Junction temperature of a power semiconductor
Wired White v1 Estimate steady-state junction, case, and sink temperatures and a single-pulse junction rise from a four-term Foster model.
Engineering calcs
Calculators by WiredWhite engineers: inputs, formulas you can read, results, charts and drawings, checked against reference cases. They run in your browser.
Wired White v1 
RC low-pass filter
Wired White v1 Calculate the cutoff, gain, phase, Bode response, and step response of a passive first-order RC low-pass filter.
Buck converter power stage
Wired White v1 Size the inductor and output capacitor of a continuous-conduction buck converter and inspect its triangular inductor current.