TVB140NSA-L Circuit Protection

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Thyristors are a class of semiconductor devices with three or more terminals for controlling the flow of current and voltage. The Thyristor family includes the Triac, SCR and DIAC. TVB140NSA-L is part of this family and is specially designed to provide overvoltage transient suppression.

The TVB140NSA-L is a bidirectional TVB140NSA-L surge protection module, composed of an N-Channel MOSFET, a free-wheeling diode, a fast-acting MOV and a PTC Resettable Fuse. The diode works as a rectifier protecting the equipment in both positive and negative directions. It has low capacitance and low clamping voltage. The MOV works as an overvoltage protector, providing voltage protection for both AC and DC signals.

The working principle of the TVB140NSA-L relies on the rapid conduction of the MOSFET at high operating frequencies. When the surges go beyond the protection level, the MOSFET turns on instantaneously, clamping the surge voltage to a safe level and diverting the surge current away from the equipment. The free-wheeling diode works to protect the MOSFET device against reverse current by allowing the current to flow around it. The PTC Resettable Fuse provides additional protection to the circuit, resetting when the voltage has stabilized.The TVB140NSA-L is widely used for surge protection in a variety of environments such as industrial and military, automotive, and telecommunications applications. Its low capacitance, fast-acting MOV and PTC Resettable Fuse provide efficient overvoltage protection, making it ideal for protecting delicate, sensitive components and equipment from damage due to electrical surges.

The TVB140NSA-L has been designed and tested to meet the requirements of industry standards for surge protection. Its flexible design allows for easy integration into existing systems, making it a popular choice for many industries. In addition, the TVB140NSA-L is RoHS and CE compliant, making it an environmentally friendly choice for protecting sensitive electronic components and equipment.

Overall, the TVB140NSA-L offers efficient and reliable overvoltage protection for noise immunity in a variety of applications. Its low capacitance, fast-acting MOV and PTC Resettable Fuse make it an ideal solution for surge protection in industrial, military, automotive and telecommunications applications.

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