| QP50(18u)-6 SD2-DIAG | First Sensor | 0 | Optical Sensor Development Tools | 
                                                                    
                                        | QP50(18u)-6 SD2-DIAG | First Sensor | 0 | Optical Sensor Development Tools | 
                                                                    
                                        | QP50-6 SD2-DIAG | First Sensor | 5 | Optical Sensor Development Tools Quadrant 7.8mm Dia Area with 42um Gaps and Diagonal leads | 
                                                                    
                                        | QP50-6 SD2-DIAG | First Sensor | 5 | Optical Sensor Development Tools Quadrant 7.8mm Dia Area with 42um Gaps and Diagonal leads | 
                                                                    
                                        | QP50-6-18U-SD2 | First Sensor | 56 | Optical Sensor Development Tools 50mm2 quadrant detector module | 
                                                                    
                                        | QP50-6-18U-SD2 | First Sensor | 56 | Optical Sensor Development Tools 50mm2 quadrant detector module | 
                                                                    
                                        | QP50-6-18U-SM | First Sensor | 1 | Photodiodes Quadrant 7.8mm Dia Area with 18Um Gaps | 
                                                                    
                                        | QP50-6-18U-SM | First Sensor | 1 | Photodiodes Quadrant 7.8mm Dia Area with 18Um Gaps | 
                                                                    
                                        | QP50-6-18U-TO8 | First Sensor | 124 | Photodiodes Quadrant 7.98 Area w/0.018mm Gap | 
                                                                    
                                        | QP50-6-18U-TO8 | First Sensor | 124 | Photodiodes Quadrant 7.98 Area w/0.018mm Gap | 
                                                                    
                                        | QP50-6-SM | First Sensor | 10 | Photodiodes Quadrant 7.8mm Dia Area with 42um Gaps | 
                                                                    
                                        | QP50-6-SM | First Sensor | 10 | Photodiodes Quadrant 7.8mm Dia Area with 42um Gaps | 
                                                                    
                                        | QP50-6-TO8 | First Sensor | 215 | Photodiodes Quadrant 4 X 11.78mm 7.8mm Active Area |