Global Varistor Industry Trends: H1 2025 Review & Outlook

5G, EVs, and Renewable Energy Expand Varistor Applications

With the rapid development of new power systems and digital communication infrastructure, varistors (MOVs) are being widely used in the following scenarios:

5G macro base stations and indoor distribution systems (DAS)

Electric vehicle charging piles and vehicle electronic systems

Photovoltaic inverters and energy storage battery packs

Smart home power protection modules

According to Yole Group, the global MOV market is projected to exceed $1.4 billion USD in 2025, with 7.5% YoY growth driven by robust demand from energy and communication infrastructure.

Chinese Manufacturers Push High-Energy and Customized Designs

In the first half of 2025, many domestic varistor manufacturers accelerated the launch of the following product lines:

High-energy metal oxide varistors (MOV ≥ 1000J)

Industrial-grade modules supporting 1500V DC systems

Micro-packaged chip MOV (0603/0805/1210)

Leading domestic players now offer modular MOV+TVS protection kits tailored for rail transit, energy storage, and robotics, marking a shift toward vertical integration.

Global Safety Standards Raise the Bar for Reliability

With the update of IEC 61051, UL 1449 4th Edition and other standards, varistor products must meet higher reliability and stability requirements:

High temperature and moisture resistance

High frequency lightning surge absorption

Long life multi-pulse test pass rate

More manufacturers are incorporating automated surge lifecycle testing and environmental stress screening (ESS) to meet new quality benchmarks.

AI Edge Devices Unlock New Opportunities

With the support of edge AI chips and micro power management chips, micro varistors are accelerating their penetration in the following applications:

Industrial Internet of Things (IIoT) sensors

Portable edge AI terminals

Wearable devices and medical electronics

Conclusion

The varistor industry is entering a new era, shaped by rising reliability standards and emerging smart applications.

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