Semi-Encapsulated Toroidal Inductor Electrical Specifications at 25OC Parameter Inductance (1) Min. Typ. Max. Units 45 50 55 µH .035 mΩ 3.93 ADC DCR Rated Current, IDC (2) SRF 4.0 Schematic Diagram MHz 1. Inductance measured at 1 kHz / 50 mV 2. Rated for 40oC temperature rise. Materials used in construction of this component meet or exceed UL Class B and can be operated up to 1300 C. Physical Dimensions inches (mm) .460 (11.68) MAX. .810 (20.57) NOM. .900 (22.86) MAX. .250 (6.35) TYP. .350 (8.89) NOM. RHOMBUS P/N: L-478 CUST P/N: DATE: 7/6/99 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 Rhombus Industries Inc. Transformers & Magnetic Products NAME: SHEET: www.rhombus-ind.com