Fair-Rite 61 Toroid Ferrite Ring

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A high frequency NiZn ferrite developed for a range of inductive applications up to 25 MHz. This material is also used in EMI applications for suppression of noise frequencies abov e 200 MHz. Excellent stability characteristics. Strong magnetic fields or excessive mechanical stresses may result in irreversible changes in permeability and losses. Specifications: Inside Diameter 23 mm Outside Diameter 35.55 mm Thickness 42.7 mm Unit Weight 33 grams Electrical Properties: Inductance Factor: AL(nH) 140 ±25% Effective Cross-Sectional Area: Ae(cm2) 0.78 Core Constant: Σl/A(cm-1) 11.4 Effective Path Length: le(cm) 8.9 Effective Core Volume: Ve(cm3) 7 Show more