Description:
Inductors are components that resist changes in current flow in a circuit. They store energy in a magnetic field when current passes through them.
How it works:
When current flows through an inductor, a magnetic field is generated. Changes in current induce a voltage across the inductor that opposes the change in current.
(In other words!) This device stores energy in a magnetic field when electricity is applied. That magnetic field resists changes to the current flow through the inductor.
Connect it:
Inductors can be connected in series and parallel in ways similar to resistors and capacitors.
An inductor has two wire leads, and should be connected in series with the device it's meant to support.
How it is used:
Inductors are used in filters, oscillators, and power supplies.
Select the device to edit its name and inductance.
Get Started:
Drag the starter circuit below into your design for a working example of how to use this part.
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More About Inductors:
To add an Inductor in Tinkercad, search for "Inductor" in the component library, drag it onto your breadboard, and connect its terminals with wires to other components in your circuit. You can then click on the Inductor to set its specific inductance value in Henry units.
An inductor is a passive electrical component that stores energy in a magnetic field when current flows through it. The primary function of inductors is to oppose changes in current and filter signals, commonly used in power supplies, signal processing, and energy storage systems. There are various types of inductors, including air core inductors, iron core inductors, ferrite core inductors, and variable inductors. Each type varies in construction and performance characteristics based on the material of the core. Air core inductors are used when low inductance values and high frequencies are involved, while ferrite core inductors are ideal for high-frequency applications due to their low losses. The key specifications of inductors include inductance, measured in henries (H), typically ranging from nanohenries (nH) for small inductors to millihenries (mH) or henries (H) for larger ones. Inductance determines the ability of an inductor to resist changes in current, and it depends on the number of turns of wire, the core material, and the shape of the coil. Another important specification is the DC resistance (DCR), measured in ohms (Ω), which indicates the resistance of the inductor’s winding and affects the efficiency of power transmission. Current rating, expressed in amperes (A), is the maximum current the inductor can handle without saturating or overheating. The Q factor (quality factor) is a measure of the inductor's efficiency, calculated as the ratio of reactance to resistance at a given frequency. Additionally, inductors have a power rating, often specified in watts (W), which indicates how much energy the inductor can dissipate without failure. Inductors are widely used in filters (for signal conditioning), transformers, chokes, and in energy storage for devices like buck converters and boost converters.
Recommended Websites for Learning About Inductors:
1. Website Title: Electronics Tutorials – Inductors
Website Page URL: https://www.electronics-tutorials.ws/inductor/inductor_1.html
URL recommended for (Reason): This tutorial offers a clear explanation of inductors, including their types, working principles, and key specifications like inductance, Q factor, and resistance. It’s great for beginners and those wanting to grasp the fundamentals of inductance.
2. Website Title: SparkFun – Inductors Tutorial
Website Page URL: https://learn.sparkfun.com/tutorials/inductors/all
URL recommended for (Reason): A practical guide to understanding inductors, including how they are used in filters, power supplies, and transformers. The tutorial also covers important concepts like self-inductance, mutual inductance, and magnetic fields.
3. Website Title: All About Circuits – Inductors
Website Page URL: https://www.allaboutcircuits.com/textbook/magnetic-induction/inductors/
URL recommended for (Reason): This page covers the theory of inductors, how they store energy in magnetic fields, their different types, and their applications in AC and DC circuits. It’s suitable for students looking for detailed explanations and practical applications.
4. Website Title: Digi-Key – Inductors Guide
Website Page URL: https://www.digikey.com/en/resources/inductors
URL recommended for (Reason): This site offers a comprehensive guide to selecting and using inductors in various circuits, along with datasheets and tutorials. It’s helpful for users wanting to understand inductor specifications and select the appropriate component for a specific application.
5. Website Title: PracticalEE – Inductors and Their Applications
Website Page URL: https://practicalee.com/inductors/
URL recommended for (Reason): A deep dive into inductor types, including air-core, ferrite-core, and transformer inductors, with practical insights into their uses in power electronics, filtering, and energy storage. It’s excellent for intermediate learners and professionals.
Note: Autodesk® and TinkerCAD® are trademarks of their respective company
TinkerCAD Circuits Platform related Interesting Links:
TinkerCAD Circuits Reference Handbook eBook: About Page
Quickly Master Electronics with the TinkerCAD Circuits Reference Handbook
…till next post, bye-bye & take care.
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