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| PartNumber | RUEF400K | RUEF400K-2 | RUEF400K-0.138 |
| Description | Resettable Fuses - PPTC 4A 30V 40A Imax | Resettable Fuses - PPTC 4A 30V 100A Imax | Resettable Fuses - PPTC 4A 30V 40A Imax |
| Manufacturer | Littelfuse | - | - |
| Product Category | Resettable Fuses - PPTC | - | - |
| RoHS | Y | - | - |
| Series | RUEF | - | - |
| Mounting Style | Through Hole | - | - |
| Termination Style | Radial | - | - |
| Hold Current | 4 A | - | - |
| Maximum Voltage | 30 V | - | - |
| Trip Current | 8 A | - | - |
| Current Rating Max | 100 A | - | - |
| Resistance | 50 mOhms | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | - | - |
| Height | 19.3 mm | - | - |
| Length | 14 mm | - | - |
| Type | PolySwitch Resettable Fuses | - | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 2.68 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | A98495-000 RF2725-000 | - | - |