| Part Number | RWR78S4R42FRRSL | RWR78S4R42FSRSL | 
|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale | 
| Category | Through Hole Resistors | Through Hole Resistors | 
|   |   | |
| Product Status | Active | Active | 
| Resistance | 4.42 Ohms | 4.42 Ohms | 
| Tolerance | ±1% | ±1% | 
| Power (Watts) | 10W | 10W | 
| Composition | Wirewound | Wirewound | 
| Features | Military, Moisture Resistant | Military, Moisture Resistant | 
| Temperature Coefficient | ±50ppm/°C | ±50ppm/°C | 
| Operating Temperature | -55°C ~ 250°C | -55°C ~ 250°C | 
| Package / Case | Axial | Axial | 
| Supplier Device Package | Axial | Axial | 
| Size / Dimension | 0.375" Dia x 1.780" L (9.53mm x 45.21mm) | 0.375" Dia x 1.780" L (9.53mm x 45.21mm) | 
| Height - Seated (Max) | - | - | 
| Number of Terminations | 2 | 2 | 
| Failure Rate | R (0.01%) | S (0.001%) |