MARKET INSIGHTS

The global LED Shunt Protection Device Market size was valued at US$ 394.8 million in 2024 and is projected to reach US$ 672.5 million by 2032, at a CAGR of 8.03% during the forecast period 2025-2032.

LED Shunt Surge Protection Devices (SPDs) are critical components designed to protect LED lighting systems from voltage spikes and transient surges. These devices work by diverting excess electrical energy away from sensitive LED circuits, preventing damage from lightning strikes, power grid fluctuations, and electrostatic discharge. The product range includes multiple voltage variants such as 6V, 9V, 13V, and 18V models catering to different LED applications.

The market growth is primarily driven by the rapid adoption of LED lighting across commercial and industrial sectors, coupled with increasing regulatory requirements for electrical safety. While street lighting applications dominate demand, emerging technologies like smart city infrastructure and industrial IoT are creating new opportunities. Recent industry developments include Eaton’s 2023 launch of their next-gen SPD series with enhanced clamping voltage performance, reflecting the ongoing technological advancements in this space.

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Key Industry Players

Market Leaders Expand Product Offerings to Meet Growing Demand for Surge Protection

The global LED Shunt Surge Protection Device market features a competitive yet concentrated landscape, dominated by established electronics component manufacturers with robust technological capabilities. Littelfuse and STMicroelectronics currently lead the market, collectively holding over 30% of the global revenue share in 2024. Their dominance stems from extensive product portfolios covering multiple voltage ranges (6V to 18V) and proven reliability in industrial applications.

Infineon Technologies and Analog Devices have been gaining significant traction, particularly in the Asia-Pacific region, through strategic partnerships with LED lighting manufacturers. Both companies have invested heavily in R&D to develop compact, energy-efficient protection solutions tailored for high-density LED arrays.

The market also sees active participation from mid-sized players like Bourns and Onsemi, who differentiate through specialized offerings for niche applications such as automotive lighting and LCD backlighting. These companies are expanding their production capacities to meet the growing demand from emerging economies.

Recent developments show increasing M&A activity, with Eaton acquiring two smaller surge protection specialists in 2023 to strengthen its position in the industrial lighting segment. Such consolidation trends are expected to continue as companies seek to offer comprehensive protection solutions across the entire LED value chain.

List of Key LED Shunt Surge Protection Device Manufacturers

• Littelfuse, Inc. (U.S.)
• STMicroelectronics (Switzerland)
• Infineon Technologies AG (Germany)
• Analog Devices, Inc. (U.S.)
• Bourns, Inc. (U.S.)
• ON Semiconductor (U.S.)
• Eaton Corporation (Ireland)

Segment Analysis:

By Type

6 Volts Segment Leads Market Demand Due to Widespread Use in Low-Voltage LED Applications

The market is segmented based on type into:

• 6 Volts
  • Subtypes: Standard, High-Performance, and Miniature
• 9 Volts
• 13 Volts
• 18 Volts
• Others

By Application

LED Streetlights Segment Dominates with Growing Smart City Infrastructure Investments

The market is segmented based on application into:

• LED Streetlights
• LCD Backlighting Televisions
• Industrial Lighting Lamps
• Others

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