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Inductor Q Factor and Self-Resonant Frequency Explained

Q factor shows how lossy an inductor is at a given frequency, and self-resonant frequency shows where it stops being an inductor. Here is…

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How to Choose a Magnetics Manufacturer: A Buyer’s Guide

A structured way to evaluate a supplier of inductors, chokes and transformers: capability, engineering support, test coverage, traceability and commercial terms.

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Telecom Power Supply Magnetics: Rectifiers, DC-DC and EMI

The transformers, inductors and chokes in a telecom power chain, from the 48 V rectifier to point-of-load converters, and what each must deliver.

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High Frequency Transformer Losses: Core, Copper and Beyond

Where the heat in a high-frequency transformer comes from: core loss, skin and proximity effects, fringing and leakage, and the design steps that reduce…

Material-Inspection

How to Pass Conducted Emissions Testing the First Time

A practical route to passing conducted emissions: what the standards ask for, how to run a pre-compliance scan, and which fix suits each part…

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Inductor Failure Modes and Prevention: What Goes Wrong and Why

Inductors rarely fail without a cause. This guide covers the thermal, magnetic, electrical and mechanical failure mechanisms and the design and sourcing steps that…

Single phase ferrite core transformer - NG Electronics

Air Gap in Inductors Explained: Why a Small Gap Changes Everything

A fraction of a millimetre of air in a ferrite core decides how much current an inductor can carry. This guide explains what the…

UU9.8 8.2mH 250mA Common Mode Choke

Common Mode Choke Selection: A Practical Engineering Checklist

A five-step checklist for selecting a common mode choke: electrical ratings, impedance, core and winding, thermal and safety fit, and sample verification.

Copper toroidal inductor - NG Electronics

Current Transformer vs Power Transformer: Key Differences

How current transformers and power transformers differ in connection, core flux, design goals and failure modes, including why a CT secondary must stay closed.

Toroidal inductors - NG Electronics

Inductors for Battery Energy Storage Systems: A Design Guide

The inductors and chokes in a battery energy storage converter: bidirectional DC-DC stages, ripple control, grid filters and how to specify them.