tantalum sleeve provides an oxidation process that takes place naturally, forming a layer of tantalum oxide. This creates a very thin anode that enhances its voltage capability potential.

Due to its features, the T95X685M020HZAL proves to be suitable for a great range of applications thanks to its capabilities for low ESR values, good temperature tolerance, and relatively small size. Its applications in audio, automotive, and power supply designs make it a reliable choice for the electronic designer.

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