More Engineering Resources New: Thin and Ultrathin Primary Lithium Cells Battery capacity tester for small and tiny cells Batteries and Packs Inexpensive Spot Welder Chargers for cells or packs Batteries come in a lot of different varieties, and many years of work at universities, government labs,...
Various KK.254 and compatible components. The design of the polarisation on Molex types is inferior to that of other manufacturers, with two small protrusions at the base of the housing, instead of the usual ribs which run at least half of the length of the housing. Because of this, small...
The TL431 has a long history; it was introduced in 1978[2] and has been a key part of many devices since then. It helped regulate the Apple II power supply, and is now used in most ATX power supplies[3] as well as the the iPhone charger and other chargers. The MagSafe adapter and...