The SF29 is a fast recovery rectifier diode manufactured by Vishay. It is designed for use in high-speed switching applications requiring high efficiency and low reverse recovery time.

Applications:

• Switching Mode Power Supplies (SMPS)
• Continuous Current Mode (CCM) Power Factor Correction (PFC)
• DC-DC converters
• Freewheeling diodes in inductive loads
• Lighting applications (e.g., LED drivers)

Features:

• Fast Reverse Recovery Time
• High Surge Current Capability
• Low Forward Voltage Drop
• High Reliability
• RoHS Compliant

Benefits:

• Improved Efficiency: The fast reverse recovery time minimizes switching losses, leading to higher overall efficiency in power conversion circuits.
• Reduced EMI: The fast recovery characteristic helps to reduce electromagnetic interference (EMI) generated by the switching action.
• Lower Power Dissipation: The low forward voltage drop contributes to lower power dissipation and improved thermal performance.
• Enhanced System Reliability: The robust design and high surge current capability ensure reliable operation in demanding applications.
• Compact Design: Enables smaller and more compact power supply designs.

Technical Specifications:

The SF29 has a Repetitive Peak Reverse Voltage (VRRM) of 600V and a Forward Current (IF) of 2A. The typical reverse recovery time (trr) is around 75 ns. The forward voltage drop (VF) is typically around 1.3V at 2A. The operating temperature range is typically -65°C to +175°C.

The package type is DO-201AD. It is designed for through-hole mounting.

The SF29 from Vishay is a reliable and efficient fast recovery rectifier diode suitable for a wide range of power electronics applications. Its fast switching speed, low forward voltage drop, and high surge capability make it a good choice for improving the efficiency and performance of power supplies, converters, and other high-speed switching circuits.