Micropac Industries, Inc designs and manufactures standard and fully custom solid state power controllers for the high reliability industrial, military/aerospace and space markets. Included in the offerings are radiation tolerant designs. Optically isolated and magnetic isolated configurations are available. Features can include short circuit protection, built in test, thermal shutdown, status lines and current limiting. Two new devices, the 53508 and 53509 are joining the lineup to provide higher current capability in support of 28 and 270 VDC bus architectures.