ESD7484NCTAG Circuit Protection

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Introduction

TVS diodes, also known as Electrostatic Discharge (ESD) diodes, are surge-protection components, designed to protect vulnerable circuits from damage due to electrical overstress. The ESD7484NCTAG is a 3-terminal common-cathode bidirectional Transient Voltage Suppressor (TVS) device manufactured by NVE Corporation. It is designed for use in high-speed consumer electronics and communications applications and offers a wide range of protections from ESD, EFT, and lightning surge voltages.

Application Field

The ESD7484NCTAG is widely used for protecting sensitive input and output circuits from transient surge events, including ESD, EMI, electrostatic discharge, or even lightning. It typically finds use in hot spots in AC-DC, DC-DC, RF, and power systems isolation. The rectangular package of the component has a high level of planarity and can be easily inserted into electronic device surface mount boards. In addition to the ESD7484NCTAG, the NVE Corporation also manufactures and offers other transient voltage suppressor components, including the ESD7486NCTAG and ESD7487NCTAG.

Working Principle

The ESD7484NCTAG functions through a combination of capacitive storage and avalanche breakdown. When a voltage surge arises, the capacitive element stores energy and is discharged into the clamp, which in turn absorbs voltage. The avalanche breakdown then switches the stored energy from the voltage source onto the ground line of the device, protecting the circuitry from any voltage surges. The ESD7484NCTAG protects bidirectionally and has an ESD rating of 25kV and a clamping voltage of 16V. Thus it is able to protect circuits against electrostatic discharges of 25 kV, while the clamping voltage of 16V prevents damage to the circuits even under extreme voltage surge conditions.

Conclusion

The ESD7484NCTAG from NVE Corporation is an excellent option for high-speed consumer electronics and communications applications, providing protection against ESD, EMI, electrostatic discharge, and lightning surge voltages. Its wide range of protections and bidirectional protection make it an ideal choice for surge protection in AC-DC, DC-DC, RF, and power systems isolation. The device works through a capacitive storage and avalanche breakdown combination and has an ESD rating of 25kV and a clamping voltage of 16V, offering superior protection against voltage surges.

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