Diode 1N5408 – 3A 1000V Rectifier Diode

The 1N5408 diode is a reliable and cost-effective high-current rectifier diode designed for circuit protection and voltage rectification. It supports a maximum repetitive reverse voltage of 1000V and can handle forward currents up to 3A. Therefore, it is widely used in power supply circuits and electronic protection systems.

Additionally, the diode features a DO-201 axial package, which provides good heat dissipation and stable electrical performance. Because of its strong surge capability and low leakage current, the 1N5408 diode works well in many electronic devices and power applications.

As a result, engineers, technicians, and electronics hobbyists commonly use this diode in power adapters, battery chargers, and AC-to-DC conversion circuits.

Key Features

• High Reverse Voltage Capacity – Supports up to 1000V reverse voltage

• High Forward Current – Handles 3A average forward current

• Low Forward Voltage Drop – About 1V at 3A

• Strong Surge Capability – Supports up to 200A non-repetitive peak current

• Low Reverse Leakage Current – Maximum 10µA

• Durable DO-201 Package – Ensures stable and reliable operation

• Ideal for Power Circuits – Suitable for rectification and circuit protection

Technical Specifications

Applications

The 1N5408 diode is commonly used in many electronic circuits. For example:

• Power supply rectification

• AC to DC conversion

• Battery chargers

• Power adapters

• Reverse polarity protection

• Electronic DIY projects

• Industrial electronic equipment

Furthermore, its high voltage rating and current capacity make it suitable for power electronics and educational electronics projects.

Package Includes

• 1 × 1N5408 Rectifier Diode

✅ Perfect for:
Electronics laboratories, engineering students, repair technicians, DIY electronics projects, and industrial electronic circuits.