Here are 4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components. Each of the schematic is very ...

The HM-1200 features dual 600W 12V rails. 12V1 is dedicated to the ... While this isn't stated anywhere on the power supply, box, or ADATA's website, it is denoted in the user manual.

This is a transformerless power supply for low current applications. C1 is the X rated AC capacitor that reduces high volt AC. D1-D4 rectifies AC to DC and C2 removes ripples. R1 is the bleeder to ...

Leo and Luke are over in Las Vegas for CES and they spent some time today with FSP at their suite - they saw a cool looking case, and some new power supplies, including a 12V only one, which could ...

The sextuple 12V rails dominate the I/O specifications ... one of the highest in the industry. The 1250W power supply uses the same box and packaging that we saw with the previous two Sparkle ...

Presented in what's usually a mundane box spitting cables from ... providing another 3.3V, 5V and 12V circuit - and introduced a requirement for all power supplies to feature at least one serial ...

With the ATX standard also came the ATX power supply (PSU), the standard for which ... the -5V rail was removed, and the -12V rail made optional. The ATX power connector with the mainboard was ...

Power supplies ... are triple +12v rails capable of 18a. One noticeable difference between the two is that the 520W has a 24a +5v while the 620w has an available 30a on the same rail. Closer Look I am ...

At the Computex trade fair in Taiwan this week, Seasonic showed the prototype of a power supply unit in which the currents on the individual 12-volt lines of the controversial 12V-2x6 connector ...

The PC power supply has been a standard of the junk box for the last couple of decades, and will probably continue to be for the foreseeable future. A product that is often built to a very high ...

Newer power supplies will jettison support for old-school 3.3-volt and 5-volt rails, and concentrate solely on producing 12-volt power. But after kicking the tires on a pair of ATX12VO ...

PCs originally ran mostly on 5 volts, but over time they’ve shifted mostly to 12-volt power. One PSU maker, for example, pointed to a circa-2006, 600-watt supply it made that had 25 percent of ...