| Part | Description |
| 555-2001 | 2mm LED CBI Circuit Board Indicator Single |
| 555-2002 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-2004 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-2005 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-2006 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-2007 | 2mm LED CBI Circuit Board Indicator Single |
| 555-2303 | 2mm LED CBI Circuit Board Indicator Single |
| 555-2401 | 2mm LED CBI Circuit Board Indicator Single |
| 555-2403 | 2mm LED CBI Circuit Board Indicator Single |
| 555-2XXX | 2mm LED CBI Circuit Board Indicator Single |
| 555-3002 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-3003 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3004 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-3005 | LED Lamps, Panel Mnt/PC Mnt/Stackable |
| 555-3006 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3007 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3009 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3301 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3401 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3403 | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-3XXX | 2mm LED CBI Circuit Board Indicator Single, Top View |
| 555-4001 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4003 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4004 | Photoemitter Array |
| 555-4007 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4009 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4301 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4303 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4401 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-4403 | 2mm LED CBI Circuit Board Indicator Quad |
| 555-5003 | 2mm LED CBI Circuit Board Indicator Quad, Top View |
| 555-5004 | Photoemitter Array |
| 555-5301 | 2mm LED CBI Circuit Board Indicator Quad, Top View |
| 555-5303 | 2mm LED CBI Circuit Board Indicator Quad, Top View |
| 555-5401 | 2mm LED CBI Circuit Board Indicator Quad, Top View |
| 555-5XXX | 2mm LED CBI Circuit Board Indicator Quad, Top View |
| Part | Description |
| DMMT5551 | MATCHED NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| DMMT5551-7 | MATCHED NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| DMMT5551S | MATCHED NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| DMMT5551S-7 | MATCHED NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| DXT5551P5 | 160V NPN HIGH VOLTAGE TRANSISTOR PowerDI??5 |
| MMBT5551_1 | NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| MMBT5551 | 180V; 200mA NPN small signal surface mount transistor. Ideal for medium power application and switching |
| MMBT5551-7 | NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| MMDT5551_1 | DUAL NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| MMDT5551 | 180V; 200mA dual NPN small signal surface mount transistor. Ideal for medium power amplification and switching |
| MMDT5551-7-F | DUAL NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| MMST5551_1 | NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
| MMST5551 | 180V; 200mA NPN small signal surface mount transistor. Ideal for medium power amplification and switching |
| MMST5551-7-F | NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |