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| Part Number | RWR81S4R99FPB12 | RWR81S4R99FRB12 | RWR81S4R99FSB12 | RWR81S4R99DPB12 | RWR81S4R99FMB12 |
|---|---|---|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale | Vishay Dale | Vishay Dale | Vishay Dale |
| Product Status | Active | Active | Active | Active | Active |
| Resistance | 4.99 Ohms | 4.99 Ohms | 4.99 Ohms | 4.99 Ohms | 4.99 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±0.5% | ±1% |
| Power (Watts) | 1W | 1W | 1W | 1W | 1W |
| Composition | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound |
| Features | Military, Moisture Resistant | Military, Moisture Resistant | Military, Moisture Resistant | Military, Moisture Resistant | Military, Moisture Resistant |
| Temperature Coefficient | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C |
| Operating Temperature | -55°C ~ 250°C | -55°C ~ 250°C | -55°C ~ 250°C | -55°C ~ 250°C | -55°C ~ 250°C |
| Package / Case | Axial | Axial | Axial | Axial | Axial |
| Supplier Device Package | Axial | Axial | Axial | Axial | Axial |
| Size / Dimension | 0.085" Dia x 0.250" L (2.16mm x 6.35mm) | 0.085" Dia x 0.250" L (2.16mm x 6.35mm) | 0.085" Dia x 0.250" L (2.16mm x 6.35mm) | 0.085" Dia x 0.250" L (2.16mm x 6.35mm) | 0.085" Dia x 0.250" L (2.16mm x 6.35mm) |
| Height - Seated (Max) | - | - | - | - | - |
| Number of Terminations | 2 | 2 | 2 | 2 | 2 |
| Failure Rate | P (0.1%) | R (0.01%) | S (0.001%) | P (0.1%) | M (1%) |
