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Snap-in

Exxelia snap-in aluminum electrolytic capacitors offer the longest lifetime at 105°C of the market as well as the widest operating temperature range (-55°C --> +125°C) making these products perfectly suited for railway rolling stock and signalisation equipment, solar panels inverters or military grade power supplies.

Frequently Asked Questions

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Why are Electrolyte Capacitors Forward Biased?

For safety purposes, these types of capacitors need to be forward biased in their configuration. This is mainly due to the characteristics of the electrolyte that has been used in their construction. The positive terminal always needs to have a larger amount of voltage than that of the negative terminal. If the situation were reversed and the negative terminal suddenly had a higher voltage than the positive terminal (which is also referred to as reversing the voltage polarity), the aluminum material that is used as the dielectric could short circuit and become damaged. It could also overheat, which could cause a substantial leak. 

The capacitor could also vaporize, which could cause the entire enclosure to burst under the right circumstances. It is important to note, however, that this phenomenon is very rare.

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