| QS2030 | 
                                            FAIRCHILD | 
                                            QS2030 FAIRCHILD IC TOP5-DIP2 | 
                                        
                                                                            
                                            | QSA156 | 
                                            ON Semiconductor | 
                                            IC SENSOR BUFF TOTEM-POLE TO-18 | 
                                        
                                                                            
                                            | QSA156/QSA157/QSA158/QSA159 | 
                                            FAIRCHILD | 
                                            QSA156/QSA157/QSA158/QSA159 FAIRCHILD IC TO-18 | 
                                        
                                                                            
                                            | QSA157 | 
                                            ON Semiconductor | 
                                            IC SENSOR INVERT TOTEM-POLE TO18 | 
                                        
                                                                            
                                            | QSA158 | 
                                            ON Semiconductor | 
                                            IC SENSOR BUFFER OPEN-COLL TO-18 | 
                                        
                                                                            
                                            | QSA159 | 
                                            ON Semiconductor | 
                                            IC SENSOR INVERT OPEN-COLL TO-18 | 
                                        
                                                                            
                                            | QSB320 | 
                                            FAIRCHILD | 
                                            SURFACE MOUNT SILICON INFRARED PHOTOTRANSISTOR IC | 
                                        
                                                                            
                                            | QSB320F | 
                                            FAIRCHILD | 
                                            SURFACE MOUNT SILICON INFRARED PHOTOTRANSISTOR IC | 
                                        
                                                                            
                                            | QSB320FTR | 
                                            FAIRCHILD | 
                                            QSB320FTR FAIRCHILD IC SMD | 
                                        
                                                                            
                                            | QSB320TR | 
                                            FAIRCHILD | 
                                            QSB320TR FAIRCHILD IC Original | 
                                        
                                                                            
                                            | QSB34 | 
                                            FAIRCHILD | 
                                            SURFACE MOUNT SILICON PIN PHOTODIODE IC | 
                                        
                                                                            
                                            | QSB34CGR | 
                                            ON Semiconductor | 
                                            PHOTODIODE OVERMOUNT BRD GW SMD |