ON Semiconductor has announced a new range of silicon carbide MOSFET devices for demanding applications where power density, efficiency and reliability are key considerations. The package format uses flexible leads to improve overall reliability, and an internal copper clip connection between the MOSFETs simplifies PCB designs and brings a plug and play style solution with exceptional current handling capability of 98A. As reliance on communication and weather satellites grows and space research expands in scope and mission, new technology is required to help speed spaceflight system design and production. Offering eight million hours Mean Time Between Failure (MTBF) and up to 87% efficiency – the highest of any standard 120V input space-grade DC-DC power converter, the SA50-120 maximises system performance and reliability. The units are qualified to 100 krad (Si) Total Ionisation Dose (TID) and Single Event Effects (SEE) greater than 80 MeV cm2/mg, and offer synchronisation, a Transitor-Transitor Logic (TTL) on/off command signal, and various protection features.
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