UF5408 Ultrafast Diode ⚡

The UF5408 is a high-performance ultrafast recovery diode designed for rapid switching in high-frequency power electronics. Ideal for switch-mode power supplies (SMPS), inverters, and rectifier stages, it supports up to 1000 V reverse voltage with a typical forward drop of ~1.0 V (max 1.7 V). Housed in a rugged DO-201AD (DO-27) axial package, it is well-suited to both professional designs and hobbyist projects using Arduino, Raspberry Pi, and other microcontroller platforms.

Key Specifications 📐

• Type: Ultrafast diode
• Peak Repetitive Reverse Voltage (VRRM): 1000 V
• Max. RMS Reverse Voltage (VR): 700 V
• Average Rectified Current (IO): 3.0 A
• Max. Reverse Current (IR): 0.010 mA (10 µA)
• Max. Forward Voltage Drop (VF): 1.7 V
• Reverse Recovery Time (trr): 75 ns
• Package Type: DO-201AD (DO-27)

Primary Use Cases 🔧

• Fast switching applications in power electronics
• High-frequency power supplies and SMPS modules
• Inverters and DC–AC conversion stages
• Rectifier circuits requiring low reverse recovery

Engineers and makers can integrate the UF5408 into Arduino or Raspberry Pi power modules, motor drivers, and other electronics components where efficient voltage rectification and fast recovery are essential.

Operating Temperature 🌡️

−55°C to +150°C operating junction temperature range ensures reliable performance in demanding environments.

Package & Mounting 🧰

The DO-201AD (DO-27) axial-leaded package offers robust leads for through-hole mounting, making prototyping and assembly straightforward across development boards and custom PCBs.

Design Note 📝

Specifications may vary slightly between manufacturers. Always verify datasheet parameters for the specific part number and lot when finalizing designs, especially for critical limits such as VRRM, IR, VF, and trr.

Additional Resources 📄

For detailed electrical characteristics and curves, please refer to the DATASHEET.