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| PartNumber | RUSB250 | RUSB250-1 | RUSB250-2 |
| Description | Resettable Fuses - PPTC Radial Lead 2.5A 16V 40A Imax | Resettable Fuses - PPTC Radial Lead 2.5A 16V 40A Imax | |
| Manufacturer | Littelfuse | - | - |
| Product Category | Resettable Fuses - PPTC | - | - |
| RoHS | N | - | - |
| Series | RUSB | - | - |
| Mounting Style | Through Hole | - | - |
| Termination Style | Radial | - | - |
| Hold Current | 2.5 A | - | - |
| Maximum Voltage | 16 V | - | - |
| Trip Current | 5 A | - | - |
| Current Rating Max | 40 A | - | - |
| Resistance | 60 mOhms | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | - | - |
| Height | 18.3 mm | - | - |
| Length | 11.4 mm | - | - |
| Type | PolySwitch Resettable Fuses | - | - |
| Brand | Littelfuse | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | Polyfuse | - | - |
| Part # Aliases | 865395-000 | - | - |