S602ES

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Thyristors are unipolar semiconductors, which are conducted by forward bias direction and blocked by reverse bias direction. They possess the capability to remain in a static and high conductance state once biased. As the most important and common type of thyristor, the silicon-controlled rectifier (SCR) has been widely used in various control systems, ranging from simple speed control to complex computer applications. In particular, S602ES is a three phase phase-controllable SCR, and it is typically used in controlled rectification and phase control applications, like motor speed control or temperature control.

S602ES has multiple advantages, such as low trigger current and low trigger voltage, which makes it easy for current and cost saving. In addition, S602ES has high surge current capabilities and low reverse current leakage with reliable operation, which can offer strong guarantees for working stably and safely. All these features make S602ES a popular choice of thyristor, and it is mainly applied in motor control, power controllers, dimming systems, light dimmers, temperature control, home appliance, industrial control and other general heating control systems.

When it comes to S602ES\'s working principle, it mainly relies on the switch of thyristor, and can be divided into three stages: turn-on, conduction and turn-off, then turn back to turn-on. As for the turn-on, when the forward voltage of the load exceeds the device\'s triggering voltage, the voltage across thyristor\'s terminals will rise, then it will be conducted, and the turn-on process will be finished. During the conduction period, the thyristor will remain in the static and high-conductance state until the load current drops below a certain level for the turn-off process. Since the turn-off process needs an external signal instead of the control of turn-on, it usually comes from the external gate signal. During the process, the external gate signal will reduce the current flowing through the thyristor and turn it off, and then the process starts over again.

In conclusion, S602ES is a reliable three-phase AC-controlled SCR, which has been widely adopted in various industries and applications. Effective and efficient, S602ES distinguished itself by low trigger current, low trigger voltage, high surge current and low reverse current leakage with reliavble operation. It is mainly applied in motor control, temperature control, power controllers, dimming systems, and it realizes control through the switch of thyristor three stages: turn-on, conduction and turn-off.

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