VS-SD1553C30S30K

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Diodes - Rectifiers - Single

VS-SD1553C30S30K is a diode rectifier module made by Vishay Semiconductor. It comes with a molding that includes a 2 SCRs and 2 bidirectional thyristors. The components are all housed in a DO-205AB surface-mountable package. It is commonly used in automotive applications such as charging, engine control, and headlamp dimming.The VS-SD1553C30S30K consists of two silicon-controlled rectifiers (SCRs), each of which has an anode, a cathode and a gate terminal. The anode is connected to the positive terminal of the power supply, the cathode is connected to the negative terminal and the gate is connected to the control circuit. When the control circuit supplies a triggering current to the gate terminal, the SCR switches on and allows current to flow from the anode to the cathode. The bidirectional thyristors have a similar configuration, with an anode connected to one power supply terminal, a cathode connected to the other and a gate terminal connected to the control circuit. The difference is that these thyristors are triggered by either a positive or negative current.In normal operation, the SCRs of the VS-SD1553C30S30K are used as rectifiers, allowing current to flow only in one direction. This is because when the SCR is triggered, it will remain in the on state until the current flowing through it is interrupted. The bidirectional thyristors can be used as either rectifiers or switches, depending on how they are triggered. When triggered with a positive current, the thyristor behaves as a switch, allowing current to flow in both directions. When triggered with a negative current, the thyristor behaves as a rectifier, allowing current to flow only in one direction.The VS-SD1553C30S30K is designed to be used in automotive applications, such as charging systems and engine control systems. It is commonly used to convert 12V DC into 120V AC for automotive power systems, improve power efficiency and reduce power dissipation in these systems, and provide full-wave rectification for AC-DC conversion.Overall, the VS-SD1553C30S30K is a highly efficient, low-cost rectifier that is suitable for a wide range of automotive applications. It allows for cost-effective, efficient conversion of 12V DC into 120V AC, and is a reliable and safe choice for car manufacturers.

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