2set EI28 13+13pins 5+5pins 6+6pins PC40 Ferrite Cores and bobbin 28mm
$1.40
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We use the Polyethylene foamed sheet to protect the ferrite cores and bobbins, then use the air column, don't worry! EI28 Ferrite Cores AL=3500±25%"E" core size(mm): A: 28.0±0.6 B: 16.7±0.3 C: 10.7±0.3 D: 7.3±0.3 E: 18.6min F: 12.2±0.3 I: 3.5±0.2each set =2 ferrite halves + 1 bobbin
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