SEK103M6R3ST

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Aluminium electrolytic capacitors are widely used across a broad range of electronic devices, from computers to televisions to sound systems, and have a wider range of operational applications than any other type of capacitor. In particular, the SEK103M6R3ST type, also known as Non-Polarity Bi-Polarity Electrolytic Capacitors, is a high-temperature, low-ESR (equivalent series resistance), radial-leaded aluminum electrolytic capacitor with very high capacitance and surge-current ratings.

As its name implies, the SEK103M6R3ST is a polarized type, meaning that one of its two terminals is marked with a + or - sign. In addition, the non-polarized bi-polarity feature means that it can be wired in either direction, with no adverse effects on its performance or reliability. This makes it versatile and easy to use in high-current circuits where the voltage spike is beyond the current carrying capability of the capacitor.

The SEK103M6R3ST also offers high capacitance ratings, up to a maximum of 180,000μF. This means that more current can be drawn at a higher voltage, allowing circuits to remain charged for longer with no degradation of the capacitor. Furthermore, its low ESR rating of 0.08 ohms ensures the capacitor can deliver high currents without creating significant heat generation – a major factor in long-term reliability.

The working principles of the SEK103M6R3ST are relatively simple. An electric current is passed through the device, passing through its two terminals and creating a digital field between them. This field creates a charge on the two terminals of the capacitor, which is stored until the current is turned off – this is when the capacitor is said to be ‘discharging’. Once the current has stopped flowing, the electric charges are released and the capacitor begins to charge again – a process known as ‘charging’.

The SEK103M6R3ST’s range of applications, meanwhile, is virtually unlimited. These devices are used in a variety of industrial and commercial applications, including audio applications, automotive electronics, power supply circuits, high-voltage DC power supplies and more. They are also commonly deployed in consumer electronics, from television sets to personal computers, game consoles and other digital devices.

Thanks to their versatile design, the SEK103M6R3ST type of aluminum electrolytic capacitors should continue to remain an essential component in electric circuits for some years to come. Its efficiency, high performance and resectively low ESR ratings make it a perfect choice for any application where high-capacity current flows are required in a small space.

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