SDUR860

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Single-diode rectifiers or diodes are vital components in most electronic circuits since they allow unidirectional flow of current. The most common type of single-diode rectifier is the SDUR860, which is widely used in various industries. This article will discuss the application field and working principle of the SDUR860.The SDUR860 is commonly used in off-line ac-dc power supplies, motor control converters, and other applications requiring a high-performance diode. It features a high surge current rating of 109 A, a fast reverse recovery time of 35 ns, and a high-temperature operating range of −55°C to 175°C. This makes it suitable for applications operating in extreme temperatures and requiring high surge current ratings.The SDUR860 is also an ideal rectifier for use in low-power inverters and smps systems, thanks to its high forward voltage rating of 1.65 V and its low on-state forward current of 1.2 A. Additionally, its low reverse leakage current makes it ideal for preventing the reversal of current.The working principle of the SDUR860 is similar to that of other single-diode rectifiers. It is composed of a p-n junction that controls the flow of current. During normal operation, when there is no voltage applied across the diode, current does not flow. When a voltage is applied to the diode, electrons in the p-side of the diode are attracted to the n-side and start to flow, forming a diode current. This process continues until the voltage across the diode reaches its rated forward voltage.In summary, the SDUR860 is a high-performance single-diode rectifier widely used in various applications. It offers a high surge current rating, fast reverse recovery time, high temperature rating, and high forward voltage rating. Its working principle is similar to that of other single-diode rectifiers, which rely on a p-n junction to control the flow of current.

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