| OPI110 | 
                                        TT Electronics / Optek Technology | 
                                        236 | 
                                        OPTOISOLATOR 10KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI110A | 
                                        TT Electronics / Optek Technology | 
                                        422 | 
                                        OPTOISOLATOR 10KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI110B | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISOLATOR 10KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI110C | 
                                        TT Electronics / Optek Technology | 
                                        217 | 
                                        OPTOISOLATOR 10KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI120 | 
                                        TT Electronics / Optek Technology | 
                                        122 | 
                                        OPTOISO 15KV TRANS W/BASE AXIAL | 
                                    
                                                                    
                                        | OPI120-032 | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISOLATOR TRANS | 
                                    
                                                                    
                                        | OPI120TX | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISOLATOR 15KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI120TXV | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISOLATOR 15KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI123 | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISOLTR 15KV DARLINGTON AXIAL | 
                                    
                                                                    
                                        | OPI125 | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISO 15KV PUSH PULL | 
                                    
                                                                    
                                        | OPI125TX | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISO 15KV PUSH PULL | 
                                    
                                                                    
                                        | OPI125TXV | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISO 15KV PUSH PULL | 
                                    
                                                                    
                                        | OPI126 | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISO 15KV OPEN COLLECTOR | 
                                    
                                                                    
                                        | OPI1264 | 
                                        TT Electronics / Optek Technology | 
                                        5,000 | 
                                        OPTOISOLATOR 10KV TRANS AXIAL | 
                                    
                                                                    
                                        | OPI1264A | 
                                        TT Electronics / Optek Technology | 
                                        586 | 
                                        OPTOISOLATOR 10KV TRANS AXIAL |