A capacitor rarely fails loudly. It fails quietly, and that’s what makes it dangerous. I remember debugging a compact PLC power board used in a packaging line. The system worked perfectly on the bench ...

These three-terminal devices confront parasitic inductance and act as the ultimate shield against high-frequency EMI.

Core Practical for Capacitor Discharge. Students configure the time constant for their circuit using a resistor box / variable resistor, measure the discharge of a capacitor and then plot discharge ...

Traditionally, capacitors are like really bad rechargeable batteries. Supercapacitors changed that, making it practical to use a fast-charging capacitor in place of rechargeable batteries. However, ...

Last time, we covered storing and charging a 3000 Farad supercapacitor to build a solar-powered, portable spot welder. Since then, I’ve made some improvements to the charging circuit and gotten it ...

Capacitors are a crucial component of any electrical circuit, and every engineer should know how they work and when to use them. But as with every electronic component, there’s a lot to understand ...

Tantalum capacitors are constructed using tantalum for at least the anode material. Capacitors in general consist of two polarized conductors separated by an insulating dielectric material. When the ...