Littlefuse
Littelfuse Expands X4-Class Portfolio with 200 V, 480 A Ultra-Junction MOSFET in SMPD-X Package - Press Release
November 25, 2025Littelfuse, Inc. (NASDAQ: LFUS), a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world, today announced the release of the MMIX1T500N20X4 X4-Class Ultra-Junction Power MOSFET. This 200 V, 480 A N-channel MOSFET features an exceptionally low on-state resistance (RDS(on)) of just 1.99 mΩ, enabling superior conduction efficiency, simplified thermal management, and improved system reliability in power-dense designs. (View the video in English, Chinese & Japanese.)
Compact SMD TVS Diodes Provide High-Reliability, 66% Increase in Surge Handling for Aerospace and Avionics Applications - Press Release
October 13, 2022Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, announced the new 5.0SMDJxxS-HRA TVS Diode Series. The high-reliability TVS diodes are designed, manufactured, and screened to provide robust overvoltage protection, with low early failures and zero degradation over continuous surge events.

