FMD-4204S

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The FMD-4204S is a small-area, low-power, and low-cost component that falls into the category of Diodes-Rectifiers-Arrays. It is an integrated, 4-channel diode rectifier module (DRM), capable of handling voltage ranges up to 25V and short circuit currents up to 8 Amps. This makes it an excellent choice for use in numerous applications. This article will explore the application field and working principle of the FMD-4204S.

Applications

The FMD-4204S is well-suited for a variety of applications needing a small-area, low-power, and low-cost component. It is often used in the automotive industry and for galvanic applications. It can be used in the design of board protection circuits and signal detection and signal conditioning circuits. Besides, it can also be applied in many applications like motor drives and low-voltage power supplies.

In motor drives, the FMD-4204S is suited for a variety of applications such as speed control, power monitoring, and current regulation. The voltage range and short circuit current it is capable of handling allows it to easily operate at performance levels required for these types of applications. As for low-voltage power supplies, this rectifier is well-suited to supply power to devices like computers, appliances, lighting, and other electronic devices with the minimum amount of required power. The low on-state voltage drop of the FMD-4204S helps to reduce some of the energy slippage associated with these types of applications.

Working Principle

The FMD-4204S diode rectifier module is composed of four individual rectifier elements. Each element is made up of a pair of anode and cathode. The anode is made from an NMOS transistor, while the cathode is built from a P-type MOSFET. This is what enables the FMD-4204S to handle both low-voltage and high-current situations. The FMD-4204S is designed to be used in series configurations to provide maximum current carrying capacity.

When the diode is in the forward direction, the current flow is unrestricted. i.e. the anode is connected to the positive terminal and the cathode to the negative terminal. The voltage drop across the diode is low and the current flows freely with virtually no parasitic losses. However, when the diode is reversed, the current flow is blocked, effectively preventing reverse currents or surge voltages.

The FMD-4204S is a low-cost, low-power alternative to more expensive rectifier modules. Its small size and low power consumption make it an excellent choice for a variety of applications requiring a low-voltage and high-current rectifier. Its ability to handle from 25V to 8 Amps make it a dependable choice for a wide array of applications.

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