Mechanical relays continue to enjoy a growing demand and so far can't be replaced by solid state relays (SSR). Compared to SSRs, the lower cost, contact resistance and the galvanic isolation of ...

[SaltyPuglord] needed a solid state relay for a project. We’d have just bought one, but he decided to design his own in LTSpice. Along the way he made the video below, which is pretty informative and ...