ITEM NAME:5set PC40 EE25 5+5pins Ferrite Cores bobbin, transformer core, inductor coil Z #aucsearchbutton #aucsearchbutton:hover { cursor: pointer;.5set NEW EE25 5+5pins Ferrite Cores. 5SET =10 ferrite halves + 5 bobbin. Core size(mm): (as picture). B:10.0 ±0.2. A:25.0 ±0.4. AL=1950 ±25%.