Venus Lander Electronics: Silicon vs Silicon-Carbide Survival (2D)

This 2D companion strips the three-lander comparison down to a single scrolling chart: uncooled silicon (red) heat-soaks to Venus's 465°C ambient on an exponential curve and crosses its ~150°C junction rating within about two simulated hours, matching the real Venera landers' historical surface survival time. Cooled silicon (yellow) is held in a narrow 45-90°C band for as long as its coolant reserve lasts — and here that reserve is a real, adjustable variable: drag the coolant-mass slider and the chart's yellow line visibly survives longer or shorter before it breaks from its held band and heat-soaks to ambient exactly like the uncooled lander, making the mass-vs-endurance trade-off something you can tune rather than just read about. Silicon-carbide (green) sits flat at ambient the entire time because its wider ~3.3 eV bandgap lets the junction switch correctly at 465°C with no cooling at all, so its line never breaks from the ambient ceiling no matter how far you fast-forward the clock.