IXYS IXSH50N120L3KHV SiC MOSFET

Introduction

The IXYS IXSH50N120L3KHV is a high-voltage silicon carbide (SiC) N-channel MOSFET designed for efficient, high-power switching applications. With a 1200 V drain-source rating, low on-resistance, and a rugged TO-247-4L package, it is well suited to power conversion systems where switching efficiency and thermal performance are important.

Part Description

The IXSH50N120L3KHV is a SiC MOSFET manufactured by IXYS. It supports a continuous drain current of up to 48.3 A and has a typical on-resistance of 55 mΩ, helping reduce conduction losses in high-current circuits.

Its silicon carbide construction provides advantages over conventional silicon MOSFETs in demanding power designs, including fast switching capability, high voltage operation, and the potential for improved efficiency at elevated switching frequencies. The device is supplied in a through-hole TO-247-4L package, which supports robust mechanical mounting and effective thermal connection to a heatsink.

Key characteristics include:

• 1200 V drain-source voltage rating
• 48.3 A continuous drain current capability
• 55 mΩ on-resistance
• 250 W power dissipation rating
• N-channel SiC MOSFET technology
• TO-247-4L through-hole package
• Suitable for high-voltage, high-efficiency switching circuits

Applications

Potential applications for the IXSH50N120L3KHV include:

• High-voltage DC-DC converters
• AC-DC power factor correction stages
• Solar inverter systems
• Battery charging equipment
• Electric vehicle power electronics
• Motor drives and variable-frequency drives
• Uninterruptible power supplies
• Switched-mode power supplies
• Induction heating equipment
• Industrial welding power supplies
• Solid-state circuit breakers
• High-voltage resonant converters

Industries

This SiC MOSFET may be used in the following industries:

• Renewable energy
• Electric vehicles and transportation
• Industrial automation
• Power generation and distribution
• Energy storage
• Consumer and commercial power electronics
• Telecommunications infrastructure
• Aerospace and defense power systems
• Medical equipment
• Rail and heavy transportation
• Research and laboratory equipment

Usage Ideas

1. High-Efficiency Solar Inverter
   Use the MOSFET in the switching bridge of a solar inverter to convert high-voltage DC from photovoltaic strings into AC power.

2. Electric Vehicle Fast Charger
   Incorporate the device into a high-frequency DC-DC converter stage for an EV charging system, where reduced switching and conduction losses can improve efficiency.

3. Three-Phase Motor Drive
   Build a compact inverter stage for an industrial motor controller or pump drive operating from a high-voltage DC bus.

Conclusion

The IXYS IXSH50N120L3KHV is a 1200 V SiC MOSFET intended for demanding high-power switching designs. Its 48.3 A current capability, 55 mΩ on-resistance, 250 W dissipation rating, and TO-247-4L package make it a practical choice for power conversion, motor control, renewable energy, charging, and industrial energy-management applications.