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STMicroelectronics launches radiation-hardened low-voltage rectifier diodes for LEO satellites
Monday, December 22, 2025 at 10:40 PM
STMicroelectronics has introduced new radiation-hardened low-voltage rectifier diodes specifically designed for low Earth orbit satellite applications.
Context
STMicroelectronics has launched a new range of radiation-hardened low-voltage rectifier diodes specifically engineered for the rapidly expanding Low Earth Orbit (LEO) satellite sector. These components are designed to withstand the harsh radiation environment of space while maintaining high efficiency in power management systems. By optimizing these diodes for the LEO market, the company is targeting the massive growth in commercial satellite constellations that require a strategic balance of high reliability and cost-effectiveness compared to traditional, more expensive deep-space hardware.
This release is a calculated move to capitalize on the increasing deployment of orbital infrastructure, where power converters and protection circuits are essential. The diodes support various voltage ratings suitable for satellite payloads and bus systems operating at altitudes between 160 and 2,000 kilometers. As STMicroelectronics expands its rad-hard portfolio, it strengthens its position within the global aerospace supply chain, providing critical hardware for the next generation of satellite-based internet and Earth observation missions.
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