Renesas announced on 1 April 2026 that its radiation-hardened Intersil ICs are being used on NASA’s Artemis II crewed lunar mission, the first crewed Artemis flight, with hardware embedded across multiple subsystems in the Orion capsule and the Space Launch System rocket. The company says the parts support mission-critical functions including power regulation and distribution, signal integrity, onboard computing, data communications, power conditioning, protection circuitry, and telemetry, tracking and control.
The technical significance is straightforward: these ICs are designed to operate reliably under the elevated radiation and extreme temperatures of human spaceflight, where standard commercial electronics can fail. For a lunar archive and habitat, that means the same design philosophy applies to radiation-tolerant control systems, redundant power management, and hardened communications paths that must keep working for years without repair.
Ark team action: track which Renesas part families and qualification standards were actually selected, especially any MIL-PRF-38535/QML-compliant space-grade lines and their demonstrated mission performance on Artemis II. Prioritize comparable architectures for Ark power distribution, avionics, fault protection, and telemetry; benchmark them against alternative rad-hard vendors and preserve procurement, qualification, and failure data for future replication.
The key takeaway is that crewed lunar missions are now flying with proven rad-hard semiconductors in core vehicle systems, validating a electronics strategy the Ark should treat as mandatory, not optional.