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| PartNumber | F55J40R | F55J400 | F55J400E |
| Description | Wirewound Resistors - Chassis Mount 55watt 40ohm 5% High Power | Wirewound Resistors - Chassis Mount 55watt 400ohm 5% Stackohm | Wirewound Resistors - Chassis Mount 55watt 400ohm 5% Stackohm |
| Manufacturer | Ohmite | Ohmite | Ohmite |
| Product Category | Wirewound Resistors - Chassis Mount | Chassis Mount Resistors | Chassis Mount Resistors |
| RoHS | N | - | - |
| Series | 250 | StackohmR 250 | StackohmR 250 |
| Resistance | 40 Ohms | - | - |
| Power Rating | 55 W | - | - |
| Tolerance | 5 % | ±5% | ±5% |
| Temperature Coefficient | 260 PPM / C | ±260ppm/°C | ±260ppm/°C |
| Voltage Rating | 1.405 kV | - | - |
| Minimum Operating Temperature | + 25 C | - | - |
| Maximum Operating Temperature | + 350 C | - | - |
| Length | 88.9 mm | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Diameter | 25.4 mm | - | - |
| Features | Tubular Resistors | - | - |
| Operating Temperature Range | + 25 C to + 350 C | - | - |
| Technology | Wirewound | - | - |
| Termination Style | Solder Lug | - | - |
| Brand | Ohmite | - | - |
| Mounting Style | Chassis Mount | - | - |
| Product Type | Wirewound Resistors | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Resistors | - | - |
| Tradename | Stockohm | - | - |
| Height | - | 0.563" (14.29mm) | 0.563" (14.29mm) |
| Package Case | - | Radial, Flat Oval | Radial, Flat Oval |
| Operating Temperature | - | -55°C ~ 350°C | -55°C ~ 350°C |
| Size Dimension | - | 3.500" L x 1.000" W (88.90mm x 25.40mm) | 3.500" L x 1.000" W (88.90mm x 25.40mm) |
| Power Watts | - | 55W | 55W |
| Resistance Ohms | - | 400 | 400 |
| Composition | - | Wirewound | Wirewound |
| Coating Housing Type | - | Vitreous Enamel Coated | Vitreous Enamel Coated |
| Mounting Feature | - | Flange Braces, Right Angle | Flange Braces, Right Angle |
| Lead Style | - | Solder Lugs | Solder Lugs |
| Failure Rate | - | - | - |