| OP555B | 
                            TT Electronics/Optek Technology | 
                            PHOTOTRNS NPN PLASTIC SIDE LOOK | 
                            Radial | 
                            10,092 | 
                          
                                                    
                            | QSD8T120B | 
                            QT Brightek (QTB) | 
                            PHOTOTRANSISTOR IR 5MM BK LENS | 
                            Radial | 
                            6,312 | 
                          
                                                    
                            | SD1440-003 | 
                            Honeywell Sensing and Productivity Solutions | 
                            PHOTOTRANSISTOR COAXIAL PACK | 
                            Coaxial, Metal Can | 
                            8,964 | 
                          
                                                    
                            | LTR-5888DH | 
                            Lite-On Inc. | 
                            PHOTOTRANSISTOR PTX TBIT .15"HT | 
                            Radial, 3 Lead, Side View | 
                            3,996 | 
                          
                                                    
                            | SFH 325 FA-3-Z | 
                            OSRAM Opto Semiconductors Inc. | 
                            PHOTOTRANSISTOR NPN 980NM 2PLCC | 
                            2-LCC (J-Lead) | 
                            4,356 | 
                          
                                                    
                            | SFH 3605-Z | 
                            OSRAM Opto Semiconductors Inc. | 
                            PHOTOTRANSISTOR MIDLED SIDELOOK | 
                            2-SMD | 
                            4,680 | 
                          
                                                    
                            | OP506W | 
                            TT Electronics/Optek Technology | 
                            PHOTOTRANSMITTER SILICON NPN T-1 | 
                            T-1 | 
                            6,516 | 
                          
                                                    
                            | OP750D | 
                            TT Electronics/Optek Technology | 
                            PHOTOTRNS NPN W/RES SIDE LOOK | 
                            Radial | 
                            6,876 | 
                          
                                                    
                            | BPY 62 | 
                            OSRAM Opto Semiconductors Inc. | 
                            PHOTOTRANSISTOR TO-18 | 
                            TO-206AA, TO-18-3 Metal Can | 
                            4,986 | 
                          
                                                    
                            | OP516C | 
                            TT Electronics/Optek Technology | 
                            PHOTOTRANSISTOR | 
                            Coaxial, Metal Can | 
                            6,444 |