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TVS - Diodes

TVS or Transient Voltage Suppression Diodes are a type of semiconductor device that protects digital and electronic circuits from abnormal voltage transients or surges in power induced by electrostatic discharges (ESD) or lightning strikes. They are a relatively new type of component and are used in a wide variety of applications. This article will discuss the application fields and working principles of the PTVS45VS1UTR,115.

Application Fields

TVS Diodes are used in various situations where power surges can damage electronic or digital components, including power supplies, laptop and desktop computers, automotive electronics, and communications equipment. For example, they are used to protect automotive computer systems such as engine control units (ECUs), computer-based instrument panels, and other electronic components. In addition, they can be used to protect digital displays, RF circuitry, and other key components in high-end audio/video systems.

Working Principle

When an abnormal surge occurs, the TVS Diode will conduct a surge current in the forward direction. This current will be discharged through the diode, and it will limit the flow of current from the surge voltage. This reduces the damaging effects of the surge, allowing the system to retain its normal operating conditions. The TVS Diode is designed to limit the current to a safe level, so that it does not cause permanent damage to the system.

In order to protect sensitive electronic components, the PTVS45VS1UTR,115 is designed with a low on-state leakage current. This low leakage current ensures that any leakage current that does occur is not enough to damage the components of the system. Additionally, this device is designed to have an avalanche energy of 3.5mJ, which helps eliminate the damaging effects of higher levels of ESD. The PTVS45VS1UTR,115 is also a part of the TVS family of products, which also includes devices that feature clamping voltages of up to 128V.

Conclusion

TVS Diodes are a type of semiconductor device that protects digital and electronic circuits from abnormal voltage transients or surges in power induced by electrostatic discharges (ESD) or lightning strikes. They have a wide range of applications, from power supplies to automotive computer systems, and they are designed to limit the current to a safe level and reduce the damaging effects of the surge. One example of a TVS Diode is the PTVS45VS1UTR,115, which is designed with a low on-state leakage current and an avalanche energy of 3.5mJ.

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