BY399 Fast Recovery Diode (3A, 800V)

Overview

The BY399 is a high-performance Fast Recovery Rectifier Diode engineered for demanding power electronics applications. With a robust 3A average forward current and an 800V repetitive peak reverse voltage, this diode excels in high-speed switching environments where efficiency and reliability are paramount. Its fast reverse recovery time minimizes switching losses, making it an essential component for modern power supply designs.

Key Features

• Fast Recovery Time: Optimized for high-frequency switching, reducing power loss and improving efficiency.
• High Voltage Rating: 800V VRRM ensures reliable operation in high-voltage circuits.
• 3A Forward Current: Suitable for a wide range of power applications, from industrial converters to DIY projects.
• Robust DO-201AD Package: Axial through-hole design for easy mounting and excellent thermal performance.
• Reliable Construction: Built to withstand demanding conditions, ensuring long-term durability.

Technical Specifications

| Parameter | Value | |-----------|-------| | Repetitive Peak Reverse Voltage (VRRM) | 800V | | Average Forward Current (IF(AV)) | 3A | | Package Type | DO-201AD (Axial) | | Recovery Time | Fast (typically < 500ns) | | Forward Voltage Drop | Low (typically 1.3V at 3A) | | Operating Temperature Range | -40°C to +150°C |

Applications & Use Cases

• Switching Power Supplies (SMPS)
• Inverters and Converters
• Freewheeling and Clamping Diodes
• Snubber Circuits
• Power Factor Correction (PFC)
• Motor Controllers
• Battery Chargers
• General Purpose Rectification in High-Voltage Circuits

What's Included

• 1x BY399 Fast Recovery Diode (3A, 800V) in DO-201AD package

Compatibility

• Compatible with standard through-hole PCB layouts and breadboards (with adapter).
• Suitable for use in circuits designed for similar fast recovery diodes (e.g., BY399, FR307, UF4007).
• Pairs well with MOKWN's range of power supplies, transformers, and heat sinks.

MOKWN Recommendation

The BY399 is a versatile and reliable choice for engineers, students, and hobbyists working on power electronics projects. Its fast recovery characteristics make it ideal for high-efficiency designs, while the high voltage rating ensures safety in demanding applications. Whether you're prototyping a switch-mode power supply or building a motor controller, the BY399 delivers consistent performance. For optimal results, combine it with quality electrolytic capacitors and proper heat management. Trust MOKWN for genuine components that keep your projects running smoothly.