The SSS2N90A, manufactured by Fairchild/ON Semiconductor, is a high voltage N-channel MOSFET designed for efficient power switching in various applications. This MOSFET is known for its high voltage capability, fast switching speed, and low on-resistance, making it suitable for power supplies, adapters, and lighting applications.

Applications:

• Power Supplies: Used in switch-mode power supplies (SMPS) as the primary switching component.
• AC-DC Adapters: Suitable for use in AC-DC adapters for various electronic devices.
• Electronic Ballasts: Used in electronic ballasts for fluorescent and LED lighting.
• Motor Control: Drives small DC motors in consumer and industrial applications.
• Battery Chargers: Employed in battery charger circuits for efficient power conversion.

Features:

• N-Channel MOSFET: Provides efficient switching performance.
• High Voltage Capability: Can handle high voltage applications up to 900V.
• Low On-Resistance: Minimizes power loss during conduction.
• Fast Switching Speed: Enables high-frequency switching operations.
• Avalanche Rated: Designed to withstand avalanche breakdown conditions.

Benefits:

• Efficient Power Switching: Reduces power consumption in switching applications.
• Reliable Performance: Provides stable and reliable operation in harsh environments.
• Simplified Circuit Design: Reduces the complexity of power circuit designs.
• Improved System Performance: Enhances overall system performance with fast switching speeds.
• Robust Design: Designed to withstand high voltage and avalanche conditions.

Technical Specifications: The SSS2N90A typically features a drain-source voltage (VDS) of 900V, a gate-source voltage (VGS) of ±30V, and a continuous drain current (ID) of 2A. The on-resistance (RDS(on)) is typically around 5.5 ohms at a gate-source voltage of 10V. The gate charge (Qg) is typically around 7 nC. It is packaged in a TO-220 or similar through-hole package. Refer to the official datasheet for detailed and precise specifications.

In summary, the SSS2N90A from Fairchild/ON Semiconductor is a high-performance N-channel MOSFET suitable for various high voltage switching applications. Its high voltage capability, low on-resistance, and fast switching speed make it an excellent choice for power supplies, AC-DC adapters, and lighting systems where efficiency and reliability are crucial.