Semikron SKM600GB126D

Semikron SKM600GB126D

Semikron SKM600GB126D
The Semikron SKM600GB126D is a highly significant component in the field of power electronics. This article aims to provide a comprehensive understanding of the SKM600GB126D module, highlighting its key features, applications, and benefits.

Key Features of Semikron SKM600GB126D

  • The Semikron SKM600GB126D is a dual IGBT (Insulated Gate Bipolar Transistor) module, combining the advantages of both IGBTs and diodes.
  • It operates at a high voltage rating, typically up to 1200V, allowing it to handle substantial power levels.
  • The module has low saturation voltage and fast switching capabilities, enhancing its efficiency and enabling seamless operation in demanding environments.

Applications of Semikron SKM600GB126D

  • The SKM600GB126D module finds extensive utilization in the field of renewable energy, particularly in solar power systems. It efficiently converts solar energy into usable electricity and ensures reliable operation in diverse environmental conditions.
  • It is also widely used in industrial motor drives, enabling precise control and efficient operation of electric motors in industries such as manufacturing, transportation, and robotics.
  • The module is employed in electric vehicles (EVs) and hybrid electric vehicles (HEVs) for power conversion and control, contributing to enhanced energy efficiency and extended driving range.

Benefits of Semikron SKM600GB126D

  • The module's high voltage rating ensures compatibility with a wide range of power systems, providing flexibility and adaptability.
  • Its low saturation voltage minimizes power losses, resulting in improved energy efficiency and a greener environment.
  • The fast switching capabilities of the module enhance system performance and response time.
  • Semikron's reputation for quality and reliability is reflected in the SKM600GB126D module, ensuring long-term durability and safe operation.
  • The module reduces maintenance requirements and enhances system uptime, crucial factors in industrial and automotive applications.

Power Electronic Components


  • The Silicon Controlled Rectifier (SCR) is an electronic switch that controls the flow of electric current.
  • It is widely used in motor control, power supplies, and voltage regulation.
  • The Semikron SKM600GB126D is a power electronic component that incorporates SCR technology.
  • It has a high current rating of up to 600A and a high voltage rating of 1200V, making it suitable for demanding industrial applications.
  • The SCR technology in the SKM600GB126D ensures robustness and reliability, even in high-temperature and voltage surge conditions.
  • It offers excellent controllability and efficiency, allowing for precise power regulation and energy savings.


  • Diodes are essential components that convert AC (alternating current) into DC (direct current).
  • They allow current to flow in one direction while blocking the reverse flow.
  • The Semikron SKM600GB126D utilizes diode technology to rectify AC power into stable DC voltage.
  • The diodes in the SKM600GB126D have a low forward voltage drop, minimizing power losses and improving system efficiency.
  • They also have a high surge current capability, handling short-term current spikes without compromising performance.
  • The diodes in the SKM600GB126D have a fast switching speed, ensuring smooth and stable power conversion.
  • They are designed to withstand high temperatures and operate reliably in harsh environments.


  • The Insulated Gate Bipolar Transistor (IGBT) is a power electronic component that combines the advantages of MOSFETs and BJTs.
  • The Semikron SKM600GB126D incorporates IGBT technology for precise control over high currents and voltages.
  • It has high current and voltage ratings, making it suitable for demanding industrial applications.
  • The IGBT technology in the SKM600GB126D has a low on-state voltage drop, minimizing power losses and heat generation.
  • It offers fast turn-on and turn-off times, enabling smooth and accurate power regulation.
  • The IGBTs in the SKM600GB126D have built-in protection features, such as overcurrent and overtemperature protection, ensuring safe operation.

Advantages of Semikron SKM600GB126D

High Efficiency

  • The SKM600GB126D power electronic component is highly efficient compared to similar devices in the market.
  • It achieves high levels of efficiency through its advanced design and cutting-edge technology.
  • The device has low conduction and switching losses, resulting in reduced energy consumption and improved system efficiency.
  • It utilizes state-of-the-art silicon carbide (SiC) technology, enabling it to operate at higher frequencies with minimal power losses.
  • The SKM600GB126D is equipped with advanced thermal management features, ensuring efficient cooling and preventing overheating.
  • It boasts an impressive efficiency rating of over 98%, meaning minimal energy wastage.
  • Ideal for applications where energy efficiency is crucial, such as renewable energy systems, electric vehicles, and industrial automation.

Compact and Lightweight

  • The SKM600GB126D has a compact and lightweight design, offering installation and space-saving benefits.
  • It occupies minimal space and allows for flexible installation options, even in constrained environments.
  • The device's lightweight construction enhances its versatility and ease of handling during installation.
  • The compact and lightweight design contributes to the overall reduction in system weight.
  • Particularly advantageous in applications such as electric vehicles, where weight reduction improves efficiency and extends battery life.
  • Enables enhanced vehicle performance and range.

Simple Installation

  • The SKM600GB126D offers a simplified installation process suitable for both experienced professionals and newcomers to power electronics.
  • It features a user-friendly interface with clear and intuitive labeling for easy identification of input and output terminals.
  • Comprehensive installation guidelines and documentation provide detailed step-by-step instructions, wiring diagrams, and safety precautions.
  • The availability of such documentation enhances the ease of installation and reduces the risk of errors or damage.
  • The device incorporates robust mounting options, including secure fastening mechanisms and standardized hole patterns.
  • These design elements simplify the physical installation and ensure a secure and reliable connection to the system.



The Semikron SKM600GB126D power module is widely used in heating systems for various applications. It offers advanced features and capabilities that make it an ideal choice for different industries and technologies.

Industrial Heating:

The Semikron SKM600GB126D plays a crucial role in providing efficient and reliable heating solutions in industrial settings. It is commonly used in industries such as chemical processing, oil and gas, food processing, and pharmaceuticals. The module's high power handling capacity and robust design make it suitable for demanding industrial environments.
  • In chemical processing plants, the Semikron SKM600GB126D is used in electric furnaces to heat chemical reactors and distillation columns. Its precise control and fast response time ensure accurate temperature regulation, enabling optimal process conditions and improved productivity.

HVAC Systems:

Heating, ventilation, and air conditioning (HVAC) systems require precise temperature control and energy efficiency. The Semikron SKM600GB126D is employed in HVAC systems to regulate heating elements and ensure optimal comfort levels in residential, commercial, and industrial buildings.
  • In a commercial building, the Semikron SKM600GB126D can be used in an electric heating system to control the temperature in different zones. By modulating the power output, it ensures that each area receives the desired level of warmth, resulting in energy savings and enhanced occupant comfort.

Electric Vehicle Heating:

Efficient heating solutions are essential for maintaining passenger comfort in electric vehicles (EVs). The Semikron SKM600GB126D is utilized in EV heating systems to power electric heaters and defrosting systems, ensuring a comfortable and safe driving experience.
  • In an electric bus, the Semikron SKM600GB126D can be integrated into the heating system to provide rapid and efficient heating during cold weather conditions. Its high power capability enables quick warm-up times, allowing passengers to enjoy a comfortable journey while minimizing energy consumption.


The Semikron SKM600GB126D power module also finds applications in lighting systems, contributing to enhanced lighting technologies and improved energy efficiency.

LED Lighting:

Light-emitting diode (LED) technology has revolutionized the lighting industry, offering energy-efficient and long-lasting lighting solutions. The Semikron SKM600GB126D is utilized in LED lighting systems to regulate the power supply and ensure optimal performance of the LEDs.
  • In a commercial building, the Semikron SKM600GB126D can be integrated into an LED lighting system to control the power output based on ambient light conditions. This enables automatic dimming or brightening of the lights, resulting in energy savings and improved lighting quality.

Street Lighting:

Efficient street lighting is crucial for public safety and energy conservation. The Semikron SKM600GB126D is employed in street lighting systems to regulate the power supply and control the brightness of streetlights, ensuring optimal illumination while minimizing energy consumption.
  • In a smart city project, the Semikron SKM600GB126D can be utilized in street lighting systems equipped with sensors that detect ambient light levels and adjust the brightness accordingly. This dynamic lighting control not only saves energy but also enhances visibility and safety for pedestrians and drivers.

Power Regulation

The Semikron SKM600GB126D power module is widely used in power regulation systems, where precise control and efficient operation are paramount.

Renewable Energy Systems:

Renewable energy sources such as solar and wind power require efficient power regulation to ensure stability and grid compatibility. The Semikron SKM600GB126D is utilized in renewable energy systems to control the power output and synchronize it with the grid requirements.
  • In a solar power plant, the Semikron SKM600GB126D can be integrated into the inverter system to convert the DC power generated by solar panels into AC power suitable for the grid. Its high power handling capacity and advanced control features enable efficient power conversion, maximizing the utilization of solar energy.

Uninterruptible Power Supplies (UPS):

UPS systems provide backup power during utility outages, ensuring continuous operation of critical equipment. The Semikron SKM600GB126D is employed in UPS systems to regulate and stabilize the power supply, safeguarding sensitive electronic devices against power fluctuations.
  • In a data center, the Semikron SKM600GB126D can be utilized in the UPS system to provide reliable and clean power to servers, networking equipment, and storage systems. Its high efficiency and fast response time ensure seamless power transfer during blackouts, preventing data loss and downtime.



  • The Semikron SKM600GB126D power module is designed for high voltage applications in various industries.
  • It has a voltage rating of 1200V, ensuring reliable operation even under demanding conditions.
  • The module can handle heavy loads and surges without compromising performance or longevity.
  • It has a wide voltage range of 900V to 1300V, making it compatible with different power systems.
  • The SKM600GB126D incorporates advanced voltage protection mechanisms to ensure safety and protection.
  • It includes built-in voltage sensors and overvoltage protection circuits that actively monitor voltage levels and intervene if abnormalities are detected.


  • The SKM600GB126D power module is ideal for high-power applications in various industries.
  • It can handle a continuous current of up to 600A, powering heavy-duty machinery and equipment.
  • The module has excellent short-circuit current capability, withstanding short-duration current peaks of up to 3000A without damage.
  • It incorporates advanced current protection mechanisms to ensure safety and reliability.
  • Current sensing circuits and overcurrent protection features actively monitor current flow and intervene if irregularities are detected.


  • The SKM600GB126D power module operates within a wide frequency range for precise control and efficient power delivery.
  • It can operate within a frequency range of 0Hz to 1kHz, providing versatility for various applications.
  • The module exhibits excellent frequency response characteristics with low harmonic distortion, ensuring clean power output.
  • It incorporates advanced frequency control mechanisms for stable and consistent power delivery.
  • Frequency monitoring circuits and feedback loops continuously monitor and adjust the frequency output for optimal operation.

Safety Features

The Semikron SKM600GB126D is designed with various safety features to ensure reliable and safe operation. These features include insulation, mounting position, and electrical connections. Let's explore each of these aspects in detail.


The SKM600GB126D incorporates insulation measures to prevent electrical leakage, reduce the risk of electrical shock, and protect the module from external environmental factors.
  1. Electrical Insulation:
  2. High-quality electrical insulation materials, such as silicone rubber, are used to ensure reliable and efficient operation.
  3. Silicone rubber provides excellent electrical insulation properties and thermal stability, preventing short circuits or electrical breakdowns.
  4. Thermal Insulation:
  5. The module includes ceramic insulation plates that act as a barrier, minimizing heat transfer between power components and the external environment.
  6. This insulation enhances safety, improves thermal performance, and prevents overheating and potential damage.
  7. Optocoupler Isolation:
  8. Optocoupler isolation technology is employed to ensure electrical isolation between the control circuitry and the power circuitry.
  9. By using light signals to transmit control signals, optocouplers eliminate direct electrical connections, reducing the risk of voltage spikes and enhancing safety.

Mounting Position

Proper mounting of the SKM600GB126D is crucial for optimal safety and performance. The recommended mounting position is in a vertical orientation, with the heat sink facing downwards. To ensure safe and reliable operation, the following guidelines should be observed:
  1. Heat Sink:
  2. Securely attach the heat sink to the module using appropriate mounting hardware to ensure proper thermal contact and efficient heat transfer.
  3. Mounting Surface:
  4. The mounting surface should be flat, clean, and free from debris or contaminants that could hinder proper heat dissipation.
  5. Irregularities in the mounting surface can lead to uneven heat distribution and potential hotspots.
  6. Clearance:
  7. Provide sufficient clearance around the module to allow for proper airflow and cooling.
  8. This prevents heat accumulation and ensures the module operates within its recommended temperature range.
  9. Electrical Connections:
  10. Ensure all electrical connections are properly secured and tightened according to the manufacturer's specifications.
  11. Loose or improper connections can lead to increased resistance, voltage drops, and potential safety hazards.
By adhering to these mounting guidelines and considerations, the Semikron SKM600GB126D can operate safely and reliably, maximizing its performance and longevity.


Market Value

The Semikron SKM600GB126D is a high-performance power module widely used in various industries. To understand its market value, we will compare it with similar products available in the market.

Comparison with Similar Products:

  • The SKM600GB126D belongs to the IGBT power module category and competes with products from Infineon, Mitsubishi Electric, and Fuji Electric.
  • Factors like performance, reliability, features, and brand reputation come into play when comparing the SKM600GB126D with these products.
a. Performance:
  • The SKM600GB126D offers exceptional performance with high voltage and current ratings, low switching losses, and high thermal conductivity.
  • It is suitable for demanding applications like renewable energy systems, industrial drives, and electric vehicles.
b. Reliability:
  • Semikron is renowned for high-quality power modules, and the SKM600GB126D undergoes rigorous testing and quality control processes.
  • This ensures long-term reliability and durability, reducing the risk of failure and downtime in critical applications.
c. Features:
  • The SKM600GB126D incorporates advanced features like short-circuit protection, temperature monitoring, and integrated gate drivers.
  • These features enhance system safety, efficiency, and overall performance, making it an attractive choice for customers.
d. Brand Reputation:
  • Semikron has established itself as a trusted brand in the power electronics industry.
  • Their commitment to innovation, customer support, and product excellence contributes to the market value of the SKM600GB126D.

Factors Influencing Pricing:

  • The pricing of the SKM600GB126D is influenced by factors like demand and supply, manufacturing costs, and competition.
  • Market trends, industry growth, and technological advancements affect the demand for the SKM600GB126D and similar power modules.
  • Manufacturing costs, including raw materials, labor, research and development, testing, and quality control, impact the final price.
  • Competing manufacturers and their pricing strategies also play a significant role in determining the market value of the SKM600GB126D.

Manufacturer Pricing

Semikron offers various pricing options for the SKM600GB126D, catering to different customer needs.

Standard Pricing:

  • Semikron follows a tiered pricing structure based on the volume of orders.
  • Higher volume orders generally receive discounted prices, incentivizing customers to purchase in larger quantities.
  • This ensures that both small-scale and large-scale customers can benefit from competitive prices.

Custom Pricing:

  • For customers with unique requirements or long-term partnerships, Semikron offers custom pricing options.
  • These pricing plans are tailored to meet specific needs, including volume commitments, extended warranties, and technical support packages.
  • Custom pricing allows customers to optimize their costs while receiving additional value-added services.

Promotions and Discounts:

  • Semikron periodically runs promotions and discounts to enhance the value proposition of the SKM600GB126D.
  • These promotions may include limited-time discounts, bundle offers with complementary products, or special pricing for specific industries or applications.
  • Customers are encouraged to stay updated with Semikron's promotional campaigns to take advantage of these opportunities.