The 8EWF12SPBF is a fast recovery epitaxial diode (FRED) from International Rectifier (now Infineon Technologies). It is designed for applications requiring efficient and fast switching rectification. This diode offers a combination of low forward voltage drop, fast reverse recovery time, and soft recovery characteristics, making it suitable for high-frequency power conversion applications.

Applications

• Output rectification in SMPS (Switched-Mode Power Supplies)
• Freewheeling diode in motor drives
• Snubber circuits
• PFC (Power Factor Correction) circuits
• Inverters and converters

Features

• Fast reverse recovery time:
• Low forward voltage drop: typically 0.93 V at 8 A
• Soft recovery characteristics
• High voltage capability: VRRM = 1200 V
• High surge current capability: IFSM = 90 A
• Operating junction temperature: -55°C to +150°C
• Isolated mounting base
• RoHS compliant

Benefits

• Improved efficiency in power conversion due to low forward voltage drop
• Reduced switching losses due to fast and soft recovery
• Lower EMI (Electromagnetic Interference) due to soft recovery characteristics
• Enhanced reliability due to high voltage and surge current capability
• Simplified thermal management due to isolated mounting base
• Compliance with environmental regulations

Additional Details

The 8EWF12SPBF is designed with an epitaxial construction to achieve its fast recovery performance. The soft recovery characteristic minimizes voltage spikes and ringing during switching, which reduces EMI and improves overall system reliability. The device is housed in a TO-220FPAC package, providing electrical isolation between the device and the heatsink. The isolation voltage is typically 2500 V RMS. This diode is designed for high-frequency switching applications and its key parameters are optimized for high-performance rectification. The repetitive peak reverse voltage is 1200V and it can handle a continuous forward current of 8A. The TO-220FPAC package allows for efficient heat dissipation.