e-PassiveBlog

Source: Powersystems design article Christopher Hare, Coilcraft, Inc. explains class-D audio amplifier output filter design and optimization. Careful component selection...

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

This article explains the basic functionality and equations of transformer and solenoid. Transformers What is a transformer ? A transformer...

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...