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| Part Number | RWR80S4990FRB12 | RWR80S4990FSB12 | RWR80S4990BRB12 | RWR80S4990FPB12 |
|---|---|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale | Vishay Dale | Vishay Dale |
| Product Status | Active | Active | Active | Active |
| Resistance | 499 Ohms | 499 Ohms | 499 Ohms | 499 Ohms |
| Tolerance | ±1% | ±1% | ±0.1% | ±1% |
| Power (Watts) | 2W | 2W | 2W | 2W |
| Composition | Wirewound | Wirewound | Wirewound | Wirewound |
| Features | Military, Moisture Resistant | Military, Moisture Resistant | Military, Moisture Resistant | Military, Moisture Resistant |
| Temperature Coefficient | ±20ppm/°C | ±20ppm/°C | ±20ppm/°C | ±20ppm/°C |
| Operating Temperature | -55°C ~ 250°C | -55°C ~ 250°C | -55°C ~ 250°C | -55°C ~ 250°C |
| Package / Case | Axial | Axial | Axial | Axial |
| Supplier Device Package | Axial | Axial | Axial | Axial |
| Size / Dimension | 0.094" Dia x 0.406" L (2.39mm x 10.31mm) | 0.094" Dia x 0.406" L (2.39mm x 10.31mm) | 0.094" Dia x 0.406" L (2.39mm x 10.31mm) | 0.094" Dia x 0.406" L (2.39mm x 10.31mm) |
| Height - Seated (Max) | - | - | - | - |
| Number of Terminations | 2 | 2 | 2 | 2 |
| Failure Rate | R (0.01%) | S (0.001%) | R (0.01%) | P (0.1%) |
