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Diodes - Rectifiers - Single

The SS210L from Seoul Semiconductor is a single-phase silicon rectifier diode which features low forward voltage drop and low reverse leakage current. It is suitable for general-purpose rectification, freewheeling, low value holdup circuits and wave-shaping circuits. The device itself is able to withstand and operate at a maximum Junction temperature of +150°C and is AEC-Q101 qualified.

Application Fields

• Automotive applications
• Low-holding-current circuits
• AC/DC converters
• DC/DC converters
• Free-wheeling circuits
• Lighting

Working Principle

A semiconductor diode comprises of a PCN junction, which when biased correctly allows for the flow of electrons from the N region to the P region, however it does not permit them to flow the other way. This is due to the minority carriers on each side of the junction; holes in the n-region and electrons in the p-region. When a certain forward bias voltage is applied the minority carriers are swept across the junction allowing for the current flow. However, when reverse bias voltage is applied minority carriers cannot flow and the diode behaves like an open circuit.

Part of the semiconductor diode\'s functionality depends on the semiconductor materials that are used. The most common materials utilized in diodes are Silicon, Germanium, Zinc Oxide and GaAs. Depending on the materials used, the performance of a diode can vary significantly. The SS210L is constructed using silicon materials, and the combination of the PN junction makes it ideal for rectifying and switching circuits.

Conclusion

The wide variation of diode sizes, breakdown currents and other specifications means they can be used in a variety of applications. The SS210L is a reliable single phase silicon rectifier diode with low forward voltage drop and low reverse leakage current, making it a great choice for automotive, lighting and DC/DC converter applications.

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