Leading Power Semiconductor Manufacturer


At LJ-MD, we offer reliable and high-performing solutions for your power electronics needs. Explore our catalog now!

Welcome to our comprehensive range of high-quality products at LJ-MD. As a leading provider of diodes and thyristors, we offer a diverse selection of cutting-edge solutions designed to meet the demanding requirements of power control applications.


Our product lineup includes a wide range of diodes tailored to your specific needs. From standard rectifier diodes to fast recovery diodes, we have the perfect solution for efficient power conversion and rectification. Our diodes feature high surge current capability and low forward voltage drop, ensuring reliable and precise performance.


For advanced power control applications, our selection of thyristors is second to none. Our thyristors offer excellent dynamic characteristics, superior surge capabilities, and precise control for various power switching requirements. Whether you need phase control thyristors or fast thyristors, we have the right solution to optimize your power control systems.

At LJ-MD, we prioritize reliability, performance, and innovation. All our products undergo rigorous testing and quality control processes to ensure exceptional reliability and durability in real-world operating conditions. We work closely with industry standards and continually innovate to stay ahead of the curve.


Furthermore, our team of experienced professionals is dedicated to providing personalized support and technical assistance. We understand the unique challenges of power control projects and are committed to helping you find the best solutions for your specific requirements. With our expertise and guidance, you can make informed decisions and achieve optimal results.


Experience the power of our exceptional diodes and thyristors. Explore our product range and discover the perfect components to enhance your power control systems. For further inquiries or to discuss your project needs, please don’t hesitate to contact our friendly team. We look forward to assisting you and helping you succeed in your power control endeavors.


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We are open to manufacturing products at our production facilities according to your requests and technical specifications.