1N5399 Rectifier Diode (1000V 1.5A)

Overview – 1N5399 Rectifier Diode (1000V 1.5A)

The 1N5399 Rectifier Diode is a general-purpose silicon diode built for dependable AC to DC rectification in medium-power electronic circuits. With a high reverse voltage rating of 1000V and an average forward current capacity of 1.5A, the 1N5399 is a solid choice for power supplies, battery chargers, adapters, motor drives, and industrial control electronics.

Key Benefits

• High voltage capability for demanding rectification tasks
• Low forward voltage drop to minimize power loss and heat
• Robust silicon construction for stable performance under electrical stress
• Axial lead package for simple PCB mounting and hand wiring
• Widely used and easy to source for repairs and upgrades

Features

• Reverse voltage rating: 1000V
• Average forward current: 1.5A
• Efficient AC to DC conversion for rectifier circuits
• Low forward voltage drop – reduces thermal dissipation
• Rugged silicon construction for reliability
• Axial lead package – easy to mount and replace
• Suitable for power and control circuitry

Technical Specifications

• Part number: 1N5399
• Maximum reverse voltage (VRRM): 1000V
• Average forward current (IF(AV)): 1.5A
• Forward voltage (VF): low (varies with current and temperature)
• Package: axial lead silicon diode
• Operating temperature range: industrial range typical for silicon rectifiers

Applications

• AC to DC rectifier circuits
• Power supply units and adapters
• Battery chargers
• DC motor drive circuits
• Industrial and control electronics
• DIY power electronics and hobby projects
• Repair and replacement of medium-power rectifier sections

Design and Installation Tips

Mounting

• Use the axial leads for straightforward PCB placement or point-to-point wiring.
• Allow for adequate cooling and copper area on the PCB to dissipate heat at higher currents.

Circuit Considerations

• Verify peak inverse voltages in your design to ensure the 1000V rating is sufficient.
• Use appropriate surge protection if your application sees high inrush currents.
• Consider parallel or heat-sinking techniques if continuous currents approach the diode rating.

Ordering and Replacement

The 1N5399 is widely available and commonly used as a direct replacement in many power and control circuits. When ordering, confirm the part marking and specifications match your circuit requirements.

Notes

Images are for illustration purposes only.