The SIHF840ASTRL-GE3 is a single N-channel MOSFET from Vishay Siliconix, utilizing their advanced power MOSFET technology. This device is designed for high-voltage, high-current switching applications where efficiency and ruggedness are critical. Its low on-resistance minimizes conduction losses, and its robust design ensures reliable performance in demanding environments.

Applications

• Switch-mode power supplies (SMPS)
• Power factor correction (PFC) circuits
• Motor drives
• Lighting ballasts
• High-voltage DC-DC converters

Features

• Single N-Channel MOSFET
• High voltage (500V) capability
• Low on-resistance (RDS(on))
• Fast switching speed
• Avalanche rated
• Lead (Pb)-free plating

Benefits

• High Efficiency: The low RDS(on) minimizes power loss during conduction, improving overall system efficiency and reducing heat dissipation.
• Robust Performance: The avalanche rating ensures the device can withstand transient voltage spikes, enhancing reliability in demanding applications.
• Simplified Design: The high voltage capability reduces the need for complex voltage clamping circuits.
• Fast Switching: Fast switching speeds minimize switching losses, further contributing to high efficiency.
• Environmentally Friendly: The lead (Pb)-free plating ensures compliance with RoHS regulations.

Additional Details

The SIHF840ASTRL-GE3 features a drain-source voltage (VDS) of 500V and a continuous drain current (ID) of up to 8.3A (at TC = 25°C). Its RDS(on) is typically around 0.85 ohms at a gate-source voltage (VGS) of 10V. The gate threshold voltage (VGS(th)) is typically between 2V and 4V. The device is available in a TO-263 (D2PAK) package, suitable for surface mounting and providing good thermal performance. Detailed specifications can be found in the manufacturer's datasheet.