e-PassiveBlog

In many applications reliability, stability and long lifetime of resistors are of critical importance. Lets learn something about resistors’ noise...

Source: EDN article Article by John Dunn -August 08, 2018 explaining bypass capacitor resonances considerations.  Ideal capacitors only exist in...

Coils wound on toroids have due to the closed magnetic circuit, a high inductance and thus a good attenuation effect....

Inductors are fundamental components in electronic circuits, used extensively for their ability to store energy in a magnetic field. The...

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....

In this article we will discuss what is a resistor voltage and frequency dependence in basic relations and also specific...

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

The article discuses key electrical resistor pulse load, power and voltage derating parameters that are important for proper selection guide...

The article explains basic definition of inductance, impedance and inductive losses. Inductance L Figure 1. Magnetic fields of current carrying...