ABB D1961SH45TS02 Insulated Gate Bipolar Transistor

I. Product Overview

ABB D1961SH45TS02 is a high-voltage diode that occupies an important position in the IGBT/IGCT freewheeling diode series. It plays an indispensable key role in the operation of power electronic equipment. This diode is specially designed to cope with complex and harsh power control scenarios, aiming to provide reliable protection for various power switching components, ensure efficient and stable operation of equipment, and is widely used in multiple industrial fields with extremely high requirements for electrical performance. It is one of the core components promoting modern industrial automation and efficient energy conversion.

II. Technical Parameters

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• Electrical Parameters: Its rated reverse voltage (VRRM) is as high as 4500V, which enables D1961SH45TS02 to work stably in high-voltage environments, effectively resist reverse voltage shocks, and ensure the safety and stability of the equipment circuit. The maximum repetitive peak reverse current (IFSM) can reach 23000A, with strong current-carrying capacity, which can meet the working conditions of instantaneous large current shocks and ensure that the equipment can still operate normally under complex power fluctuations. In terms of forward voltage drop (VF), it shows the characteristic of 4.2V/2.5kA at the maximum junction temperature. The precise control of voltage drop helps to improve power conversion efficiency and reduce energy loss.
• Physical Parameters: It adopts a Disc packaging form, which has good electrical insulation performance and mechanical stability. The product has a diameter of 100mm and a height of 26mm. While ensuring performance, the compact size design is conducive to efficient layout in limited equipment space, improves space utilization, and meets the diverse needs of different equipment for component sizes.
• Other Key Parameters: In terms of clamping force, the optimized design can effectively fix the position of the diode, ensuring that even in the face of mechanical vibration or impact during equipment operation, stable electrical connection can be maintained. Its junction temperature parameters are excellent, and it can adapt to a wide temperature range, ensuring that the performance of the diode is not significantly affected in high or low temperature environments. The thermal resistance parameter is also carefully considered. The good thermal resistance characteristic enables the heat generated by the diode during operation to be dissipated quickly, avoiding performance degradation or component damage caused by overheating, and further improving the reliability and service life of the product.

III. Functional Characteristics

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• Excellent Protection Function: As a freewheeling diode, D1961SH45TS02 can provide all-round protection for power switching components in power electronic equipment. When the power switching component is turned off, a reverse electromotive force will be generated in the circuit. The diode can be turned on quickly to provide a path for the reverse current, effectively suppressing voltage spikes, preventing damage to the power switching component, greatly prolonging the service life of the power switching component, improving the reliability of the entire equipment, and reducing the risk of equipment failure and maintenance costs.
• Efficient Power Conversion Support: With precise forward voltage drop control and strong current-carrying capacity, D1961SH45TS02 can ensure stable current transmission and efficient conversion during power conversion. In various inverters, frequency converters and other equipment, it helps to improve power quality, reduce harmonic interference, optimize power factor, make equipment run more smoothly and efficiently, provide stable and reliable power support for industrial production, and promote the efficient use of energy.
• High Stability and Reliability: Thanks to the carefully designed electrical and physical parameters, as well as high-quality materials and manufacturing processes, D1961SH45TS02 shows extremely high stability and reliability in complex industrial environments. Whether facing electrical stress such as high voltage and large current, or harsh working conditions such as mechanical vibration and temperature fluctuation, it can work continuously and stably, ensure the continuity of equipment operation, and provide a solid guarantee for the stable operation of industrial production.

IV. Application Scenarios

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• Power Electronics Field: In frequency converters, D1961SH45TS02 undertakes key freewheeling and protection tasks, ensuring the safe operation of power switching components during the frequency conversion and speed regulation of motors, realizing smooth start, speed regulation and stop of motors. It is widely used in industrial motor drive systems to improve motor operation efficiency and control accuracy. In inverters, this diode helps to realize efficient conversion of direct current to alternating current, ensures the stability and reliability of power output, and is an important part of photovoltaic inverters, uninterruptible power supplies (UPS) and other equipment, providing support for new energy power generation and power emergency guarantee.
• Industrial Automation Field: In various industrial control systems, D1961SH45TS02 is used to protect the power switches in the control circuit, ensuring that the control system can operate stably in complex industrial environments. Whether it is the motor control of automated production lines or the power drive of industrial robots, it is inseparable from its reliable protection and efficient power conversion functions, which escort the precise control and efficient operation of industrial automated production.
• New Energy Field: In photovoltaic inverters, D1961SH45TS02 helps convert the direct current generated by photovoltaic panels into alternating current and connect it to the grid. Through efficient freewheeling and protection functions, it improves the overall efficiency and stability of the photovoltaic power generation system, reduces power generation costs, and promotes the wide application of solar energy. In wind power generation systems, it is used to protect the power converter of wind turbines, ensuring stable and reliable energy conversion between the motor and the grid under different wind speed conditions, guaranteeing the efficient operation of wind power generation, and helping the vigorous development of the new energy industry.