Engineers at Omnirel Corp. in Leominster, Mass., have received MIL-PRF-19500 qualified parts list approval for their new line of ultrafast power rectifiers designed the 1N6768 through 1N6773 series. These devices are 50-volt through 600-volt, 8-amp ultrafast center-tap rectifiers in the TO-257 package. They are for output rectifiers in high-frequency switching power supplies and DC-DC converters. Omnirel leaders say they plan to qualify more than 20 new rectifier, MOSFET, and IGBT devices this year to the Defense Department`s Joint Army Navy - or JAN - listing. For more information, contact Omnirel by phone at 978-534-5776, by fax at 978-537-4246, by post at 205 Crawford St., Leominster, Mass., 01453, or on the World Wide Web at http://www.omnirel.com/. - J.K.