Leading Power Semiconductor Manufacturer
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WE CRAFT QUALITY, TO SHAPE TOMORROW

In service, we deliver value; through quality, we forge the future! With a 15-year commitment to producing power semiconductor devices, LJ-MD stands at the forefront of the photovoltaic and new energy revolution. Our anti-reverse diodes, thyristor modules, and flat-type thyristor modules cater to a wide range of industries, from variable frequency drives and soft starters to photovoltaic and new energy solutions, high-frequency power supplies, electromagnetic heating, welding equipment, and more.

ABOUT LJ-MD
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Quality and Environmental Standards

At LJ-MD, we prioritize quality and environmental responsibility. As a testament to our commitment, we are proud to hold the following certifications:

Industrial Use Cases

Covering More Than a Dozen Different Uses, Earning Worldwide Praise

INVERTER
DC CABINET
CHARGING STATION
WELDING EQUIPMENT
HEATING SYSTEM
HIGH VOLTAGE REGULATION
HIGH FREQUENCY EQUIPMENT
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Into LJ-MD

Zhejiang Liujing Rectifier Co., Ltd.

Zhejiang Liujing Rectifier Co., Ltd. is a leading manufacturer of high-quality power semiconductor devices, well-regarded for our diverse product range and excellent service. With over 20 years of experience, we are driven by a commitment to quality, reliability, and competitive pricing. We aspire to be the top supplier of power semiconductors and seek lasting, mutually beneficial partnerships.

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We are your premium supplier

Whether you have a clear understanding of your needs or seek expert guidance for cost-effective cooling and control solutions, reach out to our power management specialists to discuss your requirements.

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Get in touch with us by submitting your requirement below. We will respond to your enquiry quickly with our best solutions.

CERTIFIED PATENT INNOVATORS
Knowledges

LJ-MD Scientific Blog

Main Applications of Thyristors

Introduction Thyristors, commonly known as silicon-controlled rectifiers (SCRs), find widespread applications in various electronic systems owing to their unique electrical properties. These semiconductor devices are primarily employed in power control

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Thyristor Standard Triggering

Introduction In the intricate landscape of semiconductor devices, the thyristor emerges as a cornerstone, finding its applications predominantly in power control circuits within electronic systems. The optimization of thyristor triggering

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Thyristors: Key Parameters

Introduction Standard Gate-Turn-Off Thyristors Thyristors, invented by GE in 1950, are four-layer three-terminal devices, as illustrated in Figure 1. These semiconductor devices play a crucial role in electronic circuits, offering

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