Air Core Inductorīy taking a cylindrical material of specific diameter (like a drill bit) as a template, we can wrap around a length of wire to make an air-core inductor, further the inductance can be stabilized by dipping the inductor in varnish or securing it by wax. When compared with other core indictors these have very limited applications. These are applicable in audio equipment’s. These inductors have high power and high inductance value but limited in high frequency capacity. In the areas where low space inductors are in need then these iron core inductors are best option.

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3.7 Volt Battery Charger / 18650 Battery Charger.Battery Powered Adjustable Power Supply.Automatic Battery Charger Circuit With IC555.Automatic Battery Charger for all Batteries.Power Supply & Battery Charger Circuits.so if you like to do it simple and easy please watch our next video to show you how you can use this kind of sites and etc. at the first time that I like to do it by myself, I was read many articles and application notes, but when I found that there is some sites that they do it in second I feel some. So watch our next video to find out how you can measure them: Each core have 3 diameter and it's really important in designing. At the first we must know the diameter of our core. so if your frequency is higher than 1KHZ use Ferrite cores.įor introduce and more initial info of this cores we making a video that you can watch it from here: Īll of our videos time is about 22min, please watch them! it's better for your designing too.Ī toroid inductor cores have two kind of material: Ferrite(used in high frequency) & Iron powder (for low and high frequency) although there is some special material too, but they're not typical.Īnd the permeability of Ferrite cores is so higher than Iron powder and it's mean you can have bigger inductance with less wiring. Hello and welcome to Toroid inductor making room!!įirst of all I don't like to wast people time by introductions and this kind of stuff so we're going to do it.

Ferrite core inductor calculator