| OPB971N55 | 
                            TT Electronics/Optek Technology | 
                            SWITCH SLOTTED OPT W/WIRE LEADS | 
                            PCB Mount | 
                            4,788 | 
                          
                                                    
                            | OPB982T11 | 
                            TT Electronics/Optek Technology | 
                            SWITCH SLOTTED OPT W/WIRE LEADS | 
                            Module, Pre-Wired | 
                            6,084 | 
                          
                                                    
                            | OPB983P11 | 
                            TT Electronics/Optek Technology | 
                            SWITCH SLOTTED OPT W/WIRE LEADS | 
                            Module, Pre-Wired | 
                            5,094 | 
                          
                                                    
                            | OPB990L11 | 
                            TT Electronics/Optek Technology | 
                            SWITCH SLOTTED OPT W/WIRE LEADS | 
                            Module, Pre-Wired | 
                            6,678 | 
                          
                                                    
                            | OPB992L11Z | 
                            TT Electronics/Optek Technology | 
                            SWITCH SLOTTED OPT W/WIRE LEADS | 
                            Module, Pre-Wired | 
                            7,326 | 
                          
                                                    
                            | OPB992N51Z | 
                            TT Electronics/Optek Technology | 
                            SWITCH SLOTTED OPT W/WIRE LEADS | 
                            Module, Pre-Wired | 
                            8,118 | 
                          
                                                    
                            | HOA6994-T55 | 
                            Honeywell Sensing and Productivity Solutions | 
                            SENSOR TRANS OPAQUE OPTOSCHMITT | 
                            Module, Pre-Wired | 
                            7,920 | 
                          
                                                    
                            | SF4-AH16-H | 
                            Panasonic Industrial Automation Sales | 
                            SENSOR 16CH 20MM P-P PNP | 
                            Module, Pre-Wired | 
                            6,642 | 
                          
                                                    
                            | OPB941W51Z | 
                            TT Electronics/Optek Technology | 
                            SWITCH PHOTOLOGIC SLOTTD OPTICAL | 
                            Module, Pre-Wired | 
                            17,442 | 
                          
                                                    
                            | PM-T65 | 
                            Panasonic Industrial Automation Sales | 
                            SENSOR SLOT NPN | 
                            Module, Connector, Slot Type | 
                            7,404 |