e-PassiveBlog

Ceramic disc PTC components are universally used for overcurrent circuit protection purposes. The principle of their function is relatively simple....

This article provides a practical introduction to how transformers and solenoids work, their key equations, parasitic effects, and typical applications...

Resistors in power and signal circuits rarely see pure DC; they are often stressed by pulses, surges and elevated temperatures...

The article explains basic definition of inductance, impedance and inductive losses. Inductance L Not only magnetic materials possess a magnetic...

This article elaborates on design and calculation of basic DC/DC power converters. The post is based on Würth Elektronik‘s “DC/DC Converter Handbook”...

Primarily inductors consist of a coil. If we insert a core of magnetic material the inductive properties of the coil...

The article defines the other basic principles of magnetism, magnetic and inductor components – Magnetic Induction, Magnetic Flux and Faraday's...

The voltage coefficient of resistance (VCR) is a key non‑linearity parameter of high‑value resistors that can quietly dominate error budgets...

The article introduces basic principles of inductive components - Magnetism, Ampère’s Law and Magnetic Fields Strength. Magnetism The basis for...