1N5822

The 1N5822 is a Schottky barrier rectifier diode manufactured by STMicroelectronics, designed for applications requiring efficient rectification and low forward voltage drop. This diode is particularly well-suited for power supply circuits, battery charging, and other applications where fast switching and low conduction losses are critical.

Key Features:

1. Type: Schottky Barrier Rectifier
2. Maximum Reverse Voltage (VR): The 1N5822 can withstand a maximum reverse voltage of 40 volts, making it suitable for various low to moderate voltage applications.
3. Forward Current (IF): It has a maximum forward current rating of 3 amperes, allowing it to handle significant load currents without overheating.
4. Forward Voltage Drop (VF): One of the standout features of the 1N5822 is its low forward voltage drop, typically around 0.45 volts at 3A. This characteristic contributes to higher efficiency in power conversion applications.
5. Reverse Recovery Time (trr): The diode exhibits a very fast reverse recovery time, which is a critical parameter for high-frequency applications, reducing switching losses and improving overall performance.
6. Temperature Range: The operating junction temperature can range from -65°C to +150°C, making it suitable for a wide variety of environmental conditions.

Package and Dimensions:

The 1N5822 is typically available in a DO-41 package, which is a cylindrical glass package that provides good thermal performance and is easy to handle in circuit designs. The package dimensions are generally around 4.6 mm in diameter and 10.2 mm in length, with leads extending from either end for easy soldering onto PCBs.

Applications:

• Power Supply Circuits: Used in AC-DC converters and switch-mode power supplies (SMPS) for efficient rectification.
• Battery Chargers: Ideal for use in battery charging circuits due to its low forward voltage drop, which minimizes energy loss.
• Solar Inverters: Commonly found in solar power systems for rectifying the output from solar panels.
• Motor Control Circuits: Employed in circuits that require fast switching and low losses, such as in motor drives.

Conclusion:

The 1N5822 from STMicroelectronics is a reliable and efficient Schottky diode that offers excellent performance in a variety of electronic applications. Its low forward voltage drop, high current capacity, and fast switching characteristics make it a preferred choice for engineers looking to optimize power efficiency in their designs.