Compact 30W Adapter


Phihong USA has developed a compact 30W adapter designed to power netbook computers. Designated the PSA30W-190A, Phihong's smallest 30W, Level V efficient adapter produces an output of 19V and 1.6-1.8A, which is ideal for powering portable computers. 

"The personal computing market is shifting towards slim, lightweight, highly portable, and more business-focused ultrabooks that are designed to reduce overall bulk in briefcases and travel bags. Consequently, their power adapters must follow suit," said Keith Hopwood, vice president of marketing for Phihong USA. "The batteries in these new, slim-line computers are more efficient than those in traditional notebook computers and require much less overall power." 

The PSA30W is the smallest 30W adapter manufactured by Phihong, and the 19VDC output makes it ideal for efficiently charging a netbook's lithium-ion battery pack. Standard features include over-current, over-voltage, and short-circuit protections, and a no-load power draw of less than 0.2W. The PSA30W meets all of the requirements for Level V efficiency markings, as well as bears safety approvals from TUV, CE, and cUL/UL. The unit measures 80mm x 35mm x 24mm and weighs approximately 110 grams. The 1.5-meter DC cord is terminated with a 2.5mm x 5.5mm x 9.5mm center positive barrel. Additionally, Phihong offers an in-house service for changing DC tips with no minimum order quantity required. 


  • output of 19V and 1.6-1.8A
  • no-load power draw of less than 0.2W

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