The SB340 is a Schottky Barrier Rectifier manufactured by Vishay. It is designed for applications requiring high efficiency and fast switching speeds. Equivalent to the 1N5822, this rectifier is commonly used in various electronic circuits for voltage clamping, reverse polarity protection, and as a freewheeling diode.

Applications:

• Switching power supplies
• Freewheeling diodes in inductive circuits
• Reverse polarity protection circuits
• Voltage clamping
• DC-DC converters

Features:

• Low forward voltage drop
• High surge current capability
• High-frequency operation
• Guard ring for overvoltage protection
• RoHS compliant

Benefits:

• Improved efficiency in power supplies due to low forward voltage drop.
• Protection against voltage spikes and reverse polarity, increasing circuit reliability.
• Suitable for high-frequency applications due to fast switching speeds.
• Enhanced robustness with high surge current capability.

Specifications:

The SB340 has a maximum repetitive reverse voltage of 40V and a maximum average forward rectified current of 3.0A. Its peak surge forward current is rated at 80A. The forward voltage drop is typically around 0.5V at 3A. It operates over a temperature range of -65°C to +125°C. The device is commonly available in a DO-201AD package.

The Vishay SB340 Schottky Barrier Rectifier offers a combination of high performance, reliability, and efficiency, making it a suitable choice for various power management and protection applications.