Infineon BAT5402VH6327 Schottky Diode: Key Features and Applications

The Infineon BAT5402VH6327 is a surface-mount Schottky barrier diode, renowned for its high efficiency and reliability in a wide range of electronic circuits. As a dual common-cathode diode, it integrates two Schottky diodes in a single SOT-23 package, making it an ideal solution for space-constrained designs requiring minimal power loss and high switching speed.

Key Features

One of the most significant attributes of the BAT5402VH6327 is its low forward voltage drop, typically around 0.38V at a forward current of 0.1A. This characteristic is crucial for enhancing energy efficiency, as it minimizes power dissipation and heat generation in circuits. Complementing this is its extremely fast switching capability, which allows it to operate effectively in high-frequency applications without the performance lag associated with standard PN-junction diodes.

The device boasts a high surge current capability, ensuring robustness against unexpected current spikes. It also features a low reverse leakage current, which contributes to improved power management, especially in precision and battery-sensitive applications. Encapsulated in a compact and industry-standard SOT-23 package, it is perfectly suited for automated assembly processes, reducing manufacturing costs and board space.

Primary Applications

Thanks to its unique combination of features, the BAT5402VH6327 finds extensive use in modern electronics. A primary application is in power rectification, particularly in low-voltage, high-frequency switch-mode power supplies (SMPS) and DC-DC converters, where its efficiency directly impacts overall system performance.

It is also indispensable in reverse polarity protection circuits. Placed in series with the power supply input, the Schottky diode prevents damage to sensitive components by blocking current flow if the battery or power source is connected incorrectly. Its low forward voltage ensures a minimal impact on the system's operating voltage.

Furthermore, this diode is a key component in signal demodulation and clamping circuits, where its fast switching speed is utilized to process high-frequency signals accurately. It is also commonly employed in OR-ing diodes circuits in power path management, allowing a system to seamlessly switch between two power sources, such as a battery and an external adapter.

ICGOODFIND Summary

The Infineon BAT5402VW6327 stands out as a highly efficient and versatile Schottky barrier diode. Its exceptional blend of a low forward voltage, fast switching speed, and robust surge current handling makes it an optimal choice for designers focused on improving efficiency, saving space, and enhancing reliability in power management and high-frequency circuits.

Keywords:

Schottky Diode, Low Forward Voltage, Fast Switching, Reverse Polarity Protection, Power Rectification