Inrush Current Limiters

Global Inrush Current Limiters Market to Reach US$2.5 Billion by 2030

The global market for Inrush Current Limiters estimated at US$1.6 Billion in the year 2024, is expected to reach US$2.5 Billion by 2030, growing at a CAGR of 7.9% over the analysis period 2024-2030. Negative Temperature Coefficient Thermistors, one of the segments analyzed in the report, is expected to record a 9.9% CAGR and reach US$1.3 Billion by the end of the analysis period. Growth in the Positive Temperature Coefficient Thermistors segment is estimated at 5.5% CAGR over the analysis period.

The U.S. Market is Estimated at US$432.6 Million While China is Forecast to Grow at 12.7% CAGR

The Inrush Current Limiters market in the U.S. is estimated at US$432.6 Million in the year 2024. China, the world`s second largest economy, is forecast to reach a projected market size of US$545.4 Million by the year 2030 trailing a CAGR of 12.7% over the analysis period 2024-2030. Among the other noteworthy geographic markets are Japan and Canada, each forecast to grow at a CAGR of 3.8% and 7.7% respectively over the analysis period. Within Europe, Germany is forecast to grow at approximately 5.3% CAGR.

Global Inrush Current Limiters Market - Key Trends & Drivers Summarized

Why Are Inrush Current Limiters Critical in Electrical and Power Systems?

Inrush current limiters (ICLs) are essential components used to protect electrical circuits from the sudden surge of current that occurs when devices are first powered on. These limiters reduce the initial current spike that can damage components, trip circuit breakers, or shorten equipment lifespan. In applications ranging from power supplies and transformers to electric motors and LED drivers, ICLs ensure smoother startup and operational stability.

Thermistors, NTC (negative temperature coefficient) resistors, and PTC (positive temperature coefficient) devices are commonly used types of inrush current limiters. They offer cost-effective and reliable protection for consumer electronics, industrial machinery, automotive power systems, and renewable energy equipment. As power systems become more compact and energy-dense, protection against inrush currents becomes increasingly important to maintain performance and avoid premature failure.

How Are Product Designs and Technology Approaches Evolving?

Design improvements in ICLs are focused on response time, heat dissipation, and compatibility with high-voltage and high-frequency systems. Modern thermistors are engineered with low resistance at steady-state operation and high resistance during power-up to efficiently limit inrush currents without affecting long-term performance. Compact form factors and surface-mount configurations are gaining traction for integration in space-constrained consumer electronics and high-efficiency power supplies.

In high-power industrial or renewable energy settings, advanced ICLs are being developed with hybrid control systems or active inrush limiting using relay or semiconductor-based switching. These technologies enable more precise control, especially in transformers, HVAC systems, or solar inverters with significant startup loads. Some newer designs incorporate self-resetting capabilities and are designed to withstand repeated power cycles, enhancing durability and system resilience.

Where Is Demand Growing, and Which Applications Are Driving It?

Demand for inrush current limiters is expanding across a range of sectors including industrial automation, automotive electronics, renewable energy systems, and consumer appliances. The shift toward energy-efficient devices and smart power distribution has increased deployment of ICLs in LED lighting systems, battery chargers, and compact power converters. Electric vehicle (EV) onboard chargers and battery management systems also rely on ICLs for safe power delivery during startup.

In industrial applications, ICLs are used in motor drives, control panels, and power tools where initial energization involves high current surges. Data centers and telecom power supplies use them to protect sensitive components and minimize thermal stress during startup. Geographic demand is rising in Asia Pacific due to electronics manufacturing growth, while North America and Europe continue to lead in industrial and energy sector applications.

What Is Driving Growth in the Inrush Current Limiters Market?

Growth in the inrush current limiters market is driven by several factors including increasing adoption of electronic equipment with high startup loads, growing demand for circuit protection solutions, and wider use of compact, power-dense systems in both consumer and industrial environments. Advancements in thermistor and semiconductor limiter technologies are enabling more reliable and application-specific solutions for different voltage and load profiles.

End-use expansion across automotive power electronics, renewable energy inverters, industrial control systems, and data center power architectures is driving continuous demand for protective components. Rising electrification trends in mobility and energy infrastructure are supporting ICL integration in battery systems, transformers, and distributed energy applications. As power systems evolve toward higher efficiency and digital control, the role of inrush current limiters remains critical in ensuring safe, long-term operation across diverse electrical environments.

SCOPE OF STUDY:

The report analyzes the Inrush Current Limiters market in terms of units by the following Segments, and Geographic Regions/Countries:

Segments:
Type (Negative Temperature Coefficient Thermistors, Positive Temperature Coefficient Thermistors, Fixed Resistors, Other Types); End-User (Commercial End-User, Industrial End-User, Household End-User)

Geographic Regions/Countries:
World; United States; Canada; Japan; China; Europe (France; Germany; Italy; United Kingdom; Spain; Russia; and Rest of Europe); Asia-Pacific (Australia; India; South Korea; and Rest of Asia-Pacific); Latin America (Argentina; Brazil; Mexico; and Rest of Latin America); Middle East (Iran; Israel; Saudi Arabia; United Arab Emirates; and Rest of Middle East); and Africa.

Select Competitors (Total 37 Featured) -

• Amphenol Advanced Sensors (MTS Systems)
• Ametherm, Inc.
• Analog Devices, Inc.
• AVX Corporation
• Cantherm Thermal Sensors Ltd.
• Eaton Corporation plc
• Infineon Technologies AG
• Littelfuse, Inc.
• Mean Well Enterprises Co., Ltd.
• Mouser Electronics, Inc.
• Murata Manufacturing Co., Ltd.
• ON Semiconductor Corporation
• Panasonic Corporation
• Renesas Electronics Corporation
• Rohm Semiconductor
• Schneider Electric SE
• STMicroelectronics N.V.
• TE Connectivity Ltd.
• TDK Corporation
• Vishay Intertechnology, Inc.

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