BC-3502/ER-35 H (8+8PIN) Transformer Bobbin

BC-3504A /ER-35 H (7+7PIN) Transformer Bobbin

BC-3504B/ER-35 COVER Transformer Bobbin

BC-3512/ER-35 H (8+8PIN) Transformer Bobbin

BC-4201/ER-42 V (7+7PIN) Transformer Bobbin

BC-4201-1/ER-42 H Double groove (8+5PIN) Transformer Bobbin

BC-4202/ER-42 COVER Transformer Bobbin