SDT30A100CT

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Diodes - Rectifiers - Arrays encompasses a variety of semiconductor components which are designed to convert alternating current (AC) to direct current (DC). The SDT30A100CT is a diode array type rectifier which is utilized in a variety of applications. This article will discuss the application field and working principle of the SDT30A100CT.

The SDT30A100CT is a 30A, 100V, dual-mode uni-directional single-phase silicon rectifier array. It is a three-terminal device which is available in an industry-standard two-row SURFACE MOUNT package. Capable of both forward and reverse blocking, it can be utilized in a variety of power conversion applications such as switched-mode power supplies, battery chargers, lighting control, industrial motor drives, and other related circuits. Additionally, it has a built-in low forward conduction drop characteristics.

In terms of its technical specifications, the SDT30A100CT has a forward voltage drop of 1.2V and a reverse leakage of 600μA. It is rated to an operating temperature of -40°C to +125°C and is capable of a maximum repetitive peak reverse voltage of up to 100V. In addition, it is UL recognized, RoHS compliant, and has excellent surge characteristics.

The SDT30A100CT has a simple operating principle. In forwarding conduction mode, the device works by allowing current through its two internal PN junctions when a positive voltage is applied to the anode and a negative voltage is applied to the cathode. In reverse blocking mode, the two internal PN junctions are back biased which prevents the flow of current. Switching from forward to reverse blocking mode occurs when the anode voltage becomes more negative than the zinc junction.

The SDT30A100CT can be thought of as a bridge rectifier which is contained in a single silicon package. When utilized in bridge rectifier circuits, it can convert AC voltage to DC voltage with a minimum of components. It is an ideal solution for various medium-to-high power applications which require a low forward conduction drop, low reverse leakage current, and high power density.

In conclusion, the SDT30A100CT is a versatile three-terminal dual-mode uni-directional single-phase silicon rectifier array which is suitable for a variety of power conversion applications. It has a low forward voltage drop of 1.2V, a reverse leakage current of 600μA, and an operating temperature range of -40°C to +125°C. Furthermore, it utilizes a simple forward conduction and reverse blocking operating principle, and is capable of a maximum repetitive peak reverse voltage of up to 100V. With excellent surge characteristics, it is a reliable choice for medium-to-high power applications which require a low forward conduction drop, low reverse leakage current, and high power density.

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