The YG861S15R is a Schottky Barrier Diode manufactured by Fuji Electric. It is designed for high-efficiency rectification in power supplies and other applications. Schottky diodes are characterized by their low forward voltage drop and fast switching speed, making them ideal for use in high-frequency circuits.

Applications:

• Switching power supplies
• Freewheeling diodes
• Reverse polarity protection
• High-frequency rectifiers
• Solar power inverters
• DC-DC converters

Features:

• Low forward voltage drop
• High surge current capability
• High-speed switching
• Low reverse leakage current
• Operating temperature range: -40°C to +175°C
• RoHS compliant

Benefits:

• Improved efficiency in power supply circuits
• Reduced power losses
• Faster switching speeds compared to conventional diodes
• Enhanced reliability in high-temperature environments

Additional Details:

The YG861S15R has a repetitive peak reverse voltage (VRRM) of 150V and an average forward current (IF(AV)) of 8A. The low forward voltage drop (VF) minimizes power losses in the forward direction, contributing to improved efficiency. The high surge current capability allows the diode to withstand transient current spikes without damage. The fast switching speed reduces switching losses, making it suitable for high-frequency applications. The low reverse leakage current minimizes power losses in the reverse direction. The diode is designed to operate over a wide temperature range, making it suitable for use in harsh environments. The YG861S15R is commonly used in switching power supplies, where efficiency and fast switching speeds are critical. It is also used as a freewheeling diode in inductive circuits to protect against voltage spikes. The device is packaged in a TO-220AB package, which provides good thermal performance. The termination is lead-free and RoHS compliant. The peak forward surge current is typically around 150A. The device is designed to be mounted on a heatsink for optimal thermal performance. Fuji Electric provides detailed specifications and application notes for this diode to assist designers in their applications.