HF radios often use toroidal transformers and winding them is a rite of passage for many RF hackers. [David Casler, KE0OG] received a question about how they work and answered it in a recent video ...

Single-phase toroidal variable transformer according to DIN VDE 0552, designed as autotransformer (autoconnected winding), with rotary switch and scale. Voltage adjustable between zero and max. value.

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 ...

Featuring up to 97.4 percent power efficiency and a highly efficient design using nearly 30 percent less material, the new VPT Series toroidal power transformers from Triad Magnetics provide an ...

These toroidal power transformers are designed for medical applications. The transformers are available as bare toroids that can be integrated into the devices themselves or installed in enclosures ...