| UDN2543 | ALLP | 10,000 | Integrated Circuit | 
                                                                    
                                        | UDN2543B | all | 30,000 | Integrated Circuit | 
                                                                    
                                        | UDN2544B | ALLP | 10,000 | Integrated Circuit | 
                                                                    
                                        | UDN2547EB | ALLE | 60,000 | Integrated Circuit | 
                                                                    
                                        | UDN2559B | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 16DIP | 
                                                                    
                                        | UDN2559B | all | 30,000 | Integrated Circuit | 
                                                                    
                                        | UDN2559B-T | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 16DIP | 
                                                                    
                                        | UDN2559BT | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 16DIP | 
                                                                    
                                        | UDN2559EB | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 28PLCC | 
                                                                    
                                        | UDN2559EBTR | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 28PLCC | 
                                                                    
                                        | UDN2559EBTR-T | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 28PLCC | 
                                                                    
                                        | UDN2559EBTR-T | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 28PLCC | 
                                                                    
                                        | UDN2559EBTR-T | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 28PLCC | 
                                                                    
                                        | UDN2559LBTR-T | Allegro MicroSystems | 5,000 | IC PWR DRIVER BIPOLAR 1:1 16SOIC | 
                                                                    
                                        | UDN2580A | ALLEGRO | 30,000 | Integrated Circuit |