VDRH10S075TLE

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TVS - Varistors, MOVs

TVS (Transient Voltage Suppressors) are protection devices that protect electronic circuits from electrical overvoltage. They come in two basic varieties, varistors and MOVs (Metal Oxide Varistors). The VDRH10S075TLE model is a varistor device – more specifically it is a Transient Voltage Suppressor (TVS) Diode.

Application Field

The VDRH10S075TLE varistor is designed for protection of appliance and telephone equipment against overvoltage transients such as those from lightning, electrical induction, and static electricity. Protection devices like the VDRH10S075TLE are normally placed in series with the protected circuit. Suitable for AC and DC combined, PTV is the peak transmission voltage.

Working Principle

A varistor is a voltage dependent resistors, with non-linear characteristics that result in a large increase in current when an overvoltage occurs. This current is generated by the charge carriers stored in the varistor material. When an overvoltage occurs, the varistor material absorbs the energy, thus preventing it from passing though to the circuit under protection.

The key parameter of a Varistor is the application specific peak current for the particular use the varistor is being designed for. The VDRH10S075TLE model features a 7.5A peak current with a breakdown voltage of 90 volts. In addition, its clamping voltage ensures good application reliability.

The important features of the VDRH10S075TLE varistor are its small body size and fast turn on times. Its small size enables it to fit into most circuit boards, and its fast clamping time ensures it reacts quickly to transients. As well as size, voltage and current modulation, the VDRH10S075TLE varistor also has low dynamic on-resistance and low leakage current.

The VDRH10S075TLE varistor is designed to ensure the reliability of an appliance during an overvoltage transient. The activated protection device absorbs the overvoltage energy, thus ensuring the correct and safe operation of the appliance or equipment.

Conclusion

The VDRH10S075TLE varistor is a Transient Voltage Suppressor (TVS) device designed for application and telephone equipment protection against power surges caused by lightning strikes, electrical induction, static electricity and other overvoltages. It features a 7.5A peak current with a breakdown voltage of 90V and fast clamping time for quick response to high voltage events. The device also has low dynamic on-resistance and low leakage current, allowing it to provide reliable protection but with minimum distortion of the waveform.

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