Ⅰ.Toroidal Transformer size（unit：mm）Toroidal Transformer with 166V Rated Voltage, Available in Various Colors?Feature of iron core of toroidal transformer1) Export power range from 0.5W -- 50W2) High efficiency and low temperature rising3) High frequency4) Great power densities5) Serious technology6) Effective insulationKey Specifications/Special Features:? Rated power: 50VA? Voltage: 230 or 12V AC? Power ratings: 80 to 200VA? Designed for audio equipment, medical use, power sources, lighting purpose and general purpose applications? Customized specifications are accepted? Regarding to halogen lamp transformers? TUV, GS, UL and CE certified