Semiconductor stock in focus after developing India’s first 25 kV high-voltage Thyristor switch

SYNOPSIS: The company develops an indigenous high-voltage semiconductor switch, boosting India’s power electronics capabilities, reducing import dependence, and enabling applications in defence, medical, and advanced energy systems with strong testing and validation.

During Tuesday’s trading session, shares of a global pioneer in high-power semiconductor solutions, with a portfolio of high-performance semiconductor devices, assemblies, and energy management systems, surged over 9 percent on BSE after announcing the development of India’s first indigenously developed 25 kV high-voltage thyristor switch.

With a market cap of Rs. 1,207.5 crores, shares of RIR Power Electronics Limited are currently trading in the green at Rs. 151.75 on BSE, up by around 8 percent, compared to its previous closing price of Rs. 140.8. The stock has delivered negative returns of around 66 percent in one year, as well as over 14 percent in the last one month.

News

As per its latest disclosure to the stock exchanges, RIR Power Electronics Limited has announced the successful development of a high-performance 25 kilovolt (kV) – 120 kiloampere (kA) capacitor discharge vertically integrated semiconductor switch, marking a significant milestone in India’s high-power electronics capabilities.

This development represents a major step toward strengthening domestic manufacturing under the Make in India initiative, as it introduces India’s first indigenously developed 25 kV high-voltage thyristor switch designed for advanced pulse power applications. The innovation is expected to reduce import dependence while enhancing India’s competitiveness in the global power electronics space.

At the core of the system is a 125 mm silicon-controlled rectifier (SCR), capable of handling voltages up to 8 kV, developed domestically for the first time. By integrating multiple SCR units in a series configuration, the system achieves high-voltage performance while enabling precise control of high-current pulses.

The product has undergone rigorous validation at the company’s high-voltage testing facility in Halol, Gujarat, demonstrating strong reliability and performance under demanding operating conditions.

This semiconductor switch is specifically designed for high-energy pulse applications and can be deployed across critical sectors such as defence systems, advanced medical equipment, and precision-driven directed energy technologies.

Financials

RIR Power Electronics Limited is engaged in the business of manufacturing semiconductor devices like diodes, thyristors, power modules, bridge rectifiers and high power equipment like high current rectifiers, battery chargers, rectifier panels, high power stacks and assembly. 

Its products are used for Industrial applications in diverse sectors such as railways, induction furnaces, electricity and power generation, engineering, water treatment, metals, defence, automobiles, oil & gas plants, welding equipment, aviation, etc.

The company reported a marginal growth in revenue from operations, experiencing a year-on-year increase of around 2 percent, from Rs. 19.87 crores in Q3 FY25 to Rs. 20.3 crores in Q3 FY26. However, its net profit decreased during the same period from Rs. 1.4 crores to Rs. 0.44 crores, representing a decline of about 68 percent YoY.

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