| 1990 | Pololu Corporation | 62 | 2X18POS 5PK 2.54MM CONN HOUSING | 
                                                                    
                                        | 1990-2 | Keystone Electronics | 5,000 | CONN PC PIN CIRC 0.018DIA GOLD | 
                                                                    
                                        | 1990009 | Phoenix Contact | 550 | TERM BLOCK 2POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990012 | Phoenix Contact | 5,000 | TERM BLOCK 3POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990022422S000 | Advantech | 5,000 | FIXED RAIL YJC-64C FOR UBC-DS31 | 
                                                                    
                                        | 1990022423S000 | Advantech | 5,000 | FIX RING FWM-8K FOR UBC-DS31 | 
                                                                    
                                        | 1990025 | Phoenix Contact | 15,801 | TERM BLOCK 4POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990038 | Phoenix Contact | 855 | TERM BLOCK 5POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990041 | Phoenix Contact | 147 | TERM BLOCK 6POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990054 | Phoenix Contact | 549 | TERM BLOCK 7POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990067 | Phoenix Contact | 266 | TERM BLOCK 8POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990070 | Phoenix Contact | 560 | TERM BLOCK 9POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990083 | Phoenix Contact | 46 | TERM BLOCK 10POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990096 | Phoenix Contact | 5,000 | TERM BLOCK 11POS 45DEG 2.5MM PCB | 
                                                                    
                                        | 1990106 | Phoenix Contact | 164 | TERM BLOCK 12POS 45DEG 2.5MM PCB |