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Littelfuse Expands X4-Class Portfolio With 200 V, 480 A Ultra-Junction MOSFET in SMPD-X Package
November 26, 2025

CHICAGO, Illinois, Nov. 26 -- Littelfuse, a circuit protection manufacturer, issued the following news release:

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Littelfuse Expands X4-Class Portfolio with 200 V, 480 A Ultra-Junction MOSFET in SMPD-X Package

New X4-Class device simplifies thermal design, boosts efficiency, and reduces part count in energy storage, charging, drone, and industrial applications.

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ROSEMONT, Ill., November 25, 2025 -- Littelfuse, Inc. (NASDAQ: LF . . .

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