Ferrites and accessories Toroids (ring cores) R 63.0 38.0 25.0 Series/Type: Date: B64290A0699, B64290L0699 May 2023 TDK Electronics AG 2023. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without TDK Electronics’ prior express consent is prohibited. R 63.0 38.0 25.0 Uncoated / epoxy coating B64290A0699, B64290L0699 R 63.0 38.0 25.0 (mm) R 2.480 1.496 0.984 (inch) Dimensions da (mm) 63.0 1.5.