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https://www.infineon.com/part/CHIP-L5442A-P

CHIP-L5442A-P - HiRel Radiation Hard PowerMOS Transistor | Infineon Technologies

CHIP L5442A(P) is a HiRel Radiation Hard PowerMOS Transistor, 40V max voltage, 10A current for high-reliability systems. Find parameters and orders.

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https://rd50.web.cern.ch/

CERN RD50 - Radiation hard semiconductor devices for very high luminosity colliders

radiation hard semiconductor devices cern high luminosity