e-PassiveBlog

Resistors are passive components that convert electrical energy into heat while providing a precise impedance to current flow. They exist...

Source: Avnet Abacus article With the continuing supply shortage for multi-layer ceramic capacitors (MLCCs), designers are being forced to consider...

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....

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...