As switch mode power supplies continue to increase the frequency at which they operate, the filter capacitor becomes more important. This guide gives some great insight into the selection and mounting ...

A perennial challenge in power-supply design is the safe and speedy discharge, or “dump,” at turn-off of the large amount of energy stored in the postrectification filter capacitors. This energy, CV 2 ...

Almost all off line switching power supplies over several kilowatts of output power use a three phase bridge rectifier. Typically, it comprises a six diode bridge and a DC bus filter capacitor. A ...

Power Integrations is aiming at larger home appliances needing to meet IEC60335 with an X-capacitor discharger that can empty 6µF in under a second. X-capacitors are part of the EMC input filter of ...

What causes EMI in switched-mode power supplies, and how the active EMI filter can help. What is switching noise jitter? Adopting visible light communication to tackle EMI. Why AEFs are a better ...

Awhile back I was speaking to my uncle who worked at IBM fixing power supplies that they created for pcs. I asked him how dangerous it was to put your hands inside the power supply after he tests it ...

Recently a member of TDK-Lambda’s technical marketing team experienced first-hand just how much influence small diameter electrolytic capacitors can have on long-term power supply reliability.

Not all UPS designs are the same. As a result of cost savings in the very competitive UPS market, some designs may not have the highest level of component reliability. Capacitors are an integral part ...

Have you got a dead power supply? The problem could be just a 50-cent fuse. Find out how to determine if a fuse is faulty, as well as how to replace it. So you’ve got a dead power supply and want to ...