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| PartNumber | H4549KBDA | H4549KBCA | H4549KBZA |
| Description | Metal Film Resistors - Through Hole H4 549K 0.1% 25PPM | Metal Film Resistors - Through Hole H4 549K 0.1% 50PPM | Metal Film Resistors - Through Hole H4 549K 0.1% 100PPM |
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Product Category | Through Hole Resistors | Through Hole Resistors | Through Hole Resistors |
| Series | Holco, Holsworthy | Holco, Holsworthy | Holco, Holsworthy |
| Packaging | Bulk | Bulk | Bulk |
| Height | - | - | - |
| Package Case | Axial | Axial | Axial |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Features | Pulse Withstanding | Pulse Withstanding | Pulse Withstanding |
| Size Dimension | 0.146" Dia x 0.394" L (3.70mm x 10.00mm) | 0.146" Dia x 0.394" L (3.70mm x 10.00mm) | 0.146" Dia x 0.394" L (3.70mm x 10.00mm) |
| Supplier Device Package | Axial | Axial | Axial |
| Power Watts | 0.5W, 1/2W | 0.5W, 1/2W | 0.5W, 1/2W |
| Resistance Ohms | 549k | 549k | 549k |
| Tolerance | ±0.1% | ±0.1% | ±0.1% |
| Number of Terminations | 2 | 2 | 2 |
| Temperature Coefficient | ±25ppm/°C | ±50ppm/°C | ±100ppm/°C |
| Composition | Metal Film | Metal Film | Metal Film |
| Failure Rate | - | - | - |