... ring core 1.Customized size and shape 2,High quality and low weight loss 3.Best price 4.Fast delivery toroidal magnetic ring core ... industries, telecommunications, computer and peripheral equipment, switch power, CRT color TV, liquid crystal display (LCD), Plasma color television, instrumentation, automatic ... size T cores includes H70×45×17 core, H80×50×20 core, H80×55×20 core, H99×55×15, H100×55×20, ...