While power supplies with this design do have many advantages, ... To bring the voltage to an acceptable level, a recognizable bridge rectifier is paired with a capacitor as well as a zener diode.

Transformerless power supplies are showing up a lot here on Hackaday, ... (5V circuitry with zener diode and relay) in series and shorting the relay out, if I want to de-energize it.

STMicroelectronics has introduced a new family of high-efficiency power rectifiers that will help product manufacturers achieve energy-efficiency approvals, such as 80 PLUS. Saving energy has become a ...

Toshiba’s new power MOSFETs with high-speed diodes help to improve power supply efficiency in applications including data centers and PV generators.

San Jose, Calif. — Fairchild Semiconductor introduces seven STEALTH II fast-recovery diodes that increase power supply efficiency. These rectifiers feature fast reverse recovery and soft recovery ...

A series of TVS diodes designed to protect USB power lines and power supply connectors used in mobile devices has been launched by Toshiba Electronics Europe. According to Toshiba, its DF2SxxP2 series ...

Meeting current data center power-supply requirements, the Z-Rec 650V junction barrier Schottky diodes provide a blocking voltage to 650V to accommodate recent changes in data ...

Ordinary silicon diodes used in switch-mode power supplies lose up to 1% efficiency by not turning off immediately. SiC diodes can save that energy normally lost during switching.