| DS15 | Astrodyne TDI | 10 | HIGH PERF DC PWR FILTER | 
                                                                    
                                        | DS15 S | Astrodyne TDI | 10 | HIGH PERF DC PWR FILTER | 
                                                                    
                                        | DS150 | Astrodyne TDI | 10 | HIGH PERF DC PWR FILTER | 
                                                                    
                                        | DS150 L | Astrodyne TDI | 10 | HIGH PERF DC PWR FILTER | 
                                                                    
                                        | DS1500B | ICOMTECH, INC. | 35,000 | 6-OUTLET ON-LINE UNINTERRUPTIBLE | 
                                                                    
                                        | DS1500W | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-DIP | 
                                                                    
                                        | DS1500WE | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP | 
                                                                    
                                        | DS1500WE+ | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP | 
                                                                    
                                        | DS1500WEN | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP | 
                                                                    
                                        | DS1500WEN+ | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP | 
                                                                    
                                        | DS1500WN | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-DIP | 
                                                                    
                                        | DS1500Y | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-DIP | 
                                                                    
                                        | DS1500YE | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP | 
                                                                    
                                        | DS1500YE+ | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP | 
                                                                    
                                        | DS1500YEN | Analog Devices, Inc. | 35,000 | IC RTC CLK/CALENDAR PAR 32-TSOP |