| OPR2100 | 
                                        TT Electronics/Optek Technology | 
                                        170 | 
                                        PHOTODIODE ARRAY 6-ELEMENT SMD | 
                                    
                                                                    
                                        | OPR2100HS | 
                                        TT Electronics/Optek Technology | 
                                        0 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2100HST | 
                                        TT Electronics/Optek Technology | 
                                        0 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2100HST | 
                                        TT Electronics/Optek Technology | 
                                        230 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2100HST | 
                                        TT Electronics/Optek Technology | 
                                        230 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2100T | 
                                        TT Electronics/Optek Technology | 
                                        0 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2100T | 
                                        TT Electronics/Optek Technology | 
                                        138 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2100T | 
                                        TT Electronics/Optek Technology | 
                                        138 | 
                                        PHOTODIODE ARRAY 6ELEMENT SMCC | 
                                    
                                                                    
                                        | OPR2800 | 
                                        TT Electronics/Optek Technology | 
                                        0 | 
                                        EMITTER IR 880NM 50MA SMD | 
                                    
                                                                    
                                        | OPR2800T | 
                                        TT Electronics/Optek Technology | 
                                        0 | 
                                        EMITTER IR 875NM 50MA SMD | 
                                    
                                                                    
                                        | OPR2800T | 
                                        TT Electronics/Optek Technology | 
                                        1,293 | 
                                        EMITTER IR 875NM 50MA SMD | 
                                    
                                                                    
                                        | OPR2800T | 
                                        TT Electronics/Optek Technology | 
                                        1,293 | 
                                        EMITTER IR 875NM 50MA SMD | 
                                    
                                                                    
                                        | OPR2800V | 
                                        TT Electronics/Optek Technology | 
                                        0 | 
                                        EMITTER IR 850NM 20MA SMD |