The SSS5N90A is a high-voltage N-channel MOSFET from Fairchild/ON Semiconductor. It is designed for high-efficiency switching applications. This MOSFET is characterized by its low on-resistance and fast switching speed, making it suitable for power supplies, motor control, and lighting applications.

Applications

• Switch-mode power supplies (SMPS).
• Power factor correction (PFC) circuits.
• DC-DC converters.
• Motor control circuits.
• Lighting ballasts.

Features

• Voltage Rating: 900V
• Continuous Drain Current: 5A
• On-Resistance (RDS(on)): 2.5 Ohms (typical)
• Gate Threshold Voltage: 2V to 4V
• Operating Temperature Range: -55°C to +150°C
• Package: TO-220
• Fast Switching Speed: Reduces switching losses.
• Avalanche Ruggedness: Provides increased reliability.

Benefits

• High Efficiency: Low on-resistance minimizes conduction losses, improving overall efficiency.
• High Voltage Capability: Suitable for high-voltage applications, reducing the need for complex circuit designs.
• Fast Switching: Reduces switching losses and improves system performance.
• Robust Design: Avalanche ruggedness ensures reliability in demanding applications.
• Simplified Thermal Management: TO-220 package facilitates effective heat dissipation.

Additional Details

The SSS5N90A is designed with advanced planar technology to achieve excellent performance characteristics. It is lead-free and RoHS compliant. Its high avalanche energy capability makes it suitable for applications where inductive loads are present. The device’s gate charge is optimized for efficient switching. The TO-220 package allows for easy mounting and heat sinking, enabling reliable operation at high power levels. Proper gate drive circuitry is crucial for optimal performance. It is designed to minimize switching losses and improve overall system efficiency.