STMicroelectronics

BAT43

BAT43 Description

The BAT43 is a high-performance Schottky diode manufactured by STMicroelectronics, designed for small signal applications with an average rectified current (Io) of up to 200mA. This diode is known for its low forward voltage drop and fast switching capabilities, making it ideal for various electronic circuits. With a reverse recovery time (trr) of just 5 ns, the BAT43 offers superior performance compared to traditional diodes, ensuring efficient energy conversion and minimal power loss.

BAT43 Features

• Low Forward Voltage (Vf): The BAT43 has a maximum forward voltage (Vf) of 1V at 200mA, which is significantly lower than many other diodes in its class. This low voltage drop results in higher efficiency and reduced power consumption in your circuits.
• Fast Reverse Recovery Time: With a reverse recovery time (trr) of just 5 ns, the BAT43 outperforms many other diodes, ensuring quick switching and minimal power loss during reverse bias conditions.
• Low Reverse Leakage Current: The BAT43 has a reverse leakage current of only 500 nA at 25V, which is crucial for maintaining low power consumption in battery-powered applications.
• Robust Voltage Ratings: The diode can handle a maximum DC reverse voltage (Vr) of 30V, making it suitable for a wide range of applications.
• Small Signal Handling: The BAT43 is designed for small signal applications with an Io of up to 200mA, making it ideal for use in low-power circuits.
• Low Capacitance: The diode has a capacitance of just 7pF at 1V and 1MHz, which is beneficial for high-frequency applications where capacitance can affect performance.
• RoHS Compliance: The BAT43 is compliant with the RoHS3 directive, ensuring that it meets environmental regulations and can be used in eco-friendly products.

BAT43 Applications

The BAT43's unique combination of low forward voltage, fast switching, and low capacitance makes it ideal for a variety of applications, including:

• Power Supplies: The low forward voltage and fast switching capabilities of the BAT43 make it an excellent choice for power supply circuits, where efficiency and power loss are critical.
• Automotive Electronics: The BAT43's robust voltage ratings and low capacitance make it suitable for use in automotive electronics, where reliability and performance are essential.
• Low-Power Circuits: The diode's ability to handle small signals and low power consumption makes it ideal for use in battery-powered devices and other low-power applications.
• High-Frequency Applications: The low capacitance of the BAT43 makes it suitable for use in high-frequency circuits, where capacitance can affect performance.

Conclusion of BAT43

In conclusion, the BAT43 is a versatile and high-performance Schottky diode that offers a unique combination of low forward voltage, fast switching, and low capacitance. Its robust voltage ratings, low reverse leakage current, and RoHS compliance make it an ideal choice for a wide range of applications, from power supplies and automotive electronics to low-power and high-frequency circuits. With its superior performance and reliability, the BAT43 is a valuable addition to any electronic design.