### Application Examples

#### Power Supply Units
The 2SJ478-VB MOSFET is suitable for high-power power supply units, especially where high-power switching is required. Its high drain-source voltage and low on-resistance make it efficient and stable in power conversion, providing a stable power supply for various electronic devices.

#### Motor Drive Circuits
In motor drive circuits, this MOSFET can be used to control high-power motors. Its high drain-source voltage and current handling capabilities enable precise control of motor speed and direction, suitable for industrial machinery, electric vehicles and aerospace applications.

#### High-Power LED Lighting Systems
For lighting systems that require high-power LEDs, the 2SJ478-VB can be used for switching and dimming applications. Its high current handling capability and low on-resistance ensure efficient energy management in LED drivers, providing reliable and long-lasting lighting solutions for large commercial buildings and stage lighting.

#### Hi-Fi Audio Systems
In Hi-Fi audio systems, this MOSFET can be used for high power amplification. Its low on-resistance and high current handling capability ensure high fidelity audio output with minimal distortion, making it ideal for professional audio equipment and performance venues.

### Summary
The 2SJ478-VB N-Channel MOSFET features high power capability, trench technology and high performance specifications, making it suitable for a wide range of applications from power supply units and motor drive circuits to high power LED lighting systems and Hi-Fi audio systems.