ROV10H181K-2

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The ROV10H181K-2 is widely used in TVS, Varistors, and MOVs applications, providing powerful and reliable protection. It is especially suitable for high-speed communication interface lightning and over-voltage protection and power supply surge absorption.

Working Principle

ROV10H181K-2 uses a special design that introduces a plurality of noble metal elements into two zinc oxide (ZnO) varistors. These noble metal elements help to reduce the ZnO grain growth, increase the number of grains for a certain volume, and improve the nonlinear current-voltage characteristics. Its two parameters: Breakdown Voltage (VBR) and Maximum Clamping Voltage (Max VC) are higher than traditional TVS - Varistors, MOVs.

The TVS-MOVs generally use a ZnO varistor with a structure that contains zinc and an oxidizer element conducting electrons. In the presence of voltage, an inversion layer forms around the grains of the ZnO varistor material, which shifts the current-voltage characteristic. The greatest advantage of the ROV10H181K-2 is its enhanced ability to protect against surges due to the combination of these two components. Its ability to effectively reduce the clamping voltage while reducing overshoot and under-voltage voltage at high currents is significantly better than many typical TVS diodes and MOVs.

The TVS-MOVs of the ROV10H181K-2 are able to withstand high surge currents, even in the presence of excessive voltage. They offer better protection against transient surges in both directions by maintaining a low dynamic impedance of both positive and negative polarities. This feature allows for great flexibility in design and can help reduce the number of components needed.

Application Field

The ROV10H181K-2 is primarily used in TVS - Varistors, MOVs applications, although it can be adapted to other electronic applications such as overvoltage protection, signal interfacing, power supply surge absorption, and lighting suppression. It provides wide range protection in high speed communication systems, such as: WiFi, Bluetooth, GPS, telecommunication, and consumer electronics, and Industrial control systems.

The ROV10H181K-2 is particularly suitable for:

• High-speed communication interface lightning and overvoltage protection: This can be used as a power/grounding terminal protection device for high-speed transmission interface protection.
• Lightning suppression protection: The ROV10H181K-2 is very effective for suppressing transient surges caused by lightning.
• Power supply surge absorption: The ROV10H181K-2 helps protect power supplies from unwanted overvoltage surges.
• Industrial control systems: The ROV10H181K-2 is especially suitable for industrial control systems, such as motor, PLC, and switch.

Conclusion

The ROV10H181K-2 is ideal for applications requiring high surge protection, such as TVS-MOVs. Its optimized design offers superior performance, providing reliable protection and wide operating range. It is widely used in high-speed communication applications, lightning suppression, power supply, and industrial control systems.

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