E52-IC6F-N 1M E52-IC6F-N1M E52-IC75B-N D=8 E52-IC75B-ND8 E52-IC75C D=4.8 E52-IC-75C-8.0 E52-IC75C-N D=4.8 E52-IC75C-N D=6.4 E52-IC75C-ND4.8 E52-IC75C-ND6.4