Transcription of Toroids Design Toroids Considerations - Ferronics, …
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Toroids Design Toroids Considerations - Ferronics, …
13 Ferrite Toroids provide an often convenient and veryeffective shape for many wide band, pulse and powertransformers and inductors. The continuous magneticpath yields the highest effective permeability and lowestflux leakage of any Considerations :The inductance may be calculated from(the units are in CGS system which is used throughoutthis catalog). Here le and Ae are the effective magneticpath length and cross sectional area of the core, is theeffective permeability of the material, and N is thenumber of turns. This formula may be used for any shapeunder all conditions provided the correct value of isused and stray reactances are given proper consider-ation. In a toroidal core, this may be expressed as:where OD, ID and H are the dimensions in inches. Forlow level conditions at comparatively low frequencies theformula may be simplified by using the Inductance Index,AL, listed in this catalog.
13 Ferrite toroids provide an often convenient and very effective shape for many wide band, pulse and power transformers and inductors. The continuous magnetic
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