www.DataSheet4U.com PS 25 × 8,9 Core and Accessories Core I Recommended for new designs I For inductive proximity switches I Material N22 for the frequency B65939 B65940 range from about 60 to 600 kHz Material N22 Approx. weight g 9 Ordering code B65939-A-X22 Coil former Material: GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 °C); color code black lN mm 51 A R value µΩ 105 Ordering code B65940-B-T1 AN mm2 16,7 365 08/01 Herausgegeben v.