IRVINE, Calif., Dec. 13 -- Microsemi Corp. announced it has received a $7.5 million 18-month contract for its military/aerospace and in-flight entertainment products from Rockwell Collins Inc. The contract includes semiconductor devices from all of Microsemi's four major product categories: power management, RF/microwave and optoelectronics, transient protection and power conditioning. In October, Microsemi also announced a two-year $4.5 million contract with a European corporation.