Ferrites and accessories Toroids (ring cores) R 87.0 u 54.3 u 13.5 Series/Type: B64290A0730, B64290L0730 Date: August 2017 EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company. R 87.0 u 54.3 u 13.5 B64290A0730, B64290L0730 Uncoated / epoxy coating R 87.0 u 54.3 u 13.5 (mm) R 3.425 u 2.138 u 0.531 (inch) Dimensions d (mm) d (mm) Height (mm) d (inch) d (inch) Height (inch) a i a i 1) 87.0 r 1.5 54.3 r 1.1 13.5 r 0.3 3.425 r 0.059 2.138 r 0.043 0.531 r 0.012 uncoated 89.3 max. 52.4 min. 14.8 max. 3.516 max. 2.063 min. 0.583 max. coated Characteristics and ordering codes Mate- A value P Ordering code Magnetic characteristics Approx. L i rial (approx.) weight 6 l/A l A V e e e 1 2 3 nH mm mm mm mm g K10 900 r 25% 700 B64290A0730X010 0.99 213.9 216.7 46360 235 N87 2790 r 25% 2200 B64290L0730X087 N30 5400 r 25% 4300 B64290L0730X830 T65 6280 r 30% 5000 B64290L0730X065 T37 7000 r 25% 5500 B64290L0730X037 T38 8200 r 30% 6200 B64290L0730X038 N87: P (100 mT, 100 kHz, 100 C) < 5 W/core V K10: Z (0.25 mT, 25 MHz, 25 C, 1 turn): 45 typ. (0.25 mT, 100 MHz, 25 C, 1 turn): 70 typ. The capacitive effect of turns is not evaluated. Minimum impedance is Z typ -15%. 1) On request. Please read Cautions and warnings and 2 8/17 Important notes at the end of this document.