The WF12N50 is a 500V, 12A N-Channel MOSFET from Alpha & Omega Semiconductor (AOS). It utilizes AOS's advanced Power MOSFET technology to achieve high performance and efficiency. This MOSFET is designed for high-voltage, high-current switching applications.

Applications

• Power supplies: Switch-mode power supplies (SMPS), AC-DC converters, and DC-DC converters.
• Motor control: Brushless DC (BLDC) motor drives, and servo motor control.
• Lighting: LED lighting drivers, electronic ballasts.
• Inverters: Solar inverters, uninterruptible power supplies (UPS).
• Power factor correction (PFC): Active PFC circuits.

Features

• VDS = 500V: High breakdown voltage for high-voltage applications.
• ID = 12A (at VGS = 10V): High continuous drain current capability.
• RDS(ON) = 0.65Ω (at VGS = 10V): Low on-resistance for reduced power dissipation.
• Qg (typical) = 22nC: Low gate charge for fast switching speeds.
• EAS = 160mJ: High single pulse avalanche energy rating.
• Avalanche Rugged Technology: Enhanced robustness against avalanche breakdown.
• RoHS Compliant: Environmentally friendly.

Benefits

• High Efficiency: Low RDS(ON) minimizes conduction losses, improving efficiency.
• Fast Switching: Low gate charge enables high-frequency operation.
• Robustness: Avalanche Rugged Technology enhances reliability.
• Compact Design: Allows for smaller and more efficient power supply designs.
• Reduced Heat Dissipation: Low on-resistance minimizes heat generation.

Additional Details

The WF12N50 is offered in a TO-220F package, providing excellent thermal performance. It is designed to operate over a wide temperature range. Its low on-resistance contributes to high efficiency in power conversion applications. The device's avalanche ruggedness provides added protection against voltage transients. The high breakdown voltage makes it suitable for off-line power supplies and other high-voltage applications. It's a reliable and efficient choice for power electronics designers.