Magnachip Launches 650V Super Junction TOLL Package Products with Integrated Kelvin Source

About this update from Magnachip Semiconductor Corporation

- New Package Lineup Targets Premium Consumer Electronics and High-Power/High-Current Markets - Additional SJ MOSFET TOLL products are planned to be released for AI Data Centers SEOUL, South Korea, October 29, 2025 --( BUSINESS WIRE )--Magnachip Semiconductor Corporation (NYSE: MX, "Magnachip") today announced the release of two new 650V Super Junction MOSFET (SJ MOSFET) products, adopting the TO-Leadless (TOLL) package, that are designed to meet the high-power and high-current requirements of premium consumer electronics such as premium TVs, gaming monitors, AI laptop adaptors, and chargers. Current Magnachip products with TOLL packaging, such as the 80V – 200V eXtreme Trench MOSFETs, use a 3-pin configuration. The new 650V SJ MOSFETs have a 4-pin Kelvin configuration, which minimizes the effects of parasitic inductance on the gate-source return path, thereby improving switching stability and overall power efficiency by reducing gate oscillation (Ringing). As compared to a conventional D 2 PAK package, the 4-pin TOLL package delivers more than a 100% increase in current capability, a 24% reduction in footprint and a 48% reduction in height. Therefore, the 4-pin TOLL package is suitable for smaller PCB and high-power density applications, which demand high power efficiency and effective heat dissipation performance. Hyuk Woo, CTO of Magnachip, commented: "Our new 650V SJ MOSFET TOLL products are designed to meet both PCB space-saving and high-performance requirements of slim form-factor applications. Magnachip will continue to expand its 600V TOLL package product lineup in the near future to support new-generation products for AI datacenters and high-power applications." Related Links Power Solutions > SJ MOSFETs > 650V Related Articles Magnachip Unveils a New 650V IGBT for Solar Inverters Magnachip Commences Mass Production of Two New 650V SJ MOSFETs with a Slim Form Factor Magnachip Unveils a New 650V IGBT for Solar Inverters About Magnachip Semiconductor Magnachip is a designer and manufacturer of analog and mixed-signal power semiconductor platform solutions for various applications, including industrial, automotive, communication, consumer and computing. The Company provides a broad range of standard products to customers worldwide. Magnachip, with about 45 years of operating history, owns a portfolio of approximately 1,000 registered patents and pending applications, and has extensive engineering, design and manufacturing process expertise. For more information, please visit www.magnachip.com . Information on or accessible through Magnachip’s website is not a part of, and is not incorporated into, this release. View source version on businesswire.com: https://www.businesswire.com/news/home/20251029072071/en/ Contacts United States (Investor Relations): Mike Bishop Bishop IR, LLC Tel. +1-415-891-9633 [email protected] USA media / industry analysts: Mike Newsom LouVan Communications, Inc. Tel. +1-617-803-5385 [email protected] Korea / Asia media: Kyeong Ah Cho Magnachip semiconductor Tel. +82-2-6903-3179 [email protected]

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