P2000SB Circuit Protection

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Thyristors are a form of semiconductor that has been used for decades for power control. The P2000SB series Thyristors from Vishay, released in late 2020, are designed for use in a wide variety of applications, from solid-state motor controls to high-power switching. In this article, we will explain the application field and working principles of P2000SB series Thyristors.The P2000SB series Thyristors are designed for high-reliability applications such as motor control, motor starter, lighting, process control, and telecom. They are capable of providing up to 20A of average current in continuous operation with a voltage drop of only 0.3V. This makes them ideal for high-efficiency control systems that require high current and low voltage drop.These Thyristors feature fast switching, with a turn-on time of typically less than 12 ns and a turn-off time of approximately 4 ns. They also have a low operating temperature range (from -55C to +150C) and a low forward voltage rating (1.3V at 20A). This makes them suitable for use in high-temperature applications where temperature stability is important. In addition, the Thyristors also have a high current carrying capacity (up to 20A), making them suitable for high-power applications.When it comes to the working principle of P2000SB series Thyristors, it is based on the principle of a four-layer diode. By the application of a suitable positive voltage across the gate and the cathode of the Thyristor, a low-level current is used to initiate the conduction of the Thyristor. Once the conduction reaches a point where the current exceeds the latching current, the Thyristor is said to have latched-on and will continue to remain in a latched-on state until the gate-to-cathode voltage falls below the holding voltage.The P2000SB series Thyristors are designed for reliable operation at high power levels and are capable of handling high current and voltage ratings. The Thyristors are constructed using high-quality materials and have temperature grades rated from -55C to +150C. Their fast switching with very low turn-on/turn-off times makes them suitable for use in a wide variety of high-power applications.

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