SMP50-68 Circuit Protection

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SMP50-68 Application Field and Working Principle

TVS – Thyristors are semiconductor devices that employ switching action as their main operating principle. Thyristors are further divided into different types based on their design and operating principles such as PNPN, SIDAC, MOSFETs, and BJTs. TVS - Thyristors are frequently employed in a range of commercial, industrial, and consumer applications such as power regulation, power conversion, motor control, and switching amongst others. In this article, we discuss the applications of SMP50-68 and its working principle.

SMP50-68 Applications

SMP50-68 is a low power TVS – Thyristor specifically designed to regulate current and protect sensitive circuits from surge currents, transients, over Pressures, and short-circuit conditions. It offers superior performance and reliable protection. The device comes with a reverse breakdown voltage of 130V, making it suitable for low-power applications that handle up to 5A of current. It can be used in a wide variety of consumer, industrial, and commercial applications such as power conversion, motor control, power regulation, and switching.

SMP50-68 can be used to protect electronic circuits from transient over Pressures, as well as other flaws such as surge currents and short circuits. It can also be used to regulate currents in precision or very low power circuits. In addition, the device is designed to be used in many other applications where low power consumption and reliable protection are essential. Some of the industries in which SMP50-68 can be utilized includes automotive, aerospace, medical, communications, data processing, and telecommunications.

SMP50-68 Working Principle

The SMP50-68 is a low power TVS – Thyristor designed with a unique matrix of alternating N and P-type layers. This device employs current switching technology, in which a current is used to switch states. When the device\'s input voltage rises above the reverse breakover voltage, it triggers the positive trigger at the cathode, and current injection begins. This results in the triggering of the opposite polarity trigger at the anode, resulting in a transition to the high conductance region.

Once the reverse breakover voltage is exceeded, the Thyristor becomes conducting and provides a low impedance path for the applied electrical current. Once the current is switched off the device will remain in a conducting state until the current drops below a certain level. At this stage the device will return to its low-current state.

The SMP50-68 device also allows a controlled triggering of the device as opposed to traditional thyristors which would trigger regardless of any applied voltage. By using the device\'s internal programming logic, a user can select the various states in which the device will operate. This makes SMP50-68 suitable for applications where precise control of the current is required. The device also offers a high surge capability making it suitable for use in harsher conditions.

Conclusion

The SMP50-68 is a low power TVS – Thyristor that can be employed in a range of consumer, industrial, and commercial applications. In addition, the device features excellent surge protection and offers precise current control. The device\'s unique matrix of alternating P and N-type layers enable it to switch states under applied current and remain in a conducting state until the current drops below a certain level. This makes SMP50-68 suitable for use in applications that require reliable protection and precise current regulation.

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