F1857RD400

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Diodes - Rectifiers - Arrays refer to devices or components consisting of different kinds of semiconductors for conducting current and for blocking non-current in electronic circuits. F1857RD400 is one of the models of diodes belonging to this category. It is a high voltage rectifying diode with a reverse breakdown voltage of 400V and asquare metal DO-41 package.

The application field of F1857RD400 ranges from power supply, battery charger, to switching power and UPS systems. Specifically, it can be used in apps such as AC/DC offline switching and rectifying modules, AC/DC charging power supply modules and power supply modules for monitors. The main characteristics of this diode involve low forward voltage drop, low reverse leakage current and low power loss.

The working principle of F1857RD400 is not complicated. It makes use of the rectifying effect of diode, allowing electric current to only flow in one direction while blocking it from flowing in the other direction. There are two bearings from which the current can flow and each bearing is characterized by a specific voltage level known as forward voltage and reverse voltage. Under the normal operation, forward voltage is slightly lower than reverse voltage, meaning that current can flow from positive to negative but not from the opposite direction.

When forward voltage is applied to the structure, the anode (positive side) of the diode is at high potential while the cathode (negative side) is at a lower potential. In this situation, electrons will flow from anode to cathode and therefore electric current is allowed to pass along this direction. After the voltage drops out of the circuit, reverse voltage is applied to the structure and electrons will flow from cathode to anode as the anode is of slightly higher potential. This in turn blocks the current flowing from positive to negative and reveals the rectifying effect.

F1857RD400 is not only reliable but also easy to implement into circuits. Thanks to the advanced processing methods, it can render low forward voltage and low reverse leakage current, making it a suitable choice for applications that demand high-reliability performance and efficiency.

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