1N5408 Diode — High-Voltage, 3A Rectifier (DO-201AD) ⚡

The 1N5408 is a robust, general-purpose rectifier diode designed for high-voltage applications up to 1000 V with a continuous average forward current of 3 A. Ideal for power supplies, bridge rectifiers, battery chargers, and protection circuits in Arduino, Raspberry Pi, and other microcontroller or electronics modules, this through-hole component delivers reliable performance in demanding environments.

🔍 Overview

This standard recovery diode offers a maximum forward voltage of 1 V at 3 A and a reverse leakage current of just 10 µA at 1000 V. Packaged in the rugged DO-201AD case for easy through-hole mounting, it operates across a wide temperature range from -65°C to +150°C, making it suitable for industrial and hobbyist projects alike.

🧪 Key Technical Specifications

• Diode Type: Standard rectifier
• Maximum DC Reverse Voltage (VR): 1000 V
• Average Rectified Current (IO): 3 A
• Maximum Forward Voltage (VF): 1 V @ 3 A
• Recovery Time: Standard recovery, > 500 ns (tested ≈ 200 mA)
• Reverse Leakage Current (IR): 10 µA @ 1000 V
• Junction Capacitance: 25 pF @ 4 V, 1 MHz
• Mounting Type: Through-hole
• Package: DO-201AD
• Operating Temperature: -65°C to +150°C

💡 Why Choose the 1N5408?

• High-voltage handling: Suitable for mains-side rectification and high-voltage DC stages (up to 1000 V).
• High current capability: 3 A average for robust power conversion in electronics components and modules.
• Standard recovery: Dependable performance in general-purpose rectifier designs.
• Maker-friendly: Perfect for power input protection or rectification in Arduino/Raspberry Pi projects and other microcontroller systems.

🔧 Mounting & Packaging

The DO-201AD package supports through-hole assembly for secure mechanical mounting and efficient thermal conduction. Suitable for prototyping boards and custom PCBs in hobbyist and professional builds.

📦 Package Contents

• 1 × 1N5408 Diode

🛠️ Typical Applications

• AC to DC bridge rectifiers and power supplies
• Reverse polarity and back-EMF protection
• Battery chargers and adapters
• General-purpose electronics designs, modules, and microcontroller power stages

✅ Notes for Designers

• For continuous high-current operation, ensure adequate thermal management and proper lead length for heat dissipation.
• Observe polarity during installation; use in series or bridge configurations as required by your design.