Powered by a 9V battery or an optional ac wall adapter, the Model 881 handheld tester can be used to measure the equivalent series resistance (ESR) of electrolytic capacitors in or out of circuit. The ...

A popular style of fan motor used on older refrigeration equipment is the permanent split capacitor (PSC) motor. It is an electric motor made up of essentially two magnets: one is stationary (the ...

If you’ve done any amount of electronic design work, you’ll be familiar with the need for decoupling capacitors. Sometimes a chip’s datasheet will tell you exactly what kind of caps to place where, ...