4 layers55.8 × 20 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the SMD0603-020 by TECHFUSE (-40℃~+85℃ 200mA 3.5Ω 40A 500mA 500mW 550mΩ 600ms 9V 0603 Resettable Fuses ROHS). See how each wires it, with its parts, size, README and files; the SMD0603-020’s symbol, footprint and pinout are on its own page.