VS-ST1200C20K0LP

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Thyristors - SCRs

The VS-ST1200C20K0LP is a product from Vishay\'s silicon controlled rectifier (SCRs or thyristor) product line. It comes with a blocking voltage of up to 1200 volts, a trigger voltage of 1-9V, a trigger current of up to 20mA, and a leakage current of 10µA (at 95ºC). It is used in a variety of applications, most notably in power circuit switching and power control.

VS-ST1200C20K0LP Application Fields

The VS-ST1200C20K0LP is often employed in applications such as:

• Power switching.
• Power control.
• Light dimming.
• Temperature regulation.
• Motor control.

The VS-ST1200C20K0LP is uniquely suited to these applications due to its combination of blocking voltage, trigger voltage, trigger current, and leakage current.

VS-ST1200C20K0LP Working Principle

Every thyristor, including the VS-ST1200C20K0LP, operates based on the four modes of operation. When no signal is applied, the thyristor stays in the off-state, also known as the blocking state. With the application of an appropriate signal, it switches to the forward conducting mode and a current starts to flow in the forward direction. This signal is typically either an AC or a DC signal. By reversing the polarity of the applied signal, the thyristor switches to the reverse blocking mode, at which point the current flow stops.

Once the forward blocking voltage has been exceeded, the thyristor switches to forward conduction mode and will be capable to pass only the “on” reference amount of current until a low voltage is applied. This low voltage can be referred to as the holding voltage and guarantees the thyristor stays in the on-state even if no base drive is applied. It will, however, turn off when the forward voltage is reversed.

Advantages of VS-ST1200C20K0LP

The VS-ST1200C20K0LP has numerous advantages over competing SCR products. Some of these include:

• Low set-up cost.
• Easy handling and installation.
• Minimized power loss.
• High switching speed.
• High resistance to external interference.

In addition to the hardware benefits, the VS-ST1200C20K0LP also offers software benefits as well. The software tools provided for setting up, controlling, and monitoring the thyristor are both powerful and intuitive.

Conclusion

The VS-ST1200C20K0LP is a powerful and reliable thyristor manufactured by Vishay. It offers a unique combination of features that make it the ideal choice for power switching, power control, light dimming, temperature regulation and motor control applications. With its low set-up cost, easy handling, minimized power loss, and high switching speed, it provides a distinct advantage over competing products. Its intuitive software tools make setting up, controlling, and monitoring the thyristor extremely straightforward. By leveraging the features and benefits of the VS-ST1200C20K0LP, engineers are able to craft a powerful and reliable solution to meet their application needs.

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