K2500GH

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Thyristors are active electronic components capable of conducting current in one direction and blocking its flow in the reverse direction. Among the different types of thyristors, K2500GH stands out as especially suitable in applications where multiple power loads need to be handled, switching up to 2500 amps, typically employed in the fields of electronics, telecommunications, and automation. This article will discuss the applications and working principle of K2500GH.

K2500GH Application Field

K2500GH are commercial-grade thyristors, designed specifically with high current switching applications in mind. In addition to having the capability to switch up to 2500 amps, K2500GH feature integral snubber circuitry, making them more durable and reliable. They are also equipped with internal over-voltage protection, making them well-suited for use in applications requiring high surge protection. The combination of these features makes K2500GH an ideal choice for applications such as industrial automation, power switching, and medical monitoring.

K2500GH is also used in renewable energy applications, such as solar power systems, wind power generation, and electric vehicles. In these applications, K2500GH is used for its ability to provide precise switching for high-power loads. In addition, K2500GH is highly efficient and does not generate significant heat, reducing the overall system cost.

K2500GH is also employed in telecommunications applications, specifically for long-distance transmission systems, where it is used for its high switching speed and stable operation. Additionally, due to its low leakage current and inherent noise immunity, K2500GH is used in applications such as train control, communication systems, and network broadband services.

K2500GH Working Principle

K2500GH utilizes diodes, DIACs (diode-controlled rectifiers), SIDACs (silicon-controlled rectifiers), and other components to produce a high degree of electrical control. The structure of a K2500GH is such that two DIACs, two SIDACs, and two diodes are connected in series to form the main power switching unit. This configuration makes it possible for current to travel in one direction only, allowing the thyristor to be used as a bidirectional power switch.

The operation of K2500GH is based on the concept of a DIAC-controlled rectifier, where a DIAC is used to control the passage of current through the thyristor. A DIAC is essentially a two-terminal device that initiates current flow when the voltage between its terminals exceeds a certain threshold. When this threshold is reached, current flows through the SIDACs and diodes, causing them to turn on and permit current to flow through the thyristor.

The voltage threshold required for the DIAC to turn on is dependent on a number of factors, including temperature, current and reverse-recovery time. As the voltage increases above the threshold, the current through the thyristor increases, enabling it to regulate the current through the load connected to it. This allows K2500GH to be used as a bidirectional switch and provide precise control over the power supply.

Conclusion

K2500GH is a commercial-grade thyristor designed for high current switching applications. Its high current and surge protection capabilities, as well as its ability to provide precise switching and control, make it ideally suited for use in industrial automation, power switching, medical monitoring, and other applications. K2500GH utilizes DIACs, SIDACs, and diodes to produce a high degree of electrical control and is based on the concept of a DIAC-controlled rectifier.

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