JEL SYSTEM CO,LTD List of Products and Services

- For backflow prevention: 45A to 200A - For droppers: 60A to 200A - For single-phase full-wave rectification: 80A to 180A - For three-phase full-wave rectification: 130A to 200A We also accommodate various custom requests. Please feel free to consult with us.

This is a high-frequency, high-current module equipped with SiC SBD (Silicon Carbide Schottky Barrier Diode). ◇ Average forward current 200A (DC/Tc = 100℃) ◇ Repetitive peak reverse voltage 1200V ◇ Junction temperature range Tvj -40℃ to 175℃ ◇ Switching time 100nsec ◇ Total charge Qc 180nC ◇ Forward voltage Vf 1.4V* Features Small temperature dependence in switching characteristics Low forward voltage, high-speed switching time Applications Contributes to miniaturization of high-output power supplies through high-frequency operation! Inverters, high-frequency pulse power supplies, industrial power supplies, medical power supplies, etc. *Please refer to the documentation for details.

◇Average on current lineup of 150A and 200A ◇Repeated peak off voltage of 1600V ◇Package lineup 　PWA series (4 terminals) PWB series (3 terminals) ◇In addition to Thy & Thy, a mixed module lineup of Di & Thy 【Features】 ■Supports various circuits with connection angles (PWA series) ■Compact package (PWB series) ■Improved heat dissipation characteristics due to unique structural design ■Compliant with UL standards Custom solutions and stack products are also available *For more details, please download the PDF or contact us.

◇ Lineup of average forward currents: 100A, 150A, 200A, 250A ◇ Repetitive peak reverse voltage: 800V, 1600V ◇ Package lineup: PWA series (4 terminals), PWB series (3 terminals), PWC series (compact 3 terminals) 【Features】 ■ Wide lineup of 150A to 250A in the same package (PWA series) ■ Compact package lineup for 150A and 200A (PWB series) ■ General-purpose package for up to 100A (PWC series) ■ Improved heat dissipation characteristics due to unique structural design ■ Compliant with UL standards Custom solutions and stacked products are also available. *For more details, please download the PDF or contact us.*

The new PWC series of products has arrived. We offer a lineup of small package diode modules with a 3-terminal 2-in-1 design. 【Diode Modules】 ◇ Average forward current 100A ◇ Repetitive peak reverse voltage 800V・1600V ◇ Circuit lineup tailored to applications (DTS・DTR) ◇ Custom solutions available for stacking and specific requests 【Model Names】 PWC100DTS08, PWC100DTS16, PWC100DTR08, PWC100DTR16 *For more details, please download the PDF or contact us.

Thyristor modules and diode modules are used in various situations such as rectifier circuits, surge voltage protection, and overcurrent protection. The power modules of the gel system meet the needs of the power system industry with high reliability and stable supply. 【Application Scenes】 - Protection of power supply circuits - Inverter and converter circuits - Various power systems 【Effects of Implementation】 - Reduces the risk of equipment failure - Contributes to stable operation of the system - Ensures high reliability

In the railway industry, control systems require high reliability and safety. Particularly in critical systems that support train operations, stable power supply is essential. Thyristor diode modules play a role in current rectification and protection within these systems, supporting the safe operation of the system. Our company meets the needs of railway control systems with long-term stable supply of thyristor diode modules. 【Usage Scenarios】 - Drive control of railway vehicles - Power supply for signaling systems - Power control for station facilities 【Benefits of Implementation】 - Improved system reliability - Assurance of stable power supply - Adaptability to various systems

In industrial machinery drive applications, high reliability and efficient power control are required. Especially in high-capacity power control such as power supply circuits and inverter circuits, higher safety is essential. Our thyristor diode modules support a wide range of current ratings and circuit configurations, contributing to the stable operation of industrial machinery. 【Usage Scenarios】 - Motor drive circuits - Inverter circuits - Power supply circuits 【Benefits of Implementation】 - Energy savings through efficient power control - Improved design flexibility due to a wide lineup - Risk avoidance through stable product supply

In the telecommunications infrastructure industry, a stable power supply is essential. In particular, it is important to protect equipment from overcurrent and voltage fluctuations in power circuits and backup systems, ensuring the reliability of the system. Our thyristor diode modules support a variety of circuit configurations and a wide range of current ratings, providing stable supply for infrastructure. 【Application Scenarios】 - Power circuits - Backup systems - Various communication devices 【Benefits of Implementation】 - Overcurrent protection - Protection from voltage fluctuations - Improved system reliability

In the renewable energy industry, systems such as solar power generation and wind power generation require efficient power conversion along with high safety standards. Thyristor modules and diode modules contribute to improving reliability in protection circuits and other areas within these systems. 【Usage Scenarios】 - Power conditioners for solar power generation systems - Inverters for wind power generation systems - Other power conversion devices related to renewable energy 【Benefits of Implementation】 - Overvoltage protection - Surge current countermeasures - Improved system reliability

In the machine tool industry, precise control and high reliability are required. In particular, overcurrent protection and countermeasures against back electromotive force are important in motor control and power circuits. Thyristor modules and diode modules provide stable operation and high durability to address these challenges. 【Application Scenes】 - Motor control circuits for machine tools - Protection of power circuits - Inverter circuits 【Effects of Implementation】 - Protection of circuits and increased lifespan - Realization of stable operation - Reduction of maintenance costs

In the robotics industry, high reliability and efficiency are required in motor control and power supply. In particular, overcurrent protection and countermeasures against back electromotive force are essential for the safe operation and longevity of robots. Proper selection of thyristor-diode modules addresses these challenges and contributes to the stable operation of robotic systems. 【Application Scenarios】 - Motor control for industrial robots - Power circuits for transport robots - Inverter circuits 【Benefits of Implementation】 - System protection through overcurrent protection - Extended component lifespan through countermeasures against back electromotive force - Compatibility with a wide range of current ratings

In the industrial robot industry, precise control of motors and actuators is required. Particularly, as high-speed and high-precision movements are demanded, the stability of power supply is a crucial factor that affects the performance of robots. Diode stacks contribute to the stabilization of power supply in these drive systems. 【Usage Scenarios】 - Motor drive circuits for industrial robots - Actuator control circuits - Power supply circuits 【Benefits of Implementation】 - Stabilization of power supply - Improved system reliability - Compatibility with a wide range of current ratings

In the automotive industry, control systems require high reliability and durability. Particularly in areas related to vehicle safety, stable power supply and protection from overcurrent are essential. Diode stacks provide functions such as reverse current prevention, droppers, and rectification to meet these demands and ensure system safety. 【Application Scenarios】 - Charging systems - Power supply circuits - Inverter circuits 【Benefits of Implementation】 - Improved system reliability - Protection from overcurrent - Stable power supply - Extended system lifespan

The diode stack contributes to the protection and efficiency of power circuits, enhancing the reliability of the system. Our diode stacks equipped with in-house developed devices have been designed to meet these demands. 【Usage Scenarios】 - Power systems - Various testing equipment 【Benefits of Implementation】 - Improved reliability of power systems - Enhanced safety through circuit protection - Compatibility with a wide range of current ratings - Optimization through custom solutions

We provide finely-tuned diode stacks tailored to customer specifications for circuits such as rectifier circuits using diodes, overvoltage protection, and emergency power supply systems in communication infrastructure. Custom solutions are also available to meet a wide range of needs. 【Application Scenarios】 - Wireless communication base stations - Power circuits - Overvoltage and overcurrent protection 【Benefits of Implementation】 - Improved safety of infrastructure systems - Enhanced flexibility in circuit design

In the renewable energy industry, there is a demand for the efficient conversion of electricity from sources such as solar power and wind power. It is particularly important to minimize losses in power conversion and enhance the reliability of the system. Diode stacks play a crucial role in power conversion circuits, serving functions such as preventing reverse current and rectification, which affect the efficiency and safety of the system. Our diode stacks equipped with in-house developed devices offer a wide range of current ratings and circuits, providing optimal solutions tailored to our customers' needs. 【Usage Scenarios】 - Power conditioners for solar power generation systems - Power converters for wind power generation systems - Charge and discharge circuits for battery storage systems 【Benefits of Implementation】 - Improved system reliability - Compatibility with a wide range of current ratings - Optimization through custom solutions

In the semiconductor manufacturing process, a stable power supply is essential. Diode stacks are utilized in various applications such as reverse current prevention, droppers, and rectification to support stable operation of the process. Our in-house developed diode stacks offer a wide range of current ratings and circuits, providing optimal solutions tailored to our customers' needs. 【Usage Scenarios】 - Power circuits for various semiconductor manufacturing equipment - Power supply in clean rooms 【Benefits of Implementation】 - Increased longevity of equipment - Improved stability of equipment

In the railway industry, the reliability of electrical systems is crucial for ensuring safety. In particular, emergency power supply and the stable operation of signal systems are essential for accident prevention. Diode stacks play an important role in these systems by preventing current backflow and rectifying power, thus supporting safe operations. Our proprietary diode stacks equipped with in-house devices contribute to the reliability improvement of railway systems. 【Usage Scenarios】 - Emergency power supply systems - Signal systems - Various power supplies 【Benefits of Implementation】 - Improved system reliability - Enhanced safety - Stable power supply

The in-house diode stack of the gel system for various power sources on board ships offers a wide range of current ratings and circuits, catering to various needs in ship navigation. [Usage Scenarios] - Power supply circuits - Inverter circuits [Benefits of Implementation] - Response to diverse power requirements

To meet the diverse needs of power circuits in each process of semiconductor manufacturing, we offer a wide range of diode stacks equipped with our own Gel System devices. We provide custom solutions to guide you to products that suit your needs. 【Application Scenarios】 - Power Circuits 【Benefits of Implementation】 - Improved safety of equipment

In the power transmission industry, the stable supply of electricity is the most important issue. High-performance rectifying devices are required to minimize transmission losses and enhance system reliability. Diode stacks contribute to improving transmission efficiency by controlling the flow of electricity and suppressing voltage drops. Our diode stacks equipped with in-house developed devices support the stable operation of transmission systems. 【Usage Scenarios】 - Substations - Transmission lines - Power conversion stations 【Benefits of Implementation】 - Improved system reliability - Stabilization of the system

In the base station industry, a stable power supply is essential. Diode stacks play a crucial role in protecting power systems and ensuring efficient power supply. Our diode stacks, equipped with in-house developed devices, offer a wide range of current ratings and circuits to support the stable operation of base stations. 【Usage Scenarios】 - Power circuits for base stations - Backup power supplies - Various rectifier circuits 【Benefits of Implementation】 - Improved system reliability - Stabilization of equipment

To meet the various applications of welding machine power circuits, Gel System's proprietary diode stack offers a wide range of products including backflow prevention, droppers, and rectifier circuits. Custom solutions are also available. 【Usage Scenarios】 - Power circuits for welding machines - Current control for various welding processes 【Benefits of Implementation】 - Optimization of various power circuits - Stabilization of welding machine manufacturing

We meet the various power supply circuit needs of laser processing machines. Our stack, using in-house manufactured diodes from the gel system, is widely commercialized for backflow prevention, droppers, and rectification. We also offer custom solutions to contribute to optimal control. 【Application Scenes】 - Laser cutting machines - Laser marking devices - Laser welding machines 【Benefits of Implementation】 - Stabilization of products - Optimization of power supply systems

Overcurrent protection and countermeasures against reverse electromotive force in motor control and power circuits are essential for safe operation and longevity. Proper selection of thyristor diode modules addresses these challenges and contributes to the stable operation of automotive systems. 【Usage Scenarios】 - Motor control - Power circuits - Inverter circuits 【Benefits of Implementation】 - Overcurrent protection - Countermeasures against reverse electromotive force - Compatibility with a wide range of current ratings