| VO2223A | 
                            Vishay Semiconductor Opto Division | 
                            OPTOISOLTR 5.3KV PWR TRIAC 8DIP | 
                            8-DIP (0.300", 7.62mm), 7 Leads | 
                            14,472 | 
                          
                                                    
                            | S2S3RY0F | 
                            Sharp Microelectronics | 
                            OPTOISOLATOR 3.75KV TRIAC 4SMD | 
                            4-SMD | 
                            6,894 | 
                          
                                                    
                            | H11C4M | 
                            Central Semiconductor Corp | 
                            OPTOISOLATOR 5KV SCR 6DIP | 
                            6-DIP (0.300", 7.62mm) | 
                            2,142 | 
                          
                                                    
                            | PC3SD21YXPDF | 
                            Sharp Microelectronics | 
                            OPTOISOLATOR 5KV TRIAC 6SMD | 
                            6-SMD | 
                            5,760 | 
                          
                                                    
                            | PC4SF11YVZBF | 
                            Sharp Microelectronics | 
                            OPTOISOLATOR 5KV TRIAC 6DIP | 
                            6-DIP (0.300", 7.62mm), 5 Leads | 
                            1,064,640 | 
                          
                                                    
                            | FODM3023R3 | 
                            Fairchild/ON Semiconductor | 
                            OPTOISOLATOR 3.75KV TRIAC 4MFP | 
                            4-SMD, Gull Wing | 
                            7,578 | 
                          
                                                    
                            | MOC3033TVM | 
                            Fairchild/ON Semiconductor | 
                            OPTOISOLATOR 4.17KV TRIAC 6DIP | 
                            6-DIP (0.400", 10.16mm) | 
                            4,266 | 
                          
                                                    
                            | MOC3021FM | 
                            Fairchild/ON Semiconductor | 
                            OPTOISOLATOR 7.5KV TRIAC 6SMD | 
                            6-SMD, Gull Wing | 
                            3,024 | 
                          
                                                    
                            | H11C4300W | 
                            Fairchild/ON Semiconductor | 
                            OPTOISOLATOR 5.3KV SCR 6DIP | 
                            6-DIP (0.400", 10.16mm) | 
                            5,832 | 
                          
                                                    
                            | H11C3SD | 
                            Fairchild/ON Semiconductor | 
                            OPTOISOLATOR 5.3KV SCR 6SMD | 
                            6-SMD, Gull Wing | 
                            36,000 |