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Rohm (6963) gains traction as investors back its silicon carbide strategy

Rohm Co., Ltd. shares have risen significantly, with recent developments in the company's silicon carbide (SiC) power semiconductor strategy seen as a catalyst. The company's stock is trading at ¥5,242, an 8.9% increase from its previous close of ¥4,815.

According to Simply Wall St, which reported on 15 June 2026, Rohm announced a new surface-mount package, "TSC3PAK," for SiC MOSFETs, intended for electric vehicle (xEV) on-board chargers and industrial power systems. Additionally, the company's 750V SiC MOSFETs are being adopted in battery backup units for AI server power supplies. These technological innovations are said to contribute to improved thermal management, efficiency, and reliability in electric vehicles and AI data centres.

This share price increase partially reverses an 8.6% decline on 12 June 2026, which followed concerns over slowing semiconductor demand and a reported net loss. Rohm aims to address market apprehensions by capitalising on the growth within the SiC power semiconductor market.

What Does It Mean

Rohm's SiC Power Semiconductor Breakthroughs Power Up Shares

Rohm Co., Ltd. is a major Japanese company that designs, manufactures, and sells semiconductors, particularly power semiconductors, passive components, and module products. Its products are utilised across a wide range of fields, including automotive, industrial equipment, and consumer electronics. The company provides semiconductor solutions that are essential for improving power conversion efficiency and system reliability, especially for growth markets such as electric vehicles (EVs) and AI data centres.

Today, the specific factor that pushed up Rohm's share price was the company's announcement of significant advancements in its Silicon Carbide (SiC) power semiconductor technology. In particular, the market reacted positively to the development of "TSC3PAK", a new surface-mount package for SiC MOSFETs used in EV on-board chargers and industrial power systems, and the adoption of its 750V SiC MOSFETs in battery backup units for AI server power supplies. These technological innovations are expected to improve thermal management, enhance power efficiency, and achieve high reliability in high-performance fields such as electric vehicles and AI data centres, thereby strengthening Rohm's competitive advantage.

This technical progress has pushed Rohm's share price up 8.9% today, rising from yesterday's close of ¥4,815 to ¥5,242. This can be seen as a result of the company's strategic initiatives in the SiC power semiconductor market being highly valued by investors.

Consider it like a supplier providing a top motor racing team with a groundbreaking new engine component that can significantly reduce lap times on a specific course. If it were announced that this component resolves a long-standing performance bottleneck and provides a clear advantage over rivals, expectations for the team's victory would rise, and confidence in the supplier would similarly surge.

Rohm Co., Ltd.

6963·Tokyo Stock Exchange·Nikkei 225·🇯🇵
Industry
Semiconductors
CEO
Katsumi Azuma
Employees
23,014
Headquarters
Kyoto, JP
Listed
2001
About

ROHM Co., Ltd. (6963) is a Japanese technology firm specialising in semiconductors. Its operations are divided into three core segments: ICs, Discrete Semiconductor Devices, and Modules. The company manufactures a diverse range of integrated circuits, including memory, power management, and microcontrollers. Its discrete semiconductor offerings encompass MOSFETs, bipolar transistors, diodes, and advanced SiC power devices. Additionally, ROHM produces various modules, such as wireless communication and charger modules, alongside opto devices like LEDs and laser diodes. These components are integral to products across the industrial, automotive, and consumer electronics sectors. ROHM also provides foundry services and has strategic partnerships with Geely Automobile Group and Delta Electronics. The company was established in 1940 and is based in Kyoto, Japan.