FDLL4148-D87Z Discrete Semiconductor Products

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Diodes, also known as rectifiers, are electronic components that allow the flow of current in only one direction. Single-phase rectifier diodes, such as FDLL4148-D87Z, are used in a wide variety of applications. In this article, we explore the FDLL4148-D87Z application field and working principle.

FDLL4148-D87Z Application Field

The FDLL4148-D87Z, an axial lead rectifier diode with a 10A current carrying capability and a maximum repetitive peak reverse voltage of 800V, is used in a variety of applications. It has been used for single-phase full-wave rectifier circuits, like power supplies and battery chargers, due to its ability to provide low forward voltage drop and low reverse current leakage. It is also used in filtering, switching and polarity protection circuits, because of its low capacitance, and in many automotive applications, such as voltage regulation, alternator protection and starter signaling.

FDLL4148-D87Z Working Principle

The FDLL4148-D87Z consists of two parts, an anode and a cathode. When the anode is connected to the positive terminal of a power source and the cathode is connected to the negative terminal, the diode will let electrical current flow from the anode to the cathode, but not in the opposite direction. This unidirectional flow is called “rectification”. The amount of current allowed to flow through the diode is determined by the amount of voltage applied to it. A small voltage applied to the diode will produce a small amount of current, but when a higher voltage is applied, the current will increase accordingly. As the voltage applied to the diode decreases, the current will also decrease.

FDLL4148-D87Z also has a reverse leakage diode which prevents a reverse current from flowing when the diode is not conducting. When the reverse voltage is greater than the breakdown voltage of the diode, the current will increase. This is known as “reverse breakdown” and it serves as a protective mechanism for the device.

Conclusion

In conclusion, FDLL4148-D87Z is a single-phase rectifier diode that is used in a variety of applications, from power supplies and battery chargers to filtering, switching and polarity protection circuits. Its working principle is based on the ability of the diode to let electrical current flow only in one direction, from the anode to the cathode, and its reverse leakage diode prevents a reverse current from flowing when the diode is not conducting. This enables the FDLL4148-D87Z to be used in many automotive applications, such as voltage regulation, alternator protection and starter signaling.

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