K2000E70AP

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Thyristors are semiconductor devices that act like switches, allowing current to flow through them only when it is triggered with a different voltage. DIACs, SIDACs, and K2000E70APs are all variants of thyristors and they are all used in various applications, such as controlling the intensity of lights, regulating electrical power, and cutting off power in the case of an overload. It is important to understand their different parameters and working principle in order to choose the suitable one.

DIACs

A DIAC (diode AC switch) is a bidirectional device that allows current to flow in both directions when a low-voltage signal is applied. It consists of two P-N junctions and it behaves similar to a pair of switch-controlled diodes. The DIAC is not triggered until a certain minimum voltage called the breakover voltage is reached. Once the breakover voltage is crossed, the device turns on and conducts current in both directions. This makes it suitable for applications such as controlling the dimming of lights and motors.

SIDACs

A SIDAC (silicon-controlled rectifier rectifier) is a four-layer PNPN device, with one P-type and three N-type layers. The P-type layer is the anode, while the N-type layer is the cathode. When the anode and cathode reach a certain breakover voltage, a current path is formed and the device turns on. Unlike a DIAC, the SIDAC only allows current to flow in one direction. It\'s typically used in switching applications where the device must be turned off quickly, such as in the emergency shut off of power supplies.

K2000E70APs

K2000E70APs are unidirectional thyristors commonly used for power switching, regulating power, and load control. Their main feature is that they can handle high current levels and provide excellent surge capabilities. They are also temperature stable, resistant to wear and tear, and can be easily integrated into a control system. The device is triggered when a certain break over voltage is exceeded and once triggered, the device remains in the on-state until the current is turned off. This makes it ideal for applications such as AC power control and motor speed control.

Conclusion

This article has discussed the different thyristor variants, DIACs, SIDACs, and K2000E70APs, and their associated application fields and working principles. All of these devices have their own unique set of characteristics, and their suitability for a given application should be determined by taking into account their breakover voltage, current handling capacity, temperature stability, and integration capability.

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