Several vendors now offer this multiple-anode construction. The table shows representative low-ESR capacitor product families available in surface-mount packaging, along with their key characteristics ...

The circuit shown here tackles ESL/ESR measurement of capacitors by using a mercury-wetted relay (Fig. 1). In this circuit, the relay is employed as a fast closing switch.

It measures ESR and DSR from 0.1 to 30 Ω over a capacitance range of 0.47 to 2200 µF. A three-color front-panel chart shows readings of good, fair, and bad.

With [Paulo]’s DIY ESR meter, of course. An ideal capacitor has a zero equivalent series resistance, and failure of a capacitor can be seen as an increase in its ESR.

This ESR actually has multiple constituent elements, including the part contributed by the electrodes and terminal leads, as well as that due to the dielectric, plate material, electrolytic solution, ...

Panasonic has introduced a range of compact low-ESR SMD aluminum electrolytic capacitors with capacitance 20 – 80% higher than its existing FK series. Called FN, it covers parts from 10µF to 1,800µF ...

UQCS Series microwave MLCs exhibit lower ESR & higher Q than previous versions February 28, 2011 10:35 AM Eastern Standard Time ...