CR0900SB Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

CR0900SB application field and working principle

Thyristors are widely used in power electronics where they provide direct control of a power source. They can be used for AC power control, and they can also be used to rapidly switch high voltage or current levels. The CR0900SB is one of the most commonly used thyristors.CR0900SB is a special type of thyristor which is most suitable for applications where high switching speed, high voltage and high current rating are desired. Its special construction allows for low on-state voltage drop and high surge current capability. It is generally used in high power applications such as for motor control, power switching and AC power control.

The working principle of the CR0900SB is based on a p-n-p-n device structure. This structure allows controlled rectification to occur in a single device when a suitable voltage is applied across the device. The CR0900SB has a well-defined point of conduction at which the device begins to conduct current. When the device is in the off-state, it acts as an open circuit; when it is in the on-state, it acts as a closed circuit. The device is triggered into the conducting state with the application of a dc current pulse.

Once triggered, the CR0900SB has two primary modes of operation, intrusive and non-intrusive. In intrusive mode, the device is triggered into the on-state and stays in that state until the current flow is interrupted. In non-intrusive mode, the device is triggered into the on-state and is then switched off with a second dc pulse. This mode of operation allows for the controlled switching off of the device without the need for additional external circuitry.

The main application areas of the CR0900SB include high power AC switching, motor control, inverter control and power supply control. The device can be used in DC or AC motors and can switch voltages up to 1,000V. It can handle up to two parallel switching paths, allowing for more efficient operation. The high voltage and surge rating capability of the CR0900SB make it suitable for use in high power, switching applications. Moreover, its low-dropout characteristics, its low power consumption and its compact package size make it well suited for applications in which space and cost considerations are of paramount importance.

In summary, the CR0900SB is a thyristor which is widely used in power electronics applications due to its high switching speed, high voltage and high current ratings. Its p-n-p-n device structure allows for controlled rectification while its low-dropout characteristics and compact size make it suitable for space and cost constrained applications. It is well suited for high power switching applications such as motor control, inverter control and power supply control.

The specific data is subject to PDF, and the above content is for reference