| OPB100-EZ | TT Electronics/Optek Technology | SENSR OPTO TRANSISTOR 304.8MM SNAP-IN | 
                                                                            
                                            | OPB100-SZ | TT Electronics/Optek Technology | SENSR OPTO TRANSISTOR 304.8MM SNAP-IN | 
                                                                            
                                            | OPB100Z | TT Electronics/Optek Technology | SENSR OPTO TRANSISTOR 304.8MM SNAP-IN | 
                                                                            
                                            | OPB120A | TT Electronics/Optek Technology | SWITCH SLOTTD OPTICAL PHOTOLOGIC | 
                                                                            
                                            | OPB120B | TT Electronics/Optek Technology | SWITCH SLOTTD OPTICAL PHOTOLOGIC | 
                                                                            
                                            | OPB121A | TT Electronics/Optek Technology | SWITCH SLOTTD OPTICAL PHOTOLOGIC | 
                                                                            
                                            | OPB121B | TT Electronics/Optek Technology | SWITCH SLOTTD OPTICAL PHOTOLOGIC | 
                                                                            
                                            | OPB122A | TT Electronics/Optek Technology | SWITCH SLOTTD OPTICAL PHOTOLOGIC | 
                                                                            
                                            | OPB122B | TT Electronics/Optek Technology | SWITCH SLOTTED OPTIC PHOTOLOGIC | 
                                                                            
                                            | OPB123A | TT Electronics/Optek Technology | SWITCH SLOTTED OPTIC PHOTOLOGIC | 
                                                                            
                                            | OPB123B | TT Electronics/Optek Technology | SWITCH SLOTTED OPTIC PHOTOLOGIC | 
                                                                            
                                            | OPB12801 | TT Electronics/Optek Technology | OPB733TR ON BOARD W/SMD COMP |