| OP793C | 
                            TT Electronics/Optek Technology | 
                            PHOTOTRANS NPN W/RESISTOR TO-18 | 
                            TO-18-2 | 
                            6,606 | 
                          
                                                    
                            | OP803TXV | 
                            TT Electronics/Optek Technology | 
                            PHOTOTRANS SILICON NPN TO-18 | 
                            TO-206AA, TO-18-3 Metal Can | 
                            7,866 | 
                          
                                                    
                            | SFH 320 FAG-3-Z | 
                            OSRAM Opto Semiconductors Inc. | 
                            PHOTOTRANSISTOR NPN | 
                            2-SMD | 
                            2,844 | 
                          
                                                    
                            | RPM-075PTT86 | 
                            Rohm Semiconductor | 
                            PHOTOTRANS 600NM 0805 SMD | 
                            Nonstandard SMD | 
                            270,600 | 
                          
                                                    
                            | LTR-4206E | 
                            Lite-On Inc. | 
                            PHOTOTRAN NPN 3MM IR DARK | 
                            T-1 | 
                            186,180 | 
                          
                                                    
                            | SFH 3204-Z | 
                            OSRAM Opto Semiconductors Inc. | 
                            PHOTOTRANSISTOR NPN SIDELED SMD | 
                            2-SMD, Flat Lead | 
                            229,542 | 
                          
                                                    
                            | VEMT3700F-GS08 | 
                            Vishay Semiconductor Opto Division | 
                            PHOTO TRANS. SMD PLCC2 | 
                            2-LCC (J-Lead) | 
                            353,904 | 
                          
                                                    
                            | BPY 62-3/4 | 
                            OSRAM Opto Semiconductors Inc. | 
                            PHOTOTRANSISTOR NPN 830NM TO-18 | 
                            TO-206AA, TO-18-3 Metal Can | 
                            29,178 | 
                          
                                                    
                            | PT91-21C | 
                            Everlight Electronics Co Ltd | 
                            PHOTOTRANSISTOR 1.9MM RND AXIAL | 
                            Axial | 
                            19,836 | 
                          
                                                    
                            | SD5443-003 | 
                            Honeywell Sensing and Productivity Solutions | 
                            SENSOR PHOTOTRANSISTOR NPN TO-46 | 
                            TO-46-3 Metal Can | 
                            7,260 |