C358M

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Thyristors - SCRs

Thyristors - SCRs (Semiconductor Controlled Rectifiers) are used for controlling current in a wide variety of applications, such as lighting and motor control, speed control, and more. The C358M is a two-quadrant thyristor module used to provide high-performance switching in DC applications.

Application Field

The C358M module is suitable for applications including DC motor and solenoid control, speed and torque control of DC motors and stepper motors, uninterruptible power supplies, relay and contactor replacement, and more. It can be used in applications in both domestic and industrial settings.

Working Principle

Thyristors are a type of semiconductor switch, producing normally open and normally closed outputs based on the polarity of the applied voltage. The main principle on which thyristors work is the ‘bridge effect’. In this effect, the structure of the semiconductor material is compared to a bridge, allowing electricity to flow in one direction only. The C358M module uses two four-quadrant thyristors in order to provide high-current handling capability. The four-quadrant thyristor can switch in both directions under applied opposite polarities.

The C358M module also makes use of a control gate, which is triggered by an external signal, in order to control the cycling of the thyristor array. The gate can monitor the peak currents, which help to control the inrush and reduce power dissipation. This reduces the risk of breakdown and increases the operating temperature range. The four quadrants of the thyristor will provide the required switching for both directions, even for low current requirements.

The C358M module offers a number of advantages over other switching devices, including the ability to handle large inrush currents, the capability to operate at high temperatures, and the ability to provide a clean, low-noise switching solution. The C358M also offers a high degree of immunity to failure, and has good resilience to adverse environmental conditions.

Conclusion

The C358M module is a powerful two-quadrant thyristor module, suitable for a range of DC applications and capable of providing excellent switching performance even under extreme environmental and operating conditions. Its use of a control gate and four-quadrant thyristors offers a host of advantages, including high-current handling capacity, low noise, and improved immunity to malfunction or breakdown. With its wide range of characteristics and advantages, the C358M is a versatile and highly effective switching solution for DC applications.

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