the main power supply unit (PSU) is the box into which you plug a mains power cable that then converts the 120V or 230V alternating current (AC) power from your wall sockets to the direct current ...

Dell Technologies Inc. Cl C-3.39% $72.7B ...

Toshiba Electronics has introduced a 60V 1A single-contact photo-relay in a 2.6 x 7mm 4pad SO4 package. Called TLP3640A, it can switch 60Vdc or 60Vac peak, with a typical on-resistance of 0.14Ω and ...

I write about disruptive companies, technologies and usage models. Cisco's chief product officer Jeetu Patel presents at the recent Cisco Partner Summit. One tech giant after another has waded ...

There's certainly a lot to like about this model, but I've rounded up all our top picks and recommendations for anyone who needs reliable, on-the-go power supplies. The quick list Want to find out ...

I’ve been writing and editing blog posts and articles aimed at business owners for more than five years. In addition to PCMag, my work appears in Business.com, Business News Daily, the Fellow ...

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Thermaltake has a handful of new Toughpower PSUs on display at its CES 2025, and I've been over there to check them out. First off, the Thermaltake Toughpower D2000, which is quite literally too ...

One “cheat” is to use a voltage-dropping resistor to limit the voltage and AC-line current to the LED requirements (around 20 mA). But this offers inconsistent performance, has technical risks like ...

Canada and Mexico said they would impose tariffs on imports from the U.S. in retaliation for duties announced by President Trump on Saturday. Trump imposes tariffs on imports from Canada, China, ...

Power Rankings: Thunder leap Cavs for No. 1 The Nuggets, Clippers and Lakers move into the Top 10 as a crucial Thunder vs. Cavs showdown looms this week. New York, Minnesota and Miami make big ...