When you need a toroid the easiest source is often to wind it yourself. The problem being that placing a few hundred windings around a ferrite ring is a real drag, especially if you have to make ...

The Q3903-AL is a toroidal transformer featuring 500 Vrms winding-to-winding isolation with three 1:1 winding and complies with the RoHS, tin-silver over tin over nickel over brass standards.The Q3903 ...

When comparing the efficiency of different wind turbine blade designs, [AdamEnt] found using a hair dryer wasn’t the best tool for the job. Enter his new 3D-printed wind tunnel. After several ...